Ghana’s Plastic manufacturer Miniplast will buy electricity from a 704 kW grid-connected solar array owned and operated by Norwegian  renewable energy developer Empower New Energy AS.

Norway-based Empower New Energy has secured one of Africa’s first power purchase agreements (PPAs) for the supply of solar electricity.

Empower, which has a focus on  renewable energy project deployment in sub-Saharan Africa, said Ghanaian plastic manufacturer Miniplast Limited has agreed to buy electricity from a 704 kW rooftop solar array to be installed on its manufacturing and recycling facility in Accra, in the Ghanaian capital.

The plant will be installed and operated by Stella Futura Ltd under a power sales agreement signed between the three partners,” Empower New Energy said. “The investment will be made through a local project company majority owned by Empower Invest, the impact investment fund managed by Empower New Energy.” Stella Futura will act as EPC contractor for the project.

Terms

The financial terms of the PPA were not revealed.

The rooftop installation is slated to become operational in July.

bilateral solar PPA in Africa was signed in January 2019 between Egyptian solar company SolarizEgypt and the Arabian Cement Company.

Renewable Energy :Ghana’s first bilateral solar PPA to be set up on factory rooftops of Miniplast in Spintex Industrial Area of Accra city, the 704 kW system is planned to be grid connected by July 2020. It will help the manufacturer reduce its consumption of diesel to power its factories while bringing down its electricity costs.

“We’re excited to install one of the largest industrial and commercial solar PV systems in Ghana,” said Nadim Ghanem-Pares, Deputy Managing Director of Miniplast Limited. “Furthermore, this will be a flagship project to promote the use of renewable energy within the Spintex Industrial enclave of Accra.” Empower Invest’s Empower New Energy (EmNEW) is funded by Norway’s development fund for emerging markets Norfund, and European Union’s first electrification financing initiative, Electrify, among others.

Ghana is increasing efforts to raise the share of renewables in its electricity mixUnder its energy strategy, the nation wants 2.5 GW of renewable energy generation capacity – probably including hydroelectric – by 2030. Ghana had just 64 MW of solar capacity at the end of 2018, according to International Renewable Energy Agency statistics.

Credit

This article was originally written by Emiliano Bellini.He joined pv magazine in March 2017. He has been reporting on solar and renewable energy since 2009.

A solar-powered  farm in Mali, West Africa, is stretching the boundaries of what’s possible. In a landlocked country well-known for producing Cotton, Rice Millet and Corn, the Complex Agro Industrial de Baragnouma produce fish – at a rate of 5 tons a day.All powered by Victron Energy and Fronius…

In order to maintain conditions in which the fish can thrive water has to be continually filtered and oxygenated. Water treatment takes a lot of power – at the Baragnouma complex that power is provided by solar energy from Fronius and victron.

It seems fatuous to say that the reliability of their remote power plant is paramount …but if the power were to fail for just 30 minutes, the fish would die.

It was decided at the outset, in 2014, that the farm would incorporate solar energy power provision to the greatest possible extent – though few could have foreseen the scale of its success. Ninety-eight per cent of the power requirement is met by solar energy, back-up generators providing the other two percent.

victron Energy & fronius: solar -powered agriclture in Mali

DCIM100MEDIADJI_0032.JPG

In fact there are seven off grid solar-powered electrical installations at the Complex Agro Industrial de Baragnouma which provide inexpensive sustainable energy not only for their pisciculture but also for: Chicken, Dairy, Fruit and Vegetables; a factory which produces animal feed; workers houses; and two small offices.

Fortunately sunshine is very dependable in Djoliba which is 40km from Mali’s capital, Bamako. Their investment over 6 years has exceeded a million dollars – yet these investments are lower than the cost of the diesel which would otherwise have been used. And the solar installations save more than 400 tons of CO2 emissions annually.

The carefully orchestrated infrastructure includes a Fish nursery for 20,000 Alvins per cycle of production, which are reared in 8 ponds. There are a further 14 ponds each of 1000m² for the specie Clariidae. Thirteen much larger ponds provide the habitat for rearing Tilapia. There is a recycled water requirement of 14,570 cubic metres per day with pumps working at up to 180 cubic metres per day; and top-up pumped from boreholes.

victron Energy & fronius: solar -powered agriclture in Mali

The seven Off-Grid Systems have a total capacity of 520kW.  Generating a similar amount of energy using diesel would cost around $260,000 a year …add to that the cost of maintenance, transport for fuel, and depreciation of the generators and it’s easy to see how the cost savings, and power security make the solar option so desirable. And the farm operates silently – which is a bonus for the 100 or so employees who are all fully engaged with the project.

The installation was carried out by Sonikara Solar Electro – overseen by company CEO and Founder Mouctar Doucoure. Working with the support of Victron staff, it is a ringing endorsement of the technological ability of Sonikara that they have been awarded the maintenance contract to oversee this huge installation for the next five years – monitoring and maintaining the system so that it runs without missing a beat.

victron Energy & fronius: solar -powered agriclture in Mali

Anco van Bergeijk (support engineer for Victron in Africa) Mouctar Doucoure (CEO and founder of Sonikara Solar)

The Biggest standalone Victron/Fronius installation provides 3-phase power to the fish and chicken food factory – which can be seen in the video below. It employs:

In 2018 a dairy was added, together with a food processing factory. Last year saw the construction of some impressive looking greenhouses for vegetable production. As each success is chalked up so more new ideas are tried the owner has ever greater plans for the future of this diverse farming model.

The latest installation powers the greenhouses, and provides water treatment and pumping, together with a heat regulation system. It employs:

victron Energy & fronius: solar -powered agriclture in Mali

Other installations in this large farm complex provide:

    • 5kVA for the Egg incubators (poultry)
    • 10kVA for the Poultry farm
    • 60kVA for the Fish nursery and lab
    • 10kVA for the Offices and Conference suite
    • 10kVA Further offices
    • 3kVA for Employees houses
    • 3kVA for the Cattle farm

Victron products have a broad range of compatibility with third-party manufactured equipment. Fronius inverters and BYD’s Iron Phosphate chemistry batteries – chosen here for their scalability, and their ability to operate in temperatures of up to 55°C – all work seamlessly with Victron Solar Charge controllers, Inverters, and with our data-comms controller the Color Control GX (CCGX).

Using Victron’s Remote Management platform (VRM), the CCGX provides at-a-glance remote monitoring and management so that the Sonikara team can perform interventions whenever required, from their own offices.

Victron provides training and support in West Africa (and indeed all over the world) to ensure that the skills are available for projects of this scale to be built, and offers continued training to equip solar engineers with the necessary expertise.

victron Energy & fronius: solar -powered agriclture in Mali

The positive social and economic advantages are substantial and far-reaching. The farm provides fresh fish, chicken, milk and vegetables to the national and local market of Mali, Bamako.  In addition to the farm’s 100 employees, it provides work for local traders, and trickle-down benefits for other commercial operators.

Mouctar Doucoure said: The challenges of an off-grid electrical project of this size is to constantly adapt to growth, and to educate all involved. We accomplished this by creating local expertise and by expanding the systems step-by-step. The quality of wiring installations, batteries, and the system design was tested after each phase. Also; all the systems can be constantly monitored online.

Let’s take a look at the site through this informative video. It’s interesting to hear a word or two about how the video was made. Seizing the opportunity to provide experience for some Video School graduates in Mali, it was decided to commission them to film and produce the promotional video below.

Much was learned and the result by Israel Oron and his colleagues – former students from Conservatoire des arts of Bamako – is excellent:

 

The ‘win-win’ success of this project which creates useful employment; increases education; produces healthy food in a noise and pollution-free environment; as well as reducing costs and reduces carbon emissions – is that it becomes a beacon showing the way ahead …demonstrating how technology can be harnessed for the future benefit of local communities.

 

All images: Photos/Film: B-Twien Clicks | Film & Photo or Ewien van Bergeijk – Kwant.


Panasonic has achieved the world’s highest energy conversion efficiency of 16.09% for a perovskite solar module (aperture area 802 cm2: 30-cm x 30-cm x 2-mm thick) by developing lightweight technology using a glass substrate and a large-area coating method based on inkjet printing. This was carried out as part of the project of the New Energy and Industrial Technology Development Organization (NEDO), which is working on the “Development of Technologies to Reduce Power Generation Costs for High-Performance and High-Reliability Photovoltaic Power Generation” to promote the widespread adoption of solar power generation.

This inkjet-based coating method that can cover a large area reduces manufacturing costs of modules. In addition, this large-area, lightweight, and high-conversion efficiency module allows for generating solar power highly efficiently at locations where conventional solar panels were difficult to install, such as façades.

Going forward, NEDO and Panasonic continue to improve perovskite layer materials, aiming to achieve high efficiency comparable to that of crystalline silicon solar cells and establish technologies for practical application in new markets.

By focusing on the inkjet coating method that enables the raw material to be coated precisely and uniformly, Panasonic applied that technology to each layer of the solar cell including perovskite layer on glass substrate and realized high power conversion efficiency for a large-area module.

About Panasonic
Panasonic Corporation is a worldwide leader in the development of diverse electronics technologies and solutions for customers in the consumer electronics, housing, automotive, and B2B businesses. The company, which celebrated its 100th anniversary in 2018, has expanded globally and now operates 582 subsidiaries and 87 associated companies worldwide, recording consolidated net sales of 8.003 trillion yen for the year ended March 31, 2019. Committed to pursuing new value through innovation across divisional lines, the company uses its technologies to create a better life and a better world for its customers. To learn more about Panasonic: https://www.panasonic.com/global.

About NEDO:
NEDO (New Energy and Industrial Technology Development Organization) plays an important role in Japan’s economic and industrialization policies through its funding of technology development activities. NEDO also acts as an innovation accelerator to realize its two basic missions of addressing energy and global environmental problems and enhancing industrial technology.
To learn more about NEDO: https://www.nedo.go.jp/english/introducing_index.html

Source: https://news.panasonic.com/global/press/data/2020/02/en200207-2/en200207-2.html

Related Links
New Energy and Industrial Technology Development Organization (NEDO)
https://www.nedo.go.jp/english/

Panasonic R&D Overview
https://www.panasonic.com/global/corporate/technology-design/r-and-d.html

 


The new Cerbo GX, along with the optional GX Touch 50 display, were announced and demonstrated at METS, November 2019. GX products are Victron Energy state-of-the-art monitoring solution. The family consists of the different GX products, and their accessories.

The GX-device lies at the heart of the system – providing monitoring, and operating as the communication-centre of your installation. All the other system-components – such as inverter/chargers, solar chargers, and batteries – are connected to it. Monitoring can be carried out locally and remotely – via our free-to-use Victron Remote Management portal (VRM). The GX-device also provides Remote firmware updates and allows inverter/charger settings to be changed remotely.

Personally I’m a great fan of GX devices, the Color Control GX, Venus GX and more – all being a part of the Victron GX product range.

Detailed introductory blogpost by Panbo

However, my 6 years personal experience is with the Color Control GX model – so I’d be doing you the reader a disservice by reviewing the Cerbo GX. Also, as I blog for Victron, I admit to a natural and faithful bias. It seems only right and proper then to let an independent reviewer give you their take on this exciting new product. What I can say though – is that going by the review on Panbo, the product will be in great demand.

For a detailed introduction, I recommend reading the Panbo blog post by Ben Ellison:

Victron Cerbo GX, good AC/DC power monitoring gets better.

Introductory video

GX Touch 50 display

The GX Touch 50 is the optional display for the Cerbo GX. Its water proof, thin, and easy to mount. There is a cable coming out on the back with two plugs on it: the HDMI goes into the HDMI port on the Cerbo, and the USB (used to power the display) goes into one of the USB sockets. For all details, including dimensions and the manual, see the GX Touch 50 product page.

Optional DIN rail adapter

The optional DIN rail adapters are to easily mount the Cerbo GX on a DIN-Rail. Dimensions and details are available on its page on our website.

Conclusion

When you consider just how far GX devices have come in the last 6 years (just take a look back to 2014), then the Cerbo GX is to my mind the ultimate GX turbo charged device for connectivity.

Learn more at the Cerbo GX product page.


Tesla model 3 cars,now made in China.Tesla has delivered its first cars made in China, marking a major milestone for the electric vehicle maker.

Fifteen Tesla Model 3 cars were handed over at the company’s so-called “Gigafactory” near Shanghai.

It comes as Elon Musk’s company aims to secure a significant slice of the world’s biggest car market.

Tesla’s move into the country comes as the trade war has forced other American companies to shift production out of China.

During a ceremony at the company’s multi-billion dollar plant in Shanghai, 15 of its employees received cars they had purchased.

The event means deliveries of cars have started a little over a year after construction of the factory got underway.

http://https://www.youtube.com/watch?v=olUBAIvoLpo

California-based Tesla said that it wanted to start handing over vehicles before the Lunar New Year beginning on 25 January, and now plans to scale up deliveries from the start of 2020.

The Chinese-made Model 3, priced at $50,000 (£38,000) before subsidies, will compete with local electric car makers, including NIO and Xpeng Motors, as well as global brands such as BMW and Mercedes-Benz.

US technology giants Apple, Google, HP, and Dell have all reportedly started the process of moving production from China to other Asian countries.

That’s as US tariffs on Chinese-made goods make them more expensive when they are imported into America, or companies have to absorb the cost themselves.

It also comes after intense pressure from US President Donald Trump for American companies to bring back manufacturing to the US. In August Mr Trump issued a demand for all US firms to move production out of China.

However, Tesla doesn’t plan to export the cars it makes in China to the US, where they would be hit with tariffs. Instead it wants to sell these Tesla Model 3 cars in China itself.

Previously Tesla was exporting all of the cars it sold in China from the US, which meant they were hit with tariffs in China.

The company isn’t just expanding its manufacturing into China. In November, it revealed plans to build a huge European production facility on the outskirts of Berlin in Germany.

https://www.youtube.com/watch?v=3EQcGVJAFx0

About Elon Reeve Musk

born June 28, 1971 ,Elon Musk  is an engineer and technology entrepreneur.He holds South African, Canadian, and U.S. citizenship and is the founder, CEO, and chief engineer/designer of SpaceX; CEO and product architect of Tesla, Inc.; co-founder of Neuralink; founder of The Boring Company;and co-founder and initial co-chairman of OpenAI. He was elected a Fellow of the Royal Society (FRS) in 2018.In December 2016, he was ranked 21st on the Forbes list of The World’s Most Powerful People, and was ranked (co-)first on the Forbes list of the Most Innovative Leaders of 2019. He has a net worth of $23.6 billion and is listed by Forbes as the 40th-richest person in the world. He is the longest tenured CEO of any automotive manufacturer globally.

 

Source: BBC


Everybody wants the best solar battery in Ghana.There are certain specifications you should use when evaluating your solar battery options, such as how long the solar battery will last or how much power it can provide. Below, learn about all of the criteria that you should use to compare your home energy storage options, as well as the different types of solar batteries.

LITHIUM VS AGM Ghana

freedom won lithium-ion battery installed in Accra,Ghana

How to compare your solar storage options

As you consider your solar-plus-storage options, you’ll come across a lot of complicated product specifications. The most important ones to use during your evaluation are the battery’s capacity & power ratings, depth of discharge (DoD), round-trip efficiency, warranty, and manufacturer.

Capacity & power

Capacity is the total amount of electricity that a solar battery can store, measured in kilowatt-hours (kWh). Most home solar batteries are designed to be “stackable,” which means that you can include multiple batteries with your solar-plus-storage system to get extra capacity.

While capacity tells you how big your battery is, it doesn’t tell you how much electricity a battery can provide at a given moment. To get the full picture, you also need to consider the battery’s power rating. In the context of solar batteries, a power rating is the amount of electricity that a battery can deliver at one time. It is measured in kilowatts (kW).

A battery with a high capacity and a low power rating would deliver a low amount of electricity (enough to run a few crucial appliances) for a long time. A battery with low capacity and a high power rating could run your entire home, but only for a few hours.

Depth of discharge (DoD)

lithium vs AGM ,DEPTH OF DISCHARGE GRAPH,GhanaMost solar batteries need to retain some charge at all times due to their chemical composition. If you use 100 percent of a battery’s charge, its useful life will be significantly shortened.

The depth of discharge (DoD) of a battery refers to the amount of a battery’s capacity that has been used. Most manufacturers will specify a maximum DoD for optimal performance. For example, if a 10 kWh battery has a DoD of 90 percent, you shouldn’t use more than 9 kWh of the battery before recharging it. Generally speaking, a higher DoD means you will be able to utilize more of your battery’s capacity.This has always been an issue in Ghana .Most people have erroneous impression that batteries need to be completely drained for batter performance.

Round-trip efficiency

A battery’s round-trip efficiency represents the amount of energy that can be used as a percentage of the amount of energy that it took to store it. For example, if you feed five kWh of electricity into your battery and can only get four kWh of useful electricity back, the battery has 80 percent round-trip efficiency (4 kWh / 5 kWh = 80%). Generally speaking, a higher round-trip efficiency means you will get more economic value out of your battery.

Battery life & warranty

For most uses of home energy storage, your battery will “cycle” (charge and drain) daily. The battery’s ability to hold a charge will gradually decrease the more you use it. In this way, solar batteries are like the battery in your cell phone – you charge your phone each night to use it during the day, and as your phone gets older you’ll start to notice that the battery isn’t holding as much of a charge as it did when it was new.

Your solar battery will have a warranty that guarantees a certain number of cycles and/or years of useful life. Because battery performance naturally degrades over time, most manufacturers will also guarantee that the battery keeps a certain amount of its capacity over the course of the warranty. Therefore, the simple answer to the question “how long will my solar battery last?” is that it depends on the brand of battery you buy and and how much capacity it will lose over time.

For example, a battery might be warrantied for 5,000 cycles or 10 years at 70 percent of its original capacity. This means that at the end of the warranty, the battery will have lost no more than 30 percent of its original ability to store energy.

Manufacturer

Many different types of organizations are developing and manufacturing solar battery products, from automotive companies to tech startups. While a major automotive company entering the energy storage market likely has a longer history of product manufacturing, they may not offer the most revolutionary technology. By contrast, a tech startup might have a brand-new high-performing technology, but less of a track record to prove the battery’s long-term functionality.

Whether you choose a battery manufactured by a cutting-edge startup or a manufacturer with a long history depends on your priorities. Evaluating the warranties associated with each product can give you additional guidance as you make your decision.

LITHIUM VS AGM, Ghana

Victron Energy AGM super cycle batteries installation in Accra

Automotive companies are jumping on the energy storage bandwagon

Home energy storage technology and electric vehicles are a lot alike: they both use advanced batteries to create more efficient, sustainable products that can reduce greenhouse gas emissions.

As electric vehicles become more popular, more companies are dedicating significant research and development funds to developing batteries, and they’re expanding into the energy storage business. Tesla is the first mainstream example (with their Powerwall battery), but Mercedes-Benz and BMW are also bringing standalone batteries to the market in 2017.

How long do solar batteries last?

There are two ways to answer this question and the first is to determine how long a solar battery can power your home. In many cases, a fully charged battery can run your home overnight when your solar panels are not producing energy. To make a more exact calculation, you’ll need to know a few variables, including how much energy your household consumes in a given day, what the capacity and power rating is for your solar battery and whether or not you are connected to the electric grid.

For the sake of a simple example, we’ll determine the size of a battery needed to provide an adequate solar plus storage solution with national average data from our research at Nocheski Solar. The average Ghana household will use roughly 15 kilowatt-hours (kWh) of energy per day and a typical solar battery can deliver some 5 kWh of capacity. Thus a very simple answer would be, if you purchased three solar batteries, you could run your home for an entire day with nothing but battery support.

In reality, the answer is more complicated than that. You will also be generating power with your solar panel system during the day which will offer strong power for some 6-7 hours of the day during peak sunlight hours. On the other end, most batteries cannot run at maximum capacity and generally peak at a 90% DoD (as explained above). As a result, your 5 kWh battery likely has a useful capacity of 4.5 kWh.

Ultimately, if you are pairing your battery with a solar PV array, one or two batteries can provide sufficient power during nighttime when your panels are not producing. However, without a renewable energy solution, you may need 3 batteries or more to power your entire home for 24 hours. Additionally, if you are installing home energy storage in order to disconnect from the electric grid, you should install a few days’ worth of backup power to account for days where you might have cloudy weather.

 

Solar battery lifespan

The general range for a solar battery’s useful lifespan is between 5 and 15 years. If you install a solar battery today, you will likely need to replace it at least once to match the 25 to 30 year lifespan of your PV system. However, just as the lifespan of solar panels has increased significantly in the past decade, it is expected that solar batteries will follow suit as the market for energy storage solutions grows.

Proper maintenance can also have a significant effect on your solar battery’s lifespan. Solar batteries are significantly impacted by temperature, so protecting your battery from freezing or sweltering temperatures can increase its useful life. When a PV battery drops below -1.1 ° C, it will require more voltage to reach maximum charge; when that same battery rises above the 32.22 ° C threshold, it will become overheated and require a reduction in charge. To solve this problem, many leading battery manufacturers, like Tesla, provide temperature moderation as a feature. However, if the battery that you buy does not, you will need to consider other solutions like earth-sheltered enclosures. Quality maintenance efforts can definitely impact how long your solar battery will last. Temperatures in Ghana range between 25-35 deg Celsius.

What are the best batteries for solar?

Batteries used in home energy storage typically are made with one of three chemical compositions: lead acid, lithium ion, and saltwater. In most cases, lithium ion batteries are the best option for a solar panel system, though other battery types can be more affordable. Order you Lithium batteries in Ghana here

  1. Lead acid

    Lead acid batteries are a tested technology that has been used in off-grid energy systems for decades. While they have a relatively short life and lower DoD than other battery types, they are also one of the least expensive options currently on the market in the home energy storage sector. For homeowners who want to go off the grid and need to install lots of energy storage, lead acid can be a good option.This is the most common solar battery type in Ghana.

  2. Lithium ion

    The majority of new home energy storage technologies, such as the , use some form of lithium ion chemical composition. Lithium ion batteries are lighter and more compact than lead acid batteries. They also have a higher DoD and longer lifespan when compared to lead acid batteries.  However, lithium ion batteries are more expensive than their lead acid counterparts.This is the least common solar battery type in Ghana

  3. Saltwater

    A newcomer in the home energy storage industry is the saltwater battery. Unlike other home energy storage options, saltwater batteries don’t contain heavy metals, relying instead on saltwater electrolytes. While batteries that use heavy metals, including lead acid and lithium ion batteries, need to be disposed of with special processes, a saltwater battery can be easily recycled. However, as a new technology, saltwater batteries are relatively untested, and the one company that makes solar batteries for home use (Aquion) filed for bankruptcy in 2017.This battery type is virtually non existent in Ghana.


Solar Power ,energy excitement in Nigeria.The market at Sabon Gari in Kano state, Nigeria, has 12,000 shops where you can buy everything from vegetables to visual arts. It’s so big they call it ‘Mini Africa’. Several kilometres of bustling passageways and roads, packed with shoppers and the shouts of traders calling attention to their bargains, makes for an exhilarating atmosphere …you simply can’t visit Nigeria and not go there!

Solar energy POWER excitement in Nigeria World recognition for huge Solar-Powered Market 8

© Alexander Kohler, Source Persistent Energy

However until recently there’s been something else in the atmosphere, too: quite a lot of smoke!

Noise and fumes

Grid electricity supply problems resulted in 72% of the shops which needed electricity deciding to generate their own power using petrol and diesel generators – a survey found. Apart from the pollution and the noise, the market regularly experienced destructive fires causing damage estimated in the millions of Naira.

Solar power, energy excitement in Nigeria World recognition for huge Solar-Powered Market

© Alexander Kohler, Source Persistent Energy

To address this and similar issues, The Federal Government of Nigeria, through the Rural Electrification Agency launched Energising Economies Initiative (EEI), to focus on building a reliable energy infrastructure at markets and other economic hubs – together with private developers.

Solar power energy excitement in Nigeria World recognition for huge Solar-Powered Market 5

His excellency the Vice President of Nigeria, Yemi Osinbajo accompanied by REA CEO/MD Damilola Ogunbiyi conducting inspection of one of the energy hubs at Sabon Gari.

 

His excellency the Vice President of Nigeria, Yemi Osinbajo accompanied by REA CEO/MD Damilola Ogunbiyi conducting inspection of one of the energy hubs at Sabon Gari.

Survey, design, install

The Nigerian based off-grid energy specialist Rensource – who aims to build West Africa’s largest portfolio of electricity micro-grid utilities using best-in-class technologies – were asked to carry out the installation.

Rensource recruited and trained 100 engineers, administrative staff, and craftsmen. Like so many countries, Nigeria has a large jobless population – new recruits were drawn from amongst Nigeria’s unemployed.

The first goal was to win the confidence of market stall holders that reliable power provision could be a reality – it was something no one had experienced before. A ‘needs’ survey provided the team with information essential to their system design …some shops needing only lighting; others had  air-conditioning and refrigeration units.

Solar power energy excitement in Nigeria World recognition for huge Solar-Powered Market 2 

How was it achieved

Working from survey results, a colossal 1.6MWh bank of Lithium-iron Phosphate batteries from hybrid battery manufacturer and technology partner BOS AG, based in Germany was selected as the power storage solution. The power installation was zoned into 160 10kWh systems – each providing power for between 60 and 80 shops.

Solar power energy excitement in Nigeria World recognition for huge Solar-Powered Market 3

800kVA of power is made available using 160 Victron MultiPlus inverter/chargers. These inverters have a peak power capability equal to double their continuous output – which ensures smooth power supply even as air conditioning units, for example, cycle on-and-off.  320 Blue solar MPPTs 150/70 units harvest the power from a 1.6MWp solar array, optimising the charge current to the Lithium iron battery bank.

Solar energy excitement in Nigeria World recognition for huge Solar-Powered Market 6

The system allows for future expansion – which is just as well because business is booming and demand for power is growing.

This clean electricity – made affordable by smart meters – brings only benefits it seems: Whereas the price of generator-produced electricity was around 1000 Naira per day, smart energy has brought that cost down to 116 Naira, typically.

International recognition

The success of this huge project has received deserved international recognition – Rensource won the Excellence in Climate Solutions award at the Transformational Business Awards ceremony (also known as ‘the Oscars of the renewables world’) which was held in June 2019, hosted by The International Finance Corporation (World Bank Group and Financial Times.

Since the completion of this project, four more markets now benefit from renewable electricity with a further fourteen scheduled. These developments are bringing welcome employment and training to enthusiastic young people who are really enjoying being involved with such a worthwhile scheme.

Rensource team after the inauguration ceremony! This project helped create many jobs for the youth of Nigeria.

Veeresh Anehosur of BOS AG says: The key to these mini grids and micro utility projects is that they need to be commercially attractive and sustainable in long-term. This is possible only if the technology works flawlessly over the years. ‘Low’ or ‘No’ system downtime and good system-level performance helps win customer confidence in the project – which decreases non-payment risk …a perfect scenario to recoup the initial investment. How do you ensure an efficient and cost-effective mini grid over time? One key element is to include lithium. Lithium has one of the least LCOE [Levelized Costs of Energy] compared to Lead acid. For projects where an initial low-capital investment is critical, a combination of Lead acid and Lithium can be used which gives a cost-effective high-performance solution.

Let’s have a look around the market, and hear how market traders are getting on with their new clean power:


How the Digital Inverter Compressor Has Transformed the Modern Fridge.For decades, Refrigerators or Fridges  had single-speed compressors that were always either off or on. A compressor is the engine that powers the refrigeration cycle, moving refrigerant through the inner and outer heat exchange pipes. With a single-speed compressor, when the temperature inside the fridge reaches above a certain temperature, the compressor suddenly switches on – a noise almost everyone is familiar with. The single-speed compressor operates at full power, producing enough cool air until the temperature has sufficiently decreased before abruptly shutting off.

Enter the digital inverter compressor (a compressor that can operate at variable speeds because it is operated with a digital inverter). Unlike the standard single-speed compressor, which is either off or operating at full speed (typically about 3,600rpm), the digital inverter compressor is almost always on, but can operate at different speeds – from 1,100 to 4,300rpm. This ensures high efficiency and consistent temperature inside the refrigerator. It also results in significant cost savings, a reduced carbon footprint, less noise and a longer lifespan for the compressor. The digital inverter compressor is one of the most important innovations in the history of Fridges and food preservation and Samsung has led the way.

Today, digital inverter compressors are the main technology used in Samsung’s signature appliances eg, air conditioners, washing machine & Fridges, including those that are part of the Chef Collection, the T9000, as well as food showcases and large-capacity premium Fridges. This has played no small role in Samsung’s ascent to become the world’s top refrigerator manufacturer.

In addition, Samsung has become a technical leader, as one of the world’s top manufacturers of this game-changing technology. Samsung produced more than 40% of the world’s digital inverter compressors in 2014 as other major manufacturers now use Samsung’s superior compressors in their Fridges.

Samsung really began its rise in this area in 1999 when the company pushed investment in BLDC (brushless direct current) inverter compressors. Since then, Samsung has continued to expand its investment in research and development, hiring a highly skilled team of researchers, which has enabled the company to remain on the cutting edge of technology. From 2000 to 2014, Samsung sold a total of 27.5 million BLDC inverter compressors, which are highly efficient and less noisy compared to a single-speed induction motor compressor. BLDC motors are also better in terms of reliability and longevity. The current Chef Collection refrigerator employs a fifth generation technology of BLDC inverter compressor.

The benefits are obvious. A fridge with a Samsung digital inverter compressor consumes up to 46.9% less energy than a single-speed induction motor compressor, and thus contributes far less in the way of greenhouse gases. Because the digital inverter compressor gradually speeds up and slows down, it does not have to work as hard to manage the temperature. This means that Fridges with digital inverter compressors suffer less wear and tear on components and are therefore far more durable than fridges with conventional compressors. This has allowed Samsung to offer a 10-year warranty on its digital inverter compressors.

The lack of abrupt starts and stops means no sudden, potentially startling disruptive noises interrupting your dinner. Digital inverter compressors are also far less noisy overall: up to 3 decibels quieter. And the consistent, uniform cooling that maintains the desired temperature means food lasts longer because changes in temperature can lead produce, meat, fish and dairy to spoil more quickly. It all means that consumers will save money on both their electric bills and food costs.

When Samsung sought input from its highly influential group of culinary experts, also known as the Club des Chefs, they emphasized that temperature uniformity is a crucial component of any fridge that may be used in a Michelin-starred kitchen. Chef Collection Fridges boast “Chef Mode,” which ensures that the temperature fluctuates no more than plus or minus 0.5 degrees celsius. The Chef Collection refrigerator is equipped with three evaporators and two compressors to control humidity. It is also made of stainless steel panels, which help to keep the temperature consistent.

These Digital Inverter technology based appliances are best used with solar power options for 2-5 bedroom homes from Nocheski


EnGo – Smart Solar Street light pole is made by   EnGoPlanet ,the  sustainable solar lighting experts   recently launched a stylish new street light pole product which can even be retrofitted.The attachable design is of a solar cylinder module which can be quickly and easily mounted on any suitable pole for easy installation and disassembly.

Using 6 slim solar panels, with a solar cell efficiency of up to 21.2%, fixed to a hexagonal frame, ensures that half of them will face sun light at any time of the day.

The off-vertical cluster arrangement of the panels makes them less vulnerable to high-winds, less likely to accumulated dust and grime, and easier to clean.

The energy is harvested by a Victron SmartSolar MPPT 75-15. Bluetooth enabled, SmartSolar MPPTs include features which protect the battery from being too deeply drained, and have intelligent dynamic charge algorithms which work with the seasons to ensure the battery will at least periodically be returned to 100% charge.

EnGoPlanet use their own high-quality Lithium batteries, making the unit suitable for off-grid applications where night lighting is required. EnGo – Smart Solar Street light pole can also be used where a grid connection is present – in which case the units will run from their own batteries except where long-continued spells of poor weather require a power supplement to be drawn from the grid. This option is recommended for locations which are often cloudy, or shaded.

Alternatively, grid connected poles can be supplied without battery. Energy produced by the panels will be sent directly to the grid. Savings of up to 80% are possible.

EnGo – Smart Solar Street light pole  installations are also able to collect valuable environmental data which can be interrogated online. Other applications for the poles are for uses such as CCTV, sensors, wifi hotspots, and even phone charging points.

At Nocheski, we  look forward to installing  EnGo – Smart Solar Street light pole  soon

Justin Tyers


Victron Energy CANvu GX …information you can touch! It’s so convenient to be able access all your system information via touch screen – and because the Victron Energy GX is a sealed-unit, you can install it in some challenging environments!

P67 rating of the Victron Energy  CANvu GX means that it is completely protected against dust ingress, and can even withstand half an hour’s immersion in water 1 metre deep!

The Victron Energy CANvu GX is the latest addition to the Venus family – the information gateway which allows you to set-up, monitor and manage all the component parts of your private energy installation. In exactly the same way as you use the CCGXVenus GX; and Octo GX – the Victron Energy CANvu GX gathers data from your Inverter/ChargerBattery MonitorSolar Charge Controller, and batteries to allow optimal communication between components, maximising battery-charging and solar harvest.

And, of course, it allows you to interrogate the status of each device. But amongst the whole family, it is the Victron Energy CANvu GX which is ideal when the information is required to be displayed outdoors, or in difficult environments.

The arrival of the Victron Energy CANvu GX will be welcomed particularly by those users who work in the open. It is entirely at home on board vessels at sea, or on building sites – in applications such as the control panel of Hybrid Generators. It is also ideal in factories where industrial processes are wet, or dusty.


The unit comes with a dash/fascia mounting kit:


Please note that in order to operate the Victron Energy  CANvu GX you will need an IO Extender and wiring kit, and that this must be ordered separately:

The full colour screen of the Victron Energy  CANvu GX will be familiar both in appearance and size to anyone who has seen or used the CCGX. The system offers 3 VE.Direct ports and one USB port; a second, separate CAN-bus port; and it can receive digital inputs. It doesn’t have a buzzer. WiFi is not built-in, but a USB WiFi dongle can be attached. A comparison of features between all members of the GX family can be found here.

Justin Tyers


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