‘Off-grid Solar Solutions Critical to Survival of Nigeria’s Power Sector’ #GameJabiLake

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Source: Ejiofor Alike THISDAY LIVE
Stakeholders who gathered in Lagos at the recent inauguration of the off-grid solar power solutions for Micro, Small and Medium Scale Enterprises (MSMEs) by Tellco Europe Nigeria, have identified off-grid solar power as the panacea to Nigeria’s energy deficits.

Speaking at the event, the Chairman of TellCo Europe Nigeria and former Vice Chancellor of Obafemi Awolowo University, Ile-Ife, Prof. Wale Omole argued that Nigeria can solve her energy crisis through renewable energy.

“Renewable energy is an inextricable growing pathway of the future supply mix now disparagingly needed for Nigeria, without which future sustainable economic growth and development will be a mirage,” he said.

“It is sad to note that, significant amount of the economy is continually powered largely by small-scale generators (10–15 Gigawatts) and more than 50 per cent of Nigeria’s population have limited or no access to the grid. Most citizens of this country, power their businesses and homes, depending on fossil fuel at a frightening cost of nearly $14 billion or N5 trillion yearly, with added negative public health and other socio-economic hazards!” he added

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Walmart buys Flipkart for $16 billion, shifts battle with Amazon to India

Delhi/Bengaluru: Walmart Inc. has agreed to pay $16 billion for a 77% stake in Flipkart, valuing India’s largest start-up at about $21 billion in what is one of the biggest acquisitions in the country.

The deal will redraw the retail landscape in India as Walmart takes its battle in the US with arch-rival Amazon to the world’s fastest growing major economy. It will also give a massive boost to entrepreneurship and the start-up ecosystem in India, which has struggled to provide exits.

The buyout, which is Walmart’s biggest acquisition and the biggest e-commerce deal globally, marks the end of an era as Flipkart co-founder and chairman Sachin Bansal will leave the company and sell his 5.5-6% stake in the company. Flipkart’s other founder Binny Bansal will continue as Flipkart group CEO and Kalyan Krishnamurthy will retain his position as Flipkart CEO.

The deal will need to be approved by India’s anti-trust regulator. Walmart’s journey in India hasn’t been smooth. In 2007, the world’s largest retailer set up a joint venture with Bharti Enterprises Ltd for wholesale stores. Bharti exited the joint venture six years later. India is one of the most attractive retail markets in the world, given its size and growth rate, and our investment is an opportunity to partner with the company that is leading transformation of e-commerce in the market,” Walmart chief executive officer Doug McMillon said. Walmart brings to the table its experience of running a big retail business globally. It plans to help Flipkart in scaling its business fast and at the same time bring in cost efficiencies.

Singapore-registered Flipkart, which owns fashion retailers Myntra and Jabong and the mobile payments app PhonePe, has seen its valuation jump to $21 billion from just $10.2 billion a year ago.

Walmart will invest $2 billion directly into Flipkart and buy the rest of its stake from existing Flipkart investors including SoftBank Group, Accel Partners, Naspers and eBay Inc. Tiger Global Management, Flipkart’s most influential shareholder, is also selling much of its 20% stake. According to a person familiar with the matter, Walmart may invest more money into Flipkart after a year. “It’s interesting as we are now seeing the converging of offline and online,” said Kishore Biyani, chief executive officer, Future Group.

The sale will lead to windfall gains for Flipkart’s earliest investors Accel, Tiger Global and Naspers. Tiger Global partner Lee Fixel, who was the driving force behind the deal, has now established himself as one of the most important start-up investors in the world.

Flipkart’s largest shareholder SoftBank will sell its 20%-plus holding entirely over time, marking a massive gain on a $2.5 billion investment only made last August.

Binny Bansal, Tencent Holdings, Tiger Global and Microsoft will retain some portion of their shareholdings in the company. Tencent and Tiger Global will retain their board seats; Walmart will add new members to Flipkart’s board including independent directors.

JP Morgan was the lead financial adviser for Walmart, along with Barclays. Law firm Shardul Amarchand Mangaldas & Co. was one of the legal advisers to the American company. Flipkart was advised by Goldman Sachs Group Inc.

Walmart said it is in talks to bring new investors into Flipkart. One person familiar with the matter said that Flipkart is in discussions with Google, Intel and existing investor Microsoft to raise more capital.

Walmart said that the Flipkart Group recorded gross merchandise value of $7.5 billion for the year ended 31 March, an increase of 50% over the previous year. Flipkart’s net sales also jumped by 50% to $4.6 billion.

Walmart, which will retain the Flipkart brand, said it supports “Flipkart’s ambition to transition into a publicly listed, majority-owned subsidiary in the future”. But a listing of Flipkart is unlikely any time in the next few years, given that the company will need to keep spending lots of cash to keep its leadership position amid the battle with Amazon India.

Analysts expect Amazon to increase its $5 billion commitment toward expanding its India business.

Walmart’s wholesale business in India will continue to be led by Krish Iyer. The company operates 21 Best Price cash-and-carry stores and one fulfilment centre across nine states.

At 9pm IST, Walmart shares were trading down 4.04% on the New York Stock Exchange.

How to calculate your solar power requirements

How much solar power do you need?

So you want to set your rig up for Solar but you are not sure what size of set up you need? This blog is designed to give you the tools to be able to work out exactly what are you are drawing from your rig's batteries and what type of Solar set up you need. Knowledge is key when setting up your rig for Solar so the more information you have on each and every one of those home comforts devices you plan to take away with you the better. If anyone has a question pop it in the comment section below. I will answer each and everyone.

How to work out Watts, Amps and Volts

It stands to reason that a larger Solar Panel will collect more energy in less time, but just how big does the solar panel need to be?

The power consumption of appliances is given in Watts. To calculate the energy you will use over time, just multiply the power consumption by the hours of use. For example:

10 watt device used over 3 hours equals 10 x 3 = 30 Watt

How to convert Amps to Watts

The energy in Watts is equal to the electric charge in Amps times the voltage in volts:

Watts = Amps × Volts

Example

If your device doesn’t have the Watts labelled on it, then it should at least have the input Volts i.e. 240V and the Amps AC it draws such as 240V – 1.5A. You can then use the equation Watts Volts x Amps so 240v x 1.5amps = 360 Watts.

How to convert Watts to Amps

The electric charge in Amps is equal to the energy in Watts divided by the voltage in volts (V):

Amps = Watts / Volts

Example

Find the electric charge in Amps when the energy consumption is 300 watts and the voltage is 240 volts.

300 Watts / 240 volts = 1.25 Amps

Check out the iTechworld inline Watt meter which does all these calculations for you HERE

Do I need a battery?

Solar panels are commonly used to charge a battery – not to charge a device directly. There are a couple of reasons for having batteries. Solar panels might not generate enough wattage to directly power an appliance, but they can build up a higher wattage via a battery. Secondly a battery can regulate the power going in to the appliance at a constant rate. When solar panels are charging a battery it is usually at a varying rate which could harm an appliance if not regulated.

Battery capacity is measured in Amp Hours (e.g. 100Ah). You need to convert this to Watt Hours by multiplying the Ah figure by the battery voltage (e.g. 12V) – see calculations above.

AH refers to amp hours. This rating is usually found on deep cycle batteries. If a battery is rated at 100 amp hours it should deliver 5 amps of power for 20 hours or 20 amps of power for 5 hours.

When choosing a deep cycle battery, keep in mind the equipment you will be powering and the time in which they will be running. Theoretically a 100Ah battery can deliver 5 amps over a 20 hour period (and so on). Taking into account the average small campsite - with a small 45W fridge running for 6 hours, 3 hours of 15W lighting and 20W of other electronic equipment - the minimum consumption to be expected is 335W. Take this wattage and divide it by the voltage, 12V, gives 28Ah. With the aim of leaving 50% in the battery brings the requirement to 56 Ah per day.

Check out the only the battery that iTechworld recommends with Solar Power HERE

What size solar panel do I need? 

Solar Panels power generation is commonly given in Watts e.g. 120 Watts. To calculate the energy it can supply the battery with, divide the Watts by the Voltage of the Solar Panel.

120 Watts / 18v = 6.6 Amps

Please note that Solar Panels are not 12v, I repeat Solar Panels are not 12v. Any one who works out the Amps of a solar panels using 12v as the voltage calculation does not understand solar or has been misinformed. All solar panel voltages should be marked in the item description of our website or on the unit itself.

Check out the iTechworld Solar Panel range HERE

Inverters

The power inverter converts your storage battery power into the 240 volts AC that runs your appliances. Unless you only run 12 volt DC appliances you will need a power inverter to supply your AC.

There are 2 types of Inverters

Pure sine wave and Modified sine wave.

The Pure Sine Wave matches the power to that of which you get from your Electricity Supplier, its clean and you can run any appliances safely even sensitive equipment.

The Modified sine wave used to be considered a dirty power but some aren't as bad as they used to be, you can use this inverter type for  things that don't have sensitive electronics for example fridges, cookers, pumps, You may have to be careful with some appliances such as laptops and TVs so check first

Source : Internet/ iTech

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