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Assessing non-linear tradeoffs in photovoltaic mini-grids

Researchers in Sweden investigated the complex non-linear tradeoffs between capacity expansion costs and reliability levels of off-grid PV mini-grids and found that capacity expansion based solely on cost-minimization may result in several reliability issues.


Ethiopian utility launches tender for 20 solar minigrids

The Ethiopian government has secured financing from the World Bank through the Access to Distributed Electricity and Lighting in Ethiopia (ADELE) program for 20 solar minigrid projects.


GCL shifts emphasis to green hydrogen as gas supply deal falls through

Previously announced plans by the solar developer to pay a deposit to secure gas from a connected business expired on Friday and the company has now said it will focus on a form of the energy carrier powered by renewables.


Zinc miner goes solar as African Development Bank pushes off-grid finance

A business based at a Namibian mine has signed a 15-year power purchase agreement which will back the construction of a 5.4MW solar project. Elsewhere, the AfDB wants to roll-out solar panels to provide electricity access to six million people across six nations over the next six years.


GCL wants note holders to back switch to gas-fired hydrogen

The Chinese solar developer, which has sold off four-fifths of its PV project capacity to state-owned entities, wants the permission of the holders of $420 million of 2024 senior notes to change the terms of their investment so it can buy Ethiopian natural gas from a connected business.


Africa’s winners and losers in the bid to go solar

While East Africa – and Kenya is particular – has made great strides in the provision of off-grid solar systems, Central Africa is a long way behind, according to a new report from IRENA and the African Development Bank. In terms of investment, the study’s authors wrote, much, much more will be required to achieve universal electricity access this decade.


Nigeria franchising out sections of power distribution network

The move will encourage private sector renewables companies to be part of the national energy industry, a representative of the regulator told a recent webinar which considered how to accelerate clean energy roll-out in Africa.

China holds the key to cancelling half the world’s new coal project plans

With pressure mounting on the world’s governments to turn their back on the fossil fuel, China and peers in South East Asia, Europe and South Asia could help deliver a coal-free future at the COP26 climate summit planned in Glasgow in November.

Lithium-ion vs lead-acid batteries

An international research team has conducted a techno-economical comparison between lithium-ion and lead-acid batteries for stationary energy storage and has found the former has a lower LCOE and net present cost. Through their analysis, which was performed assuming the use of the batteries in connection with a 10 kW, grid-tied PV system, the scientists concluded that lithium-ion batteries are the most viable solution.


The Hydrogen Stream: GCL will use Ethiopian natural gas to feed its ammonia and blue hydrogen

Plus there is news this week of a green hydrogen tie-up in India, plans for another German production facility, and of new hydrogen transport networks for Switzerland and the U.S.


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