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Grids & Integration

Dutch grid operators won’t have to compensate for deactivated solar rooftops

Minister of economic affairs and climate change, Eric Wiebes, has written to parliament to confirm grid companies do not have to pay PV system owners when their installations are disconnected from the network due to capacity issues or poor-quality voltage.

Software developer claims its platform can unlock a distributed generation world

U.K.-based Power Transition today launched a crowdfunding exercise to raise the £300,000 it says it needs to scale up its blockchain-based, peer-to-peer energy trading platform beyond a 47-home demonstration project.

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Renewables can avoid crippling LNG and coal subsidy bill for Bangladesh

U.S. thinktank the Institute for Energy Economics and Financial Analysis says the nation should reorder its power network to harness cheap, modular renewables after existing power station overcapacity was worsened by plunging electricity demand during the Covid-19 shutdown.

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Used EV batteries for large scale solar energy storage

MIT scientists have suggested used electric vehicle batteries could offer a more viable business case than purpose-built systems for the storage of grid scale solar power in California. Such ‘second life’ EV batteries, may cost only 60% of their original purchase price to deploy and can be effectively aggregated for industrial scale storage even if they have declined to 80% of their original capacity.

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Chinese 202 MW/MWh solar-plus-storage project

Inverter maker Sungrow is supplying the inverters and storage system for China’s largest, 202.8 MW/MWh solar-plus-storage facility. The plant will be connected to a new, 800 kV ultra-high voltage power line.

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China added almost 4 GW of solar in first quarter despite Covid-19

The world’s solar superpower saw the amount of new capacity added in the first three months of the year fall 24% from the same period of 2019 as 1.75 TWh of solar electricity was curtailed, but the National Energy Administration expects both statistics to improve as China exits the public health crisis.

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Tackling climate change with machine learning: Covid-19 and the energy transition

The effect the coronavirus pandemic is having on energy systems and environmental policy in Europe was discussed at a recent machine learning and climate change workshop, along with the help artificial intelligence can offer to those planning electricity access in Africa.

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Australian grid could derive 75% of electricity from renewables by 2025

The Australian Energy Market Operator (AEMO) claims that the country already has the technical ability to safely operate a system in which three-quarters of the electricity comes from wind and solar. However, it needs to get the regulations right in order to do so.

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A redox flow battery for MW-sized solar-plus-storage

Matt Harper, chief commercial officer of newly-merged British-Canadian vanadium redox flow battery business Invinity Energy Systems has spoken to pv magazine about the VS3-022 Battery Unit it is marketing for grid scale solar-plus-storage projects and why it may be a better bet than lithium-ion.

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Global supergrid vs. regional supergrids

Researchers from Finland’s Lappeenranta University of Technology have assessed the economic advantages of a fully interconnected global network. They found that an international grid could contribute to a global LCOE of €52.50/MWh. The higher complexity of such a system, however, would only be marginally compensated by additional economic benefits.

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