United States

NREL scientists encourage ‘optimal’ PV curtailment

Solar curtailment might become a valuable aspect of future PV deployment, particularly if grid operators start focusing on ‘curtailment management’ instead of ‘curtailment prevention.’ Management would include measures such as flexible generation, storage, load flexibility, and regional coordination.

World’s largest battery storage system now operational

It’s a title that is becoming more contentious by the day, but for the time being, LS Power’s 250 MW Gateway project in San Diego, California, is the biggest storage battery in the world.

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Energy storage investment to approach $10bn in 2025

Analyst IHS Markit has predicted storage will rebound this year following its first year-on-year decline in 2019. The technology is being rolled out at pace despite Covid-19 with state-level policies set to keep the US the global capital for the next five years.

“Capacity deferral is the primary source of storage value”

Big batteries derive most their value from replacing gas peaker plants and averting the installation of excessive amounts of transmission and generation infrastructure. However, batteries cannot replace all gas plants, MIT researchers found. From a holistic economics perspective, there is a certain share of storage that is considered cost-efficient. With battery costs declining, that share is constantly increasing.

Plan to deploy 1,500 MW/6,000 MWh storage project gets approval in the US

A permit to expand Vistra’s natural gas-fired Moss Landing generation station to 1,500 MW/6,000 MWh has been approved, setting the stage for the world to see gigawatt-scale battery energy storage for the first time ever.

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Enphase Q2 micro-inverter revenue falls despite demand ‘rebound’

Coming off a strong, profitable first quarter, Enphase sees the second-quarter results of Covid-19 in compressed revenue and a swing to a loss. Gross margins remain strong.

U.S. utility giant invests in 5B to accelerate use of solar energy

AES, one of the world’s largest power companies, has made a strategic investment in Sydney-based pre-fabricated solar array manufacturer 5B to meet the growing needs of its customers for solar.

PG&E, Tesla start building world’s biggest battery

The 182.5 MW/730 MWh Moss Landing energy storage system could eventually be expanded to 1.1 GWh – putting it on track to overshadow Tesla’s massive Hornsdale project in Australia.

A ‘just transition’ just about the only transition worth having

A team of international researchers featuring ANU’s Prof Frank Jotzo has published a study on the ‘just transition’ from coal to renewable sources of energy. The paper looks at comparative examples of transitioning economies, taking account of political realities, and ultimately shows that a ‘just transition’ is just about the only transition worth having.

Tesla EVs show profit while solar business hits new lows in revenue and deployment

It was a series of firsts, including a profitable full year and Megapack turning a profit that factored into CEO Elon Musk explaining that he has “never been more optimistic or excited about the future of Tesla.” Austin is confirmed as the site of the next Gigafactory.

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