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Articles on Energy storage

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The U.S. has thousands of lakes and reservoirs that could be paired for pumped hydro storage without the need for rivers. Ollo via Getty Images

Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power – here’s how it works

A team of researchers found 35,000 pairs of existing reservoirs, lakes and old mines in the US that could be turned into long-term energy storage – and they don’t need dams on rivers.
Energy storage can make facilities like this solar farm in Oxford, Maine, more profitable by letting them store power for cloudy days. AP Photo/Robert F. Bukaty

These 3 energy storage technologies can help solve the challenge of moving to 100% renewable electricity

The US is generating more electricity than ever from wind and solar power – but often it’s not needed at the time it’s produced. Advanced energy storage technologies make that power available 24/7.
Wind turbines near Glenrock, Wyo. AP Photo/Matt Young

The US electric power sector is halfway to zero carbon emissions

Fifteen years ago electric power generation was the largest source of US greenhouse gas emissions. Now the power sector is leading the shift to a clean energy economy.
Water rushes through the Carillon Hydro electric dam in Québec. THE CANADIAN PRESS/Ryan Remiorz

Why Canada should invest in ‘macrogrids’ for greener, more reliable electricity

The electricity sector is expected to play a key role in Canada’s push to net-zero emissions. Enhancing long-distance transmission can be lower the cost of providing clean and reliable electricity.

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