Compressed air energy storage (CAES) is emerging as a practical solution to one of renewable energy’s biggest challenges: balancing supply and demand. By compressing air during periods of excess ...

Intuitively, it seems that the water displacement stores about 1/2 the energy--the other half is in the form of heat generated during compression. That's why it's so important to store that heat in a ...

Researchers in China have developed a heating pipeline compressed-air energy storage (HP-CAES) concept that repurposes urban district heating networks as large-scale storage vessels for surplus ...

Compressed air energy storage (CAES) is considered a mature form of deep storage due to its components being firmly “de-risked” but few projects are operating in the Western world. A project in the ...

Israeli company BaroMar is preparing to test a clever new angle on grid-level energy storage, which it says will be the cheapest way to stabilize renewable grids over longer time scales. This ...

Moving from fossil fuels to renewable energy sources like wind and solar will require better ways to store energy for use when the sun is not shining or the wind is not blowing. A new study by ...

This is the Jan. 12, 2023, edition of Boiling Point, a weekly newsletter about climate change and the environment in California and the American West. Sign up here to get it in your inbox. What can ...

The need for long-duration energy storage, which helps to fill the longest gaps when wind and solar are not producing enough electricity to meet demand, is as clear as ever. Several technologies could ...