Engineering

Solar cell keeps working long after sun sets

About 750 million people in the world do not have access to electricity at night. Solar cells provide power during the day, but saving energy for later use requires substantial battery storage.

Energy & Green Tech

Technology enhances solar option during outages

During a power outage, we might not think of using the sun as a backup generator. But solar energy is playing a key role in keeping the lights on when the power is knocked out.

Business

Inequality built into the grid

It is known that future uptake of distributed energy resources like wind and solar could be limited due to constraints in electrical grids. Now, a study from Berkeley researchers shows that grid limitations in California ...

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