Energy & Green Tech

Residential solar power saves less energy than expected

Imagine a household that consumes 1,000 kilowatt hours of energy per month. Then they install solar panels on their roof that generate 500 kilowatt hours of electricity per month on average. How much should their consumption ...

Energy & Green Tech

The role of energy density for grid-scale batteries

Because the sun does not shine at night but all our screens do, we need energy storage to shift solar energy production during the day to when it is needed in the evening. To cope with this intermittence of renewables, we ...

Energy & Green Tech

Harvesting light to grow food and clean energy together

People are increasingly trying to grow both food and clean energy on the same land to help meet the challenges of climate change, drought and a growing global population that just topped 8 billion. This effort includes agrivoltaics, ...

Energy & Green Tech

Berlin preps 'huge thermos' to help heat homes this winter

The rust-colored tower rising from an industrial site near the banks of Berlin's Spree river looks nothing like the sleek flasks Germans use for coffee, yet its purpose is similar: to provide some warmth throughout the day, ...

Energy & Green Tech

People are driving electric vehicles less than projected

New data indicates that electric vehicles may not be an easy future substitute for the gasoline-powered fleet, as EVs are currently being used half as much as conventional cars. That is according to a paper published from ...

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