When the sun goes down, solar panels stop working. This is the fundamental hurdle of renewable energy: how to save the sun's ...

RenewaFLEXNL, a three-year Dutch initiative led by TNO, aims to accelerate long‑duration energy storage (8–100 h) to reduce grid congestion and better integrate renewable energy. pv magazine spoke ...

A Japanese research team has evaluated the affordability of photovoltaic-battery systems featuring heat-pump water heaters and air conditioning units across nine regions of Japan. They analyzed three ...

Both the government and Nesta assume that a home with a heat pump would disconnect from the gas grid, meaning that it would no longer need to pay the daily “standing charge” for gas. This currently ...