Energy & Green Tech

Good news for rooftop solar, not for home batteries

The energy produced over the lifetime of typical rooftop solar panels more than makes up for the energy it takes to make, mount and then eventually recycle them. But adding a home battery usually lowers those dividends, according ...

Energy & Green Tech

'Sun in a box' would store renewable energy for the grid

MIT engineers have come up with a conceptual design for a system to store renewable energy, such as solar and wind power, and deliver that energy back into an electric grid on demand. The system may be designed to power a ...

Energy & Green Tech

Does energy storage make the electric grid cleaner?

Carbon-free energy: Is the answer blowing in the wind? Perhaps, but the wind doesn't always blow, nor does the sun always shine. The energy generated by wind and solar power is intermittent, meaning that the generated electricity ...

Energy & Green Tech

Tesla's enormous battery amazes in quick outage response

Tesla Motors' grid storage battery in South Australia, switched on at just the beginning of December, has already shown it is up to the job of serving as a backup system in South Australia. Its quick response is the stuff ...

page 25 from 26