Portugal to install pumped hydro

Hydroelectric power has been around for a long time. With pumped hydro, water is pumped up to a reservoir during times of excess power production. When power is needed, the water is released to power turbines and create electricity, and it is available almost instantly. This is increasingly important in an era when wind and [...]

California mandates renewable energy grid storage

TVA Racoon Mtn pumped hydro

Renewable energy will now be required to be stored in California so it can be used in off-hours. The most common method is pumped-hydro, with batteries an obvious choice too. With pumped hydro, water is pumped uphill to a holding area. When power is needed, the water is released [...]