usa

US Pumped Hydro Potential

Reposted from Arctic Sea Ice Forum (with minor edits): At this point in time, pump-up hydro is our cheapest way to store electricity. Pump water up with spare electricity, let it flow back through turbines when we need electricity. We’ve got over 20 GW of pump-up hydro in the US that … [continued]

Community-Owned Transmission?

The enormous growth in local renewable energy is decentralizing the electricity system, often supplanting energy from centralized power plants. But not all renewable energy is built locally, even in a country like Germany with massive local ownership of its renewable energy systems. The Germans are undergoing significant upgrades to their … [continued]