Tesla Megapacks Tesla on Twitter announced: "Meet Megafactory, our new Megapack factory in Lathrop, CA 🔋🔋🔋" Tesla's energy division has recently completed their new Megapack factory in Lathrop California , which they claim can produce currently 10'000 Megapacks a year. How much storage is that and how does this compare to a Hydropower pump storage plant? Tesla megapacks Specs per pack 4 Hour Duration Power: 970 kW Energy: 3,916 kWh per Megapack Round Trip Efficiency: 93.5% 9.12 m x 1.65 m x 2.7...