Imagine a giant safety net catching solar rays and wind gusts - that"s essentially what the Montevideo Energy Storage Station does for Uruguay"s power grid. As South America"s largest lithium-ion battery facility, this 150MW/300MWh project acts as the continent"s energy shock absorber. "This. Silicon Valley Power (SVP) has selected Ameresco, a Massachusetts-based renewable energy developer, to build a 50MW/200 megawatt-hour (MWh) battery energy storage system (BESS) in Santa Clara, California, US. The BESS project, known as Kifer Energy Storage, will offer additional local area capacity. Why Uruguay's Energy Storage Project is Stealing the Spotlight Did you know Uruguay generates over 98% of its electricity from renewables? But here's the kicker - even green energy needs a backup plan.