Yeah. That's included. It's 3.3 cents/kWh. Electricity prices go negative in some regions when it's really windy and sunny as people try to deal with having so

Yeah. That's included. It's 3.3 cents/kWh. Electricity prices go negative in some regions when it's really windy and sunny as people try to deal with having so much renewable generation, and they offload it to whoever can take it at pennies or less. So it kind of is free. This study included very cheap electricity on the assumption that the batteries would be filled during these peaks in renewable generation, which always coincide with cheap electricity prices on the auctions.