California Independent System Operator (CAISO) as accessed through ABB Velocity Suite Note: Summer is defined as June, July, and August. The mix of energy sources used for power generation in California this summer changed from last summer, as renewables and imported electricity offset lower natural gas use. During summer 2016 (June, July, and August), thermal generation (almost all from natural gas) in the area serviced by the California Independent System Operator (CAISO) was down 20% from the previous summer, while generation from hydroelectricity, other renewables, and electricity imports was higher than the same period last year. The overall level of electricity consumption was 2% higher this summer as temperatures were slightly warmer than the previous summer. Hydroelectric generation in CAISO increased from last summer because the West Coast drought situation has improved . According to the U.S. Drought Monitor , 59% of California experienced […]