Derek Rieman is the Chief Development Officer at Repsol Renewables NA, overseeing the company’s active development of a portfolio of wind, solar and battery storage projects in the US. Derek was previously Vice President of Development for the Eastern Region and ERCOT at ConnectGen prior to Repsol’s acquisition of ConnectGen.

Prior to joining ConnectGen, Derek was the Director of Development at Calpine, one of the nation’s largest generators of electricity, where he led the renewable energy development efforts in PJM and MISO. Derek previously held similar development positions at BlueWave Solar and EDP Renewables (formerly Horizon Wind Energy) where he focused on developing wind and solar projects throughout various markets in the Midwest and Northeast.

Derek also holds a Juris Doctor from the University of Oregon with a specialization in Natural Resources and Environmental Law.