State-regulated investor-owned utilities serve over 70 percent of electricity to final end-use retail consumers in the U.S. Prior to the 1990s, all states used a “cost of service (COS)” regulation regime in which investor-owned utilities were allowed to recover prudently incurred costs plus...

Deep reforms of the Philippine power sector began in 2001, aiming at competitive wholesale and retail markets. This case study analyzes the Philippine experience with wholesale electricity markets at the generation level, including design, implementation, and outcomes. The spot market began...