The commission approved a final order last month, granting preapproval to Oklahoma Gas and Electric to spend $506 million on new energy projects, but denied its request to bill customers for construction.
In a Nov. 24 filing, consumer groups AARP and Oklahoma Industrial Energy Consumers asked the commission to reopen the case because they say the new projects could result in rates that are “excessive and unreasonable.”
The projects include two natural gas turbines at the Horseshoe Lake Power Plant in Oklahoma County, a purchase power agreement from a gas-fired generation facility in Pittsburg County and a contract with a battery energy storage system facility near Woodward. The groups wrote the investments wouldn’t lead to the “lowest reasonable cost” for consumers…