1989 · Milestone
Natural Gas Wellhead Decontrol Act
Congress passed the Natural Gas Wellhead Decontrol Act, completing phased wellhead price deregulation begun under the 1978 NGPA—wellhead prices were fully market-based by January 1993.
Historical era
Gas, nuclear & early renewables (1980–2004)
Natural gas and nuclear held steady shares while PURPA and tax credits seeded wind and solar.