IRP

Rocky Mountain Power (RMP) on April 24 said an updated analysis of its operations suggests the company could lower costs for customers if it accelerates the retirement of four coal-fired units in Wyoming. Gary Hoogeveen, president and CEO of RMP, which is part of Pacificorp, told state and local officials the company has not made […]

NV Energy plans to retire a 254-MW coal-fired unit in a power-constrained region of Nevada at the end of 2021, four years ahead of schedule. The company will instead purchase 1,001 MW from new solar photovoltaic projects equipped with 100 MW of long-term battery storage, effectively doubling its total renewable generation from 14% in 2017 […]

The Tennessee Valley Authority’s third coal plant conversion to gas combined cycle generation, at the venerable Allen plant near Memphis, Tennessee, created the most-efficient combined cycle plant in its

Dominion Energy plans to build eight new natural gas-fired power plants and speed the pace of its renewable energy efforts, according to the utility’s integrated resource plan (IRP) filed with Virginia regulators on May 1. The company also said its future plans focus on regulations on carbon emissions in part because Virginia is considering joining the […]

The Minnesota Public Utilities Commission (MPUC) approved Minnesota Power Co.’s integrated resource plan (IRP) on June 9, which calls for the economic idling of the company’s Taconite Harbor Energy Center—a two-unit 150-MW facility (Unit 3 was retired in June 2015)—this fall and ceasing coal operations at the site in 2020. The MPUC also adjusted the […]

At the Tennessee Valley Authority (TVA), generation transitions are nothing new. The nation’s largest public power system—with 34 GW of generating capacity, supplying retail distributors with nine million

At Tennessee Valley Authority (TVA), repeated generation transitions have marked the giant public power utility’s long history, from hydro, to coal, to nuclear. The latest resource plan points to natural gas, along with renewables and energy efficiency, as the basis for the agency’s generating future. At the Tennessee Valley Authority (TVA), generation transitions are nothing […]