NorthWestern Energy said this week it would build a 175 MW natural gas power plant in Montana. The $250 million project is part of a larger plan to add 325 MW of power capacity to address increasing energy needs in its home state.

Montana power by source

The other components of NorthWestern’s plan include a 50 MW battery storage project utilizing lithium-ion technology and a five-year agreement to buy 100 MW of hydropower.

The gas-fired, reciprocating internal combustion engine (RICE) power plant near Laurel, MT, is expected to be online by early 2024, the company said. RICE plants are capable of rapid daily starts and stops, the company said, providing power on-demand and balancing gas with renewable sources such as wind and solar.

“This selection of diverse projects will provide critically...