Yellowknife, K'atl'odeeche and Enterprise are hydro communities, with power supplied by NTPC and distributed by Naka Power.

The power plant has three diesel generators with a total capacity of 265 kW. 

The Energy North regional office is located in Inuvik. There are two power plants, one diesel powered with a total capacity of 6.2 MW, and one gas powered housing three gas-fueled generators rated at 2.8 MW, 2.8 MW, and 2.1 MW. The gas plant is now operating  with liquid natural gas delivered by truck from the south. A 3.5 MW wind turbine was commissioned in 2023.

NTPC generates power for Hay River at the Taltson hydro site. Back up power is provided by diesel generation.

Power is supplied in Gamètì by three diesel generators rated at 100, 212 and 300 kW.

Fort Smith is powered by hydro electricity from the Taltson Hydro System. A standby plant houses three diesel generators with a total generating capacity of 6 MW.

This power plant consists of four diesel generators with a total capacity of 3.2 MW. A 104 kW solar array installed in 2012 provides up to 15 percent of Fort Simpson’s power needs.

Fort Resolution receives power from the Taltson Hydro System. The community has one standby diesel generator with a capacity of 600 kW. There is a second standby 100 kW diesel generator located at Buffalo Junction on Highway 5, approximately 77 km west of Fort Resolution.

Power for Fort Providence is generated and distributed by Northland Utilities (NWT) Ltd.

Total installed capacity of the diesel power plant is 1.83 MW. A hot water heating system supplies some buildings in the community.