Our operations

Mountain Peak Power

Mountain Peak Power

The Mountain Peak Power facility is located near Denver, Colorado. The facility is a natural gas-fired peaking power plant with a gross installed capacity of 162 megawatts and has been in operation since September 2025.

The facility is equipped with six GE LM2500XPRESS gas turbines, providing flexible generation to support periods of peak electricity demand. The facility is fully contracted under a 30-year fixed-capacity tolling agreement with United Power, Inc.

Energy Storage
Energy Transition
Gas
Hydroelectric
Solar
Wind

Mountain Peak Power

Keenesburg, Colorado

Gas

Fuel type

162 MW

Gross Installed Capacity

100%

TransAlta ownership

Stats at a glance

TransAlta-operated First on-stream Contract expiry
Yes 2025 2056