Colorado Utilities We Commonly Work With
Our work across Colorado includes electric, natural gas, water, wastewater, and telecommunications utilities serving commercial buildings, multifamily properties, municipalities, and mission-driven organizations.
Colorado
Electric Utilities
Xcel Energy (Public Service Company of Colorado)
Black Hills Energy
Colorado Springs Utilities
Holy Cross Energy
United Power
CORE Electric Cooperative (formerly IREA)
La Plata Electric Association (LPEA)
*We also work with municipal utilities served by Platte River Power Authority, including Fort Collins Utilities, Loveland Water & Power, and Longmont Power & Communications.
Natural Gas, Water, & Telecom
Xcel Energy (Electric & Gas)
Black Hills Gas Distribution
Atmos Energy
Colorado Natural Gas
Colorado Springs Utilities (Electric, Gas, Water & Wastewater)
Local municipal water & wastewater providers
Regional telecommunications carriers
Utilities Across the Mountain West
In addition to Colorado, we work with utilities across the Mountain West, supporting clients with multi-state portfolios and region-specific rate structures.
State-by-State Utility List
Arizona
• Arizona Public Service (APS)
• Salt River Project (SRP)
• Tucson Electric Power (TEP)
Nevada
• NV Energy
• Southwest Gas
Utah
• Rocky Mountain Power
• Enbridge Gas Utah
New Mexico
• Public Service Company of New Mexico (PNM)
• El Paso Electric
Wyoming
• Rocky Mountain Power
• Black Hills Energy
Idaho
• Idaho Power
• Intermountain Gas
Montana
• NorthWestern Energy
*We also work with a wide range of utilities across each Mountain West state, including smaller municipal, cooperative, water, and telecom providers.
Nationwide Coverage, Region-Specific Expertise
We also support clients nationwide, particularly those with properties spanning multiple utility territories.
Our approach is tailored to each utility’s rate structures, tariffs, and billing practices rather than relying on generic benchmarks.
We are best suited for commercial buildings, multifamily portfolios, public-sector entities, and mission-driven organizations with meaningful utility spend.
Credit: NASA
Energy Supply Markets Covered
In select deregulated markets, Peak Utility Advisors provides advisory support for electricity and natural gas supply contracts. Availability varies by utility type and state.
Electricity Supply Markets:
Michigan
Rhode Island
Natural Gas Supply Markets:
California
Colorado
Connecticut
Georgia
Illinois
Indiana
Iowa
Kentucky
Michigan
Montana
Nevada
New Mexico
Rhode Island
South Dakota
Texas
Virginia
West Virginia
Wyoming
Useful Resources
A full list of Deregulated Utility service areas that we work with can be accessed below: