Is Public Service Co of Colorado cheaper than CORE Electric Cooperative?

They were effectively tied in 2024: Public Service Co of Colorado averaged 15.05 cents/kWh and CORE Electric Cooperative 15.04 (EIA-861) — less than $5 per year apart at 10,800 kWh.

Can I switch from Public Service Co of Colorado to CORE Electric Cooperative?

No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. Colorado has no residential supplier shopping either; rates are set in utility-commission proceedings.

Public Service Co of Colorado vs CORE Electric Cooperative: Which Is Cheaper? (Colorado, 2024)

Public Service Co of Colorado and CORE Electric Cooperative customers paid essentially the same in 2024: 15.05¢/kWh versus 15.04¢/kWh (EIA-861) — a dead heat, under $5 per year apart at typical usage (10,800 kWh/yr). Their territories meet in 11 CO counties (Adams, Arapahoe, Chaffee, …). You cannot switch wires companies — the territory is set by your address.

Side by side (CO, EIA-861)

Public Service Co of Colorado vs CORE Electric Cooperative — residential averages from federal EIA-861 filings
Metric	Public Service Co of Colorado	CORE Electric Cooperative
2024 average price, ¢/kWh	15.05	15.04
2023 average price, ¢/kWh	14.34	14.53
Annual cost at 10,800 kWh, $/yr	$1,625	$1,625
Residential customers (2024)	1,365,053	165,067
Ownership	Investor-owned	Co-op
Counties served in CO	56	11

Average price = residential revenue ÷ sales (bundled service): the all-in price customers actually paid, including supply, delivery and riders. Profiles: Public Service Co of Colorado · CORE Electric Cooperative · Colorado overview.

Where the territories meet

Both utilities file EIA-861 service territory in: Adams · Arapahoe · Chaffee · Clear Creek · Douglas · El Paso · Elbert · Fremont · Jefferson · Park · Teller counties (CO, 2024).

Adjoining or overlapping territory in a county does not mean households there can pick between the two — service maps are parcel-level and fixed. The county overlap mainly matters when choosing where to live or comparing town-level costs.

Can you actually choose between them?

No — not for delivery. Distribution territories are exclusive and set by address; Public Service Co of Colorado and CORE Electric Cooperative do not compete for the same meters. Colorado is a regulated retail market — there is no residential supplier shopping; rates are set in utility-commission proceedings (puc.colorado.gov). The price gap above mainly matters when choosing where to live, comparing towns, or benchmarking your bill.

Questions people ask

Is Public Service Co of Colorado cheaper than CORE Electric Cooperative?: They were effectively tied in 2024: Public Service Co of Colorado averaged 15.05 cents/kWh and CORE Electric Cooperative 15.04 (EIA-861) — less than $5 per year apart at 10,800 kWh.
Can I switch from Public Service Co of Colorado to CORE Electric Cooperative?: No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. Colorado has no residential supplier shopping either; rates are set in utility-commission proceedings.

About these numbers. Rates shown are averages computed from federal regulatory filings (EIA Form 861) and public tariff databases — confirm with your utility before making decisions; your actual rate depends on your tariff, usage, and riders. Distribution utility is determined by address and generally cannot be chosen; in retail-choice states you may choose your supplier for the supply portion of the bill. Savings figures use 10,800 kWh/yr (US average residential usage) and are estimates, not quotes. EnergySavings is an independent data project by CertiHomes and is not affiliated with any utility, supplier, or government agency.