EIA data through August 2026 · updated 2026-10-29

Electricity rates in 80502 — Longmont, CO

Homes in ZIP 80502 pay about 12.3¢ per kWh (City of Longmont, 2024 average). The Colorado average is 17.2¢ and the U.S. average 18.2¢ (Aug 2026).

Avg. home price12.3¢per kWh
UtilityCity of Longmont
CO average17.2¢Aug 2026
U.S. average18.2¢Aug 2026
Avg. monthly bill$85691 kWh/month, 2024

What a month of electricity costs

500 kWh / month$62
700 kWh / month · avg. use$86
900 kWh / month$111
1,200 kWh / month$148

Monthly cost at the average price of 12.3¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Where ZIP 80502 is

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Utilities serving 80502

UtilityHome priceAvg. billCustomers in CO
City of Longmont
Municipal
12.3¢
2024
$8540,855
Public Service Co. of Colorado
Investor Owned · serves Boulder
16.9¢
Jan–Aug 2026
$901,365,053
United Power, Inc.
Cooperative · serves Boulder
18.9¢
Jan–Aug 2026
$128101,502
Poudre Valley REA, Inc.
Cooperative · serves Boulder
12.9¢
Jan–Aug 2026
$10849,587
Town of Estes Park
Municipal · serves Boulder
15.6¢
2024
$15211,250
Town of Lyons (CO)
Municipal · serves Boulder
12.6¢
2024
$1161,126

Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Boulder; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.

Colorado price trend

12¢14¢16¢18¢20¢20222023202420252026Colorado averageU.S. average 12¢14¢16¢18¢20¢20222023202420252026Colorado averageU.S. average
Colorado averageU.S. average
Aug 202617.2¢per kWh
vs. 1 year ago+5.9%16.2¢
vs. 5 years ago+27.2%13.5¢
Record high17.2¢Aug 2026
Avg. home bill$167973 kWh, Aug
EIA forecast, Mountain14.7¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Mountain region, which includes Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming.

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions about 80502

How much does electricity cost in 80502?

About 12.3¢ per kWh for homes (City of Longmont, 2024 average, EIA). At 900 kWh a month that is roughly $111.

Who is the electric utility for 80502?

City of Longmont, with about 40,855 residential customers in Colorado; 5 other utilities also serve parts of the area.

Is electricity in CO getting more expensive?

The Colorado residential average was 17.2¢ per kWh in August 2026, up 5.9% from a year earlier; the U.S. average was 18.2¢.