Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales · How we got these numbers · Report an error
City of Longmont: 12.30 ¢/kWh for homes, 19 minutes of SAIDI
City of Longmont is an municipal utility serving 43,741 customer accounts in Colorado; 40,855 of them are residential. Its home price moved +30.9% from 2015 to 2024, 7.8 points faster than Colorado.
At 691 kWh a month a City of Longmont home pays about $85 in energy: 12.30 ¢/kWh, 17.6% below the Colorado average of 14.92 ¢.
Its home price moved +30.9% from 2015 to 2024, 7.8 points faster than Colorado.
City of Longmont: price path since 2015
Home price since 2015
+30.9%Colorado +23.1%, a gap of +7.8 points
The record that sets City of Longmont apart is the path of its home price: 9.40 ¢ in 2015, 12.30 ¢ in 2024. That is +30.9%, while the Colorado average went +23.1%, so this utility climbed faster by 7.8 points.
Among Colorado utilities with 20,000+ homes it stood 2nd cheapest of 15 in 2015 and is 3rd of 15 in 2024, so it fell down the list.
How it compares
City of Longmont
City of Longmont, 2024
Home
Business
Bill
SAIDI
City of Longmont
12.30 ¢/kWh
11.04 ¢/kWh
$85at 691 kWh
19 minSAIDI
Colorado average against this company, which is 3 of 15 on price
No 2025 early-release row for City of Longmont; 2024 stays the latest year.
City of Longmont 2024 against Colorado 2025
-3.55 ¢12.30 ¢ for City of Longmont in 2024, 15.85 ¢ for Colorado in 2025
No 2025 line exists yet for City of Longmont, so 12.30 ¢/kWh and a SAIDI of 19 minutes (2024, 40,855 homes) are the latest figures.
Carbon context
City of Longmont serves 40,855 homes in Colorado. At 691 kWh a month that is about 340 kg of CO₂, or 4,084 kg a year, at the Colorado plant rate, state generation and not this utility: Colorado generation mix.
City of Longmont charts
Residential price since 2015: 12.30 ¢ in 2024
9.40 ¢ in 2015, 12.30 ¢ in 2024 (+30.9%); Colorado 12.12 to 14.92 ¢.
City of Longmont residential price 2015-2024, 2015 to 2024: 10 rows
From 9.40 ¢ in 2015 to 12.30 ¢ in 2024, a move of +30.9%: City of Longmont outpaced its state (+23.1%) by 7.8 points, and +0.6 points against the U.S. City of Longmont's sharpest move came in 2024, +6.1%. The latest year is the high at 12.30 ¢; the low was 9.29 ¢ (2016). 2024: +6.1% here, +4.3% for the Colorado average. City of Longmont filed SAIDI in only 1 year of this window, too few for a trend. City of Longmont has 2 cheaper and 12 higher-priced Colorado peers among 15 with 20,000+ homes. Next cheaper, Poudre Valley REA, Inc, bills 12.21 ¢ (-0.09). Next higher-priced, City of Fort Collins, bills 13.21 ¢ (+0.91).
The data favor customers here: bills run 17.6% under the Colorado norm, and 19 outage minutes sit 81% under the national median.
Home accounts at City of Longmont went from 35,465 in 2015 to 40,855 in 2024, +15.2%. Business customers paid 0.90 times the home price in 2024 (11.04 against 12.30 ¢); the ratio was 0.83 in 2015.
Outages and home price of City of Longmont (EIA utility 11187), 2013 to 2024
Home rates at City of Longmont climbed from 8.79 ¢ in 2013 to 12.30 ¢ in 2024 (+40.0%), or 12.14 ¢ to 12.62 ¢ in 2025 dollars (+4.0%). Over 12,000 kWh a year the real price meant $1,457 in 2013 and $1,515 in 2024. Of 35 Colorado utilities with 1,000+ home accounts in 2024, City of Longmont stood 7th cheapest (6th of 37 in 2013).
City of Longmont home price since 2013: +4.0% after inflation
City of Longmont: 12.62 ¢ in 2025 dollars (solid) and 12.30 ¢ as billed (dashed) in 2024.
City of Longmont, EIA utility 11187, year by year among Colorado utilities
City of Longmont 2013-2024: 12 rows
Year, City of Longmont
¢ billed
¢ in 2025 $
Price place, City of Longmo
SAIDI min
SAIFI
SAIDI place, City of Longmo
Colorado median SAIDI
2013
8.79
12.14
6 of 37
–
–
–
–
2014
9.24
12.57
7 of 39
–
–
–
–
2015
9.40
12.77
5 of 39
–
–
–
–
2016
9.29
12.47
4 of 39
–
–
–
–
2017
9.71
12.76
3 of 39
–
–
–
–
2018
9.70
12.44
3 of 39
–
–
–
–
2019
9.73
12.26
5 of 47
–
–
–
–
2020
10.25
12.76
5 of 33
–
–
–
–
2021
10.81
12.84
6 of 34
–
–
–
–
2022
11.10
12.21
4 of 34
–
–
–
–
2023
11.59
12.25
5 of 35
–
–
–
–
2024
12.30
12.62
7 of 35
19
0.47
4 of 17
74
City of Longmont, EIA utility 11187: EIA-861, CPI-U.
How many customers does City of Longmont serve in Colorado?
43,741 accounts in 2024: residential 40,855, commercial 2,873, industrial 13.
What is the average residential rate of City of Longmont?
In 2024 homes paid 12.30 cents; against the Colorado average that is -17.6%.
How reliable is City of Longmont by SAIDI and SAIFI?
SAIDI 19.3 min and SAIFI 0.47 a year, major events excluded; ratio to the national median 0.19, CAIDI 41 min.
How much solar net metering is on the City of Longmont grid?
1,038 installations with 8.0 MW, of which residential installations number 1,010.
What is the monthly bill at City of Longmont for average use?
691 kWh at 12.30 cents comes to about $85, energy only.
How does City of Longmont rank on price within Colorado?
Rank 3 of 15 in Colorado on price, -17.6% against the state average; 2 charge less than 12.30 ¢.
How much of the City of Longmont load is business?
Homes take 41.5% of 817,331 MWh, commercial accounts 41.8%, industrial and other 16.7%; the 2,873 commercial accounts use 118,960 kWh each, 14.3 times a home.
Does City of Longmont have smart meters or TOU rates?
42,274 of 42,607 home meters are AMI, 99.2%. City of Longmont reports no home time-of-use rate; 18 of 24 Colorado filers do.
Since 2015, has City of Longmont become cheaper than other Colorado utilities?
2nd cheapest of 15 in 2015, 3rd of 15 in 2024; its price rose 30.9% while Colorado rose 23.1%.
Where does City of Longmont stand among 3 peers?
Place 1 of 4 on home price at 12.30 ¢ (Colorado municipals); median 13.80 ¢, cheapest member 12.30 ¢.
Has City of Longmont filed 2025 data with EIA?
City of Longmont has no early-release row; 2024 stands at 12.30 cents and 19 SAIDI minutes.
Utilities with a similar home price
Home prices nearest to City of Longmont at 12.30 ¢/kWh in 2024, among companies with a page here, any state.