United Illuminating Co Rates: Average Bill & Price per kWh

Residential rates for United Illuminating Co and how they compare to the Connecticut average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 11, 2026

Residential customers of United Illuminating Co average $174.20/month at 31.06¢/kWh — about level with the Connecticut average of $174.25.

Avg bill (2024)$174.20/moannual average Rate31.06¢/kWh Res. customers312,291 Bill rank#2 in CTof tracked utilities

Where United Illuminating Co rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

United Illuminating Co price per kWh (annual) ▲ 41.5% over 2019–2024
United Illuminating Co price per kWh (annual) 22.0¢ 26.5¢ 31.1¢ 31.1¢ 2019 2024
YearRateAvg billRes. customers
2019 21.96¢/kWh $124.97/mo 304,670
2020 23.2¢/kWh $136.28/mo 306,846
2021 23¢/kWh $135.43/mo 309,016
2022 22.29¢/kWh $127.79/mo 310,104
2023 29.15¢/kWh $159.71/mo 310,513
2024 31.06¢/kWh $174.20/mo 312,291

Rate context in Connecticut

Statewide residential price trend (12 months) — context for United Illuminating Co's 2024 annual figure.

Connecticut price per kWh (12 months) ▼ 11.9% over Jul 25–Jun 26
Connecticut price per kWh (12 months) 24.3¢ 28.3¢ 32.2¢ 24.3¢ Jul 25 Jun 26

United Illuminating Co vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasureUnited Illuminating CoConnecticut (latest month)
Avg bill $174.20/mo $174.25/mo
Rate 31.06¢/kWh 24.32¢/kWh

Cities served by United Illuminating Co

Common questions

How much is the average electric bill with United Illuminating Co?

United Illuminating Co residential customers averaged $174.20 per month in 2024 (EIA-861 annual data) — about $2,090.40 per year.

What does United Illuminating Co charge per kWh?

United Illuminating Co averaged 31.06¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does United Illuminating Co compare to the Connecticut average?

United Illuminating Co bills average $174.20 — about the same as the Connecticut average of $174.25 (latest EIA month).

How many customers does United Illuminating Co serve?

United Illuminating Co served 312,291 residential customers in 2024, per EIA-861 — one of the largest utilities we track in CT.

Data: Form EIA-861, 2024 annual residential figures for United Illuminating Co. Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.