Hawaiian Electric Company (HECO) (Hawaiian Electric Co Inc)

investor-ownedOfficial website →
Last verified (benchmark)
Feb 25, 2026
Last verified (tariff snapshot)
Feb 25, 2026
EIA data year
2024
EIA updated
Mar 4, 2026
Page updated
Feb 25, 2026

Hawaiian Electric Company (HECO), operating as Hawaiian Electric Co Inc, is an investor-owned electric utility serving customers in Hawaii. Oahu electric. Schedule R: 350 @ 35.39¢, 850 @ 36.80¢, over 1200 @ 39.09¢. ECRC adjusts monthly.

This page brings together tariff-based rate information from our research, federal EIA statistics on sales and generation when available, and the cities and states this provider serves.

Residential rates

Tariff snapshot (Urban Honolulu, HI)

Customer charge
$15.47/mo
Energy charge (example tier)
38.50¢/kWh

Seasonal/tiered rates and riders may apply. Example tier used in our estimates.

hawaiianelectric.com· verified 2026-02-25

Example bill at 1,000 kWh (derived from tariff snapshot): $400.47/mo

Based on snapshot; excludes local taxes/fees; riders may vary.

For city-specific estimates (including water, sewer, trash), see Urban Honolulu's full breakdown

Typical bill benchmark (regulator / utility)

Typical residential bill at 1,000 kWh (example): $400.00/mo (40.00¢/kWh)

hawaiianelectric.com· verified 2026-02-25

Schedule R tiered + ECRC (monthly). Effective rate ~39-42¢/kWh varies with ECRC. Customer $14.02 + GIF $1.45.

Benchmarks reflect typical delivered bills; tariff snapshots show a specific rate schedule component used in our estimates.

Our estimates use tariff and official rate data from utility and regulatory sources. See our methodology for how we calculate bill estimates.

EIA Form 861 & 860 data (2024)

Supplemental data from the U.S. Energy Information Administration. Our tariff-based rates above remain primary for bill estimates. EIA data provides context on scale and generation.

Residential statistics

Avg. price (EIA)
42.87¢/kWh
EIA "avg price" reflects the full delivered price over the year (including riders/delivery and seasonal effects), so it can be higher than a single tariff energy tier.
Residential sales
1.5M MWh
Customers
276.2K
Revenue
$645.4M

Generation mix (capacity)

1.6% renewable · 1,277.7 MW total

  • Residual fuel oil981.7 MW
  • Distillate oil215.6 MW
  • Obl60.4 MW
  • Solar20 MW

Sources: EIA-861 (sales, revenue, customers), EIA-860 (generation).

States & cities served

Cities in our dataset where this provider offers electric service. Click through to see utility cost estimates for each city.

Data sources

  • Our research: Tariff documents, PSC/regulatory filings, and official utility rate schedules. Each city page cites sources and last-verified dates.
  • EIA (2024): Form 861 (sales, revenue, customers) and Form 860 (generation capacity by fuel). Supplementary context; our tariff-based rates remain primary for bill estimates.

Methodology · All providers

Explore more

Compare utility costs by state

Explore average utility costs across all cities and states in our dataset.

Compare average utility costs by state

Understanding electricity costs

Learn how electric bills are calculated, what drives usage, and how rates vary by market.

View all utility guides →