What is the average electricity rate in Hawaii?

47.18¢ per kilowatt-hour for residential customers in August 2026, per EIA's Electric Power Monthly.

Is it cheaper to charge at home or use public chargers?

Home charging at the residential rate is almost always cheaper. Public DC fast charging is typically priced several times higher per kilowatt-hour.

Does my utility offer a cheaper EV rate?

Many do, and in high-rate states the overnight EV rate can be less than half the state average used here. It is worth checking your utility's rate schedule before assuming the average applies to you.

Home › States › Hawaii

EV charging costs in Hawaii

Residential electricity in Hawaii averaged 47.18¢ per kilowatt-hour in August 2026, 160% above the national average. Across 70 current electric cars, a year of home charging runs from $1,393 (2027 Lucid Air Pure RWD) to $3,839 (2025 GMC Hummer EV SUV 2X).

Rate: 47.18¢
A year ago: 38.53¢
U.S. average: 18.16¢
Rank: most expensive

Assumptions: 12,000 miles a year, home Level 2 charging, and EPA combined consumption measured at the wall (so charging losses are already included). Gasoline comparison uses $3.50 a gallon at 30 MPG. Change any of these in the calculator.

Every model, cheapest first

Vehicle	mi/kWh	Per mile	Full charge	Per year
2027 Lucid Air Pure RWD	4.06	11.6¢	$48.78	$1,393
2025 Tesla Model 3 Long Range RWD	4.06	11.6¢	$42.18	$1,393
2027 Toyota bZ	3.90	12.1¢	$38.03	$1,455
2027 Lucid Air Touring AWD	3.81	12.4¢	$53.36	$1,483
2025 Tesla Model 3 Long Range AWD	3.79	12.5¢	$43.08	$1,495
2027 Audi A6 e-tron ultra	3.78	12.5¢	$49.30	$1,500
2027 Toyota bZ LIMITED	3.72	12.7¢	$37.89	$1,523
2026 Lexus ES 350e	3.67	12.9¢	$39.49	$1,546
2026 Lexus RZ 350e FWD	3.65	12.9¢	$38.88	$1,551
2027 Subaru Solterra AWD	3.58	13.2¢	$37.98	$1,585
2027 Toyota bZ AWD	3.57	13.2¢	$38.03	$1,585
2027 Lucid Air G Touring XR AWD	3.54	13.3¢	$68.22	$1,597
2027 Audi A6 e-tron quattro ultra	3.48	13.5¢	$48.83	$1,625
2027 Kia EV3 Long Range FWD	3.45	13.7¢	$43.92	$1,642
2027 Mercedes-Benz CLA250 Plus with EQ Tech	3.45	13.7¢	$51.19	$1,642
2027 Mercedes-Benz CLA350 4matic with EQ Tech	3.45	13.7¢	$42.70	$1,642
2026 Audi Q4 45 e-tron	3.40	13.9¢	$39.96	$1,665
2026 BMW i4 eDrive40 Gran Coupe	3.35	14.1¢	$46.85	$1,687
2026 Volkswagen ID.4	3.36	14.1¢	$40.91	$1,687
2027 Hyundai Ioniq 5 RWD	3.33	14.2¢	$45.01	$1,698
2025 Polestar 2 Single Motor	3.31	14.2¢	$44.77	$1,710
2027 Audi A6 e-tron	3.30	14.3¢	$49.82	$1,715
2026 Volvo EC40	3.16	15.0¢	$44.54	$1,795
2027 Audi A6 e-tron quattro	3.13	15.1¢	$49.35	$1,812
2027 Lucid Air Sapphire AWD	3.11	15.1¢	$64.73	$1,817
2027 Chevrolet Blazer EV FWD	3.10	15.2¢	$47.51	$1,829
2026 Honda Prologue FWD	3.07	15.3¢	$47.27	$1,840
2027 Hyundai Ioniq 5 AWD	3.02	15.6¢	$45.25	$1,874
2026 Porsche Macan Electric	3.00	15.7¢	$52.23	$1,885
2026 Honda Prologue AWD Touring	2.93	16.1¢	$47.27	$1,931
2026 Porsche Macan 4 Electric	2.93	16.1¢	$52.23	$1,936
2025 Nissan ARIYA EVOLVE+ FWD 87kWh	2.91	16.2¢	$46.85	$1,948
2026 Genesis Electrified G80	2.86	16.5¢	$49.54	$1,982
2025 Chevrolet Blazer EV RWD	2.83	16.7¢	$55.67	$1,999
2026 Dodge Charger Daytona R/T AWD 255/45R20	2.81	16.8¢	$49.54	$2,016
2026 Lucid Gravity Dream	2.75	17.2¢	$72.09	$2,061
2026 Porsche Macan GTS Electric	2.72	17.3¢	$50.91	$2,078
2026 Cadillac LYRIQ	2.72	17.4¢	$56.66	$2,083
2027 Cadillac LYRIQ 11kW Charger	2.72	17.4¢	$56.62	$2,083
2027 Cadillac LYRIQ 19kW Charger	2.72	17.4¢	$56.62	$2,083
2026 Porsche Macan 4S Electric	2.72	17.4¢	$50.34	$2,083
2026 Acura ZDX RWD	2.71	17.4¢	$56.85	$2,089
2026 Porsche Macan Turbo Electric	2.71	17.4¢	$50.95	$2,089
2026 Acura ZDX AWD	2.65	17.8¢	$57.47	$2,134
2026 Jeep Wagoneer S AWD	2.66	17.8¢	$52.23	$2,134
2026 Polestar 3 Long Range Dual Motor	2.53	18.6¢	$58.22	$2,236
2026 Cadillac LYRIQ AWD	2.52	18.7¢	$56.76	$2,248
2027 Chevrolet Blazer EV AWD SS	2.52	18.7¢	$56.52	$2,248
2026 Acura ZDX AWD Type S	2.46	19.2¢	$56.66	$2,299
2026 Cadillac CELESTIQ	2.40	19.7¢	$59.59	$2,361
2027 Rolls-Royce Spectre	2.37	19.9¢	$64.45	$2,389
2027 Rolls-Royce Spectre Black Badge	2.37	19.9¢	$64.45	$2,389
2025 Mercedes-Benz AMG EQS 4matic Plus	2.33	20.2¢	$63.69	$2,423
2026 Tesla Cybertruck AWD	2.33	20.2¢	$65.77	$2,429
2026 Tesla Cybertruck Dual Motor AWD	2.33	20.2¢	$65.86	$2,429
2026 Rivian R1S All-Terrain Dual Max	2.31	20.4¢	$75.44	$2,446
2026 Tesla Cybertruck Long Range	2.31	20.5¢	$68.51	$2,457
2026 Rivian R1S All-Terrain Dual Large	2.25	20.9¢	$60.48	$2,514
2026 Rivian R1S All-Terrain Performance Dual Large	2.25	20.9¢	$60.48	$2,514
2026 Rivian R1S All-Terrain Dual Large Plus	2.13	22.1¢	$64.59	$2,655
2026 Rivian R1S All-Terrain Performance Dual Large Plus	2.13	22.1¢	$64.59	$2,655
2025 Ford F-150 Lightning 4WD ER2	2.13	22.2¢	$66.48	$2,661
2025 Ford F-150 Lightning 4WD ER1	2.09	22.6¢	$72.33	$2,712
2025 Ford F-150 Lightning 4WD PRO ER1	2.09	22.6¢	$72.33	$2,712
2025 Ford F-150 Lightning Platinum 4WD	1.97	23.9¢	$71.76	$2,870
2025 GMC Sierra EV	1.91	24.7¢	$96.34	$2,967
2025 GMC Hummer EV Pickup 3X	1.48	31.9¢	$99.69	$3,833
2025 GMC Hummer EV SUV 3X	1.48	31.9¢	$99.69	$3,833
2025 GMC Hummer EV Pickup 2X	1.47	32.0¢	$102	$3,839
2025 GMC Hummer EV SUV 2X	1.47	32.0¢	$101	$3,839

A 30 MPG gasoline car covering the same 12,000 miles costs $1,400 a year in fuel at $3.50 a gallon, so in Hawaii the average electric car on this list is $719 a year more expensive to fuel.

Questions

What is the average electricity rate in Hawaii?: 47.18¢ per kilowatt-hour for residential customers in August 2026, per EIA's Electric Power Monthly.
Is it cheaper to charge at home or use public chargers?: Home charging at the residential rate is almost always cheaper. Public DC fast charging is typically priced several times higher per kilowatt-hour.
Does my utility offer a cheaper EV rate?: Many do, and in high-rate states the overnight EV rate can be less than half the state average used here. It is worth checking your utility's rate schedule before assuming the average applies to you.