Updated: March 2026
Commercial rate guide for HECO — Hawaii (Oahu, Maui County, and Hawaii Island). Sole electric utility for most of the Hawaiian Islands.
Schedule G (general service non-demand) and Schedule J (large power) with demand charges. Energy cost adjustment reflecting imported fuel costs. Highest commercial rates in the United States driven by oil-fired generation.
Rising
3.8% rate increase effective January 2026 approved by HI PUC, partially offset b
3.8% rate increase effective January 2026 approved by HI PUC, partially offset by declining fuel cost adjustments as renewable generation increases
Property managers with HECO accounts frequently encounter these billing challenges:
Extremely high rates driven by imported fossil fuel dependency
Energy cost adjustment volatility tied to oil prices
Solar interconnection and net metering policy changes
Demand charges on Schedule J accounts during peak periods
Inter-island rate differences between Oahu, Maui, and Hawaii Island
The utility is the sole provider in this service territory.
Hawaii is a regulated electric market. Hawaiian Electric is the vertically integrated utility regulated by the HI PUC. No competitive supply choice. State mandates 100% renewable energy by 2045.
Performance-based regulation (PBR) framework implementation under HI PUC review; grid modernization and renewable integration cost recovery
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