When is the cheapest time to use electricity in Hawaii?
- Admin
- Nov 20
- 1 min read
Key Details on Oʻahu’s Time-of-Use (TOU) Rates
Daytime (9 a.m. – 5 p.m.) → Cheapest rate Around 26.5 cents/kWh, thanks to plentiful solar generation.
Overnight (9 p.m. – 9 a.m.) → Moderate rate Roughly 38.7 cents/kWh, lower than peak but higher than daytime.
Evening Peak (5 p.m. – 9 p.m.) → Most expensive rate About 46.3 cents/kWh, reflecting reliance on fossil fuel generation when solar is unavailable.
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