Hawaii Electric Light peak
& off-peak hours
Below is every active TOU rate plan we track for Hawaii Electric Light — 2 plans — with period boundaries verified against the published tariff. No price values; periods only.
Rate Plans
EV-J Electric Vehicle Charging Service - Demand Pilot (<200 kW)
EV| Period | Season | Days | Hours |
|---|---|---|---|
| Super Off-Peak | All year | Every day | 9 AM – 5 PM |
| On-Peak | All year | Every day | 5 PM – 10 PM |
EV-P Electric Vehicle Charging Service - Demand Pilot (>=200 kW)
EV| Period | Season | Days | Hours |
|---|---|---|---|
| Super Off-Peak | All year | Every day | 9 AM – 5 PM |
| On-Peak | All year | Every day | 5 PM – 10 PM |
Use these Hawaii Electric Light hours in your app.
Current period and next transition for any ZIP or address.
FAQ's
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What are Hawaii Electric Light's on-peak hours?
On the EV-J plan (Electric Vehicle Charging Service - Demand Pilot (<200 kW)), on-peak hours run from 5 PM – 10 PM every day. All remaining hours are classified as off-peak.
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Does Hawaii Electric Light charge more for electricity at certain times?
Yes. Hawaii Electric Light offers time-of-use (TOU) rate plans where electricity costs vary depending on the period. The period—peak, off-peak, mid-peak, or super off-peak—depends on the time, day, and season. This page lists boundaries for 2 active schedules; tou.tools does not publish pricing ($/kWh) details.
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How do I get Hawaii Electric Light time-of-use periods in my app?
Schedules are accessible programmatically via the tou.tools REST API and MCP server for AI agents. By querying a U.S. address or ZIP code, your application can instantly retrieve the current period and next scheduled transition time. Developer API keys are free.
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Do Hawaii Electric Light time-of-use hours change during holidays or seasons?
Yes. Peak hours and rate periods can vary by season (typically summer and winter halves) and special holidays. While some schedules like E-ELEC keep stable hours year-round, others introduce super off-peak windows or adjust peak times. Check each rate plan card above for specific seasonal boundaries.
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What is the best time to charge an EV under Hawaii Electric Light's plans?
For customers on EV-specific plans like EV-J, EV-P, the most cost-effective time to charge is during super off-peak or off-peak hours. Charging during these designated windows significantly reduces electricity costs and minimizes demand on the grid.