Hawaii Electric Light Co Inc time-of-use hours

On EV-J, on-peak hours run 5 PM – 10 PM every day. Below is every active TOU rate plan we track for Hawaii Electric Light Co Inc — 2 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Hawaii Electric Light Co Inc periods programmatically.

One call returns the current period and the next transition time for any U.S. ZIP or address — GET /query/current over REST, or the same data through MCP for AI agents.

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Rate plan schedules

Every active time-of-use plan we track for Hawaii Electric Light Co Inc, with its period boundaries.

EV-J Electric Vehicle Charging Service - Demand Pilot (<200 kW) EV
PeriodSeasonDaysHours
Super Off-Peak All year Every day 9 AM – 5 PM
On-Peak All year Every day 5 PM – 10 PM
Effective
Jan 1, 2026
Verified
EV-P Electric Vehicle Charging Service - Demand Pilot (>=200 kW) EV
PeriodSeasonDaysHours
Super Off-Peak All year Every day 9 AM – 5 PM
On-Peak All year Every day 5 PM – 10 PM
Effective
Jan 1, 2026
Verified

Frequently asked

  1. What are Hawaii Electric Light Co Inc'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.

  2. Does Hawaii Electric Light Co Inc charge more for electricity at certain times?

    Yes. Hawaii Electric Light Co Inc 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.

  3. How do I get Hawaii Electric Light Co Inc 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.

  4. Do Hawaii Electric Light Co Inc 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.

  5. What is the best time to charge an EV under Hawaii Electric Light Co Inc'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.