Long Island Power Authority time-of-use hours

On RC194, on-peak hours run 3 PM – 7 PM on weekdays. Below is every active TOU rate plan we track for Long Island Power Authority — 10 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Long Island Power Authority 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.

Get a free API key Read the docs

Rate plan schedules

Every active time-of-use plan we track for Long Island Power Authority, with its period boundaries.

RC194 Residential Service - Rate Code 194 (2-period TOU) Residential
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 7 PM
Effective
Jan 1, 2026
Verified
RC195 Residential Service - Rate Code 195 (3-period TOU) Residential
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 7 PM
Super Off-Peak All year Every day 10 PM – 6 AM
Effective
Jan 1, 2026
Verified
RC284 Large General/Industrial MRP - Rate Code 284 Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Every day 11 PM – 7 AM
On-Peak Jun 1 – Sep 30 Mon–Fri 12 PM – 8 PM
Effective
Jan 1, 2026
Verified
RC285 Large General/Industrial MRP - Rate Code 285 Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Every day 12 AM – 7 AM
On-Peak Jun 1 – Sep 30 Mon–Sat 10 AM – 10 PM
Effective
Jan 1, 2026
Verified
RC292 Voluntary Small General TOU - Rate Code 292 Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 7 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
RC294 Voluntary Large Demand-Metered TOU - Rate Code 294 Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 7 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
RCM284 Large General/Industrial MRP - Rate Code M284 (modified peak window) Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Every day 11 PM – 7 AM
On-Peak Jun 1 – Sep 30 Mon–Fri 3 PM – 8 PM
Effective
Jan 1, 2026
Verified
RCM285 Large General/Industrial MRP - Rate Code M285 (modified peak window) Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Every day 12 AM – 7 AM
On-Peak Jun 1 – Sep 30 Mon–Fri 3 PM – 10 PM
Effective
Jan 1, 2026
Verified
SC2-EVC-281 Commercial EV Charging Rates for 281 Customers EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 7 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Oct 1, 2025
Verified
SC2-EVC-285 Commercial EV Charging Rates for 285 Customers EV
PeriodSeasonDaysHours
Super Off-Peak All year Every day 11 PM – 6 AM
On-Peak Jun 1 – Sep 30 Mon–Fri 3 PM – 7 PM
Effective
Jan 1, 2026
Verified

Frequently asked

  1. What are Long Island Power Authority's on-peak hours?

    On the RC194 plan (Residential Service - Rate Code 194 (2-period TOU)), on-peak hours run from 3 PM – 7 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Long Island Power Authority charge more for electricity at certain times?

    Yes. Long Island Power Authority 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 10 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Long Island Power Authority 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 Long Island Power Authority 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 Long Island Power Authority's plans?

    For customers on EV-specific plans like SC2-EVC-281, SC2-EVC-285, 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.