Connecticut time-of-use hours by utility

Every Connecticut electric utility we track with at least one active time-of-use rate plan, with peak and off-peak hours verified against the published tariff. Periods only — no price values.

1Utilities covered
7Active TOU plans
288ZIP codes covered

Every TOU schedule on this page verified since

Utilities in Connecticut

Sorted by number of customers served in Connecticut.

Frequently asked

  1. What are the typical time-of-use on-peak hours in Connecticut?

    All 1 residential TOU plan tou.tools tracks in Connecticut place on-peak hours at 12 PM – 8 PM. Every hour outside the on-peak (and any mid-peak) window is billed as off-peak. Exact boundaries vary by utility and plan — see each utility's schedule above.

  2. Which electric utilities in Connecticut offer time-of-use rate plans?

    tou.tools tracks 1 Connecticut utility with at least one active TOU rate plan — 7 active schedules in total. The largest by customers served is Connecticut Light & Power Co. They span investor-owned utilities. The full list above is sorted by customers served.

  3. Do Connecticut time-of-use peak hours apply on weekends?

    On the residential TOU plans we track in Connecticut, on-peak hours apply on weekdays only — weekends are off-peak across all 1 plan. Many tariffs also treat observed holidays as off-peak; the Days column in each schedule above shows the exact rule.

  4. Do Connecticut time-of-use hours change by season?

    Not on the plans we track. All 1 residential TOU plans in Connecticut keep the same period hours year-round. Each schedule above lists its exact season dates.

  5. How do I find which Connecticut utility serves a specific address or ZIP code?

    tou.tools maps 288 Connecticut ZIP codes to the utilities that serve them. Because service territories can overlap, a ZIP may return more than one candidate utility; supplying a full street address resolves it to a single utility via a geocoded point-in-territory lookup. The REST API and MCP server both return the matching utility and its current TOU period.

For developers & agents

Time-of-use periods for all of Connecticut, one API.

Resolve any Connecticut ZIP or address to its utility and get the current period plus the next transition — over REST or MCP.