Liberty Utilities time-of-use hours
On TOU-D-1, on-peak hours run 10 AM – 10 PM and 5 PM – 10 PM every day. Below is every active TOU rate plan we track for Liberty Utilities — 7 plans — with period boundaries verified against the published tariff. No price values; periods only.
Query Liberty Utilities 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.
Rate plan schedules
Every active time-of-use plan we track for Liberty Utilities, with its period boundaries.
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
| Period | Season | Days | Hours |
|---|---|---|---|
| On-Peak | Jun 1 – Sep 30 | Every day | 10 AM – 10 PM |
| Mid-Peak | Oct 1 – May 31 | Every day | 7 AM – 5 PM |
| On-Peak | Oct 1 – May 31 | Every day | 5 PM – 10 PM |
Frequently asked
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What are Liberty Utilities's on-peak hours?
On the TOU-D-1 plan (Time-of-Use Domestic Service), on-peak hours run from 10 AM – 10 PM and 5 PM – 10 PM every day. All remaining hours are classified as off-peak.
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Does Liberty Utilities charge more for electricity at certain times?
Yes. Liberty Utilities 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 7 active schedules; tou.tools does not publish pricing ($/kWh) details.
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How do I get Liberty Utilities 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 Liberty Utilities 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 Liberty Utilities's plans?
For customers on EV-specific plans like TOU-A-1-EV, TOU-A-2-EV, TOU-A-3-EV, TOU-D-1-EV, 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.