To those on SRP’s time-of-use plan, reprogram your thermostats! On May 1st we’ll be entering into the expensive months.
- 1pm – 8pm weekdays are “on-peak”: 17.83Â¢/kWh.
- All other hours and holidays are “off-peak”: 4.88Â¢/kWh.
From here. If you live in a hot area and do not have a programmable thermostat, you absolutely must get one. If you live in Phoenix you’ll more than recoup the cost in a single summer.