Kentucky Utilities Co

KU offers a voluntary residential Time-of-Day Energy rate (Rate RTOD-Energy) as an opt-in alternative to the standard residential rate. On-peak hours are weekdays from 6 am to 10 am and 6 pm to 10 pm Eastern Standard Time in winter, shifting to a single weekday on-peak window of 2 pm to 6 pm Eastern Daylight Time from April through October, with brief transition weeks in March and November at 7 am to 11 am and 7 pm to 11 pm. All weekend hours are off-peak. The Kentucky PSC approved a rate settlement, with modifications, on February 16, 2026 (Case No. 2025-00113); the current approved rates are in the KU tariff on file at psc.ky.gov/tariffs.

KU does not offer a separate rebate for purchasing or installing a Level 2 EVSE. The utility's EV financial program is the Optimized EV Charging demand response initiative: residential customers who enroll a qualifying Wi-Fi-connected Level 2 smart charger or compatible EV receive a one-time $25 enrollment incentive and an ongoing $5 monthly participation incentive. Enrollment and account management occur through the GreaterGrid (formerly ChargingRewards) platform; the program page also lists small commercial customers on the GS rate as eligible. The utility may invoke up to 10 demand response events per year during periods of extreme grid stress; participants who opt out of those events forfeit the monthly incentive and may be disenrolled. The RTOD-Energy rate and the Optimized EV Charging program can be used independently.

KU is an integrated investor-owned utility in a traditionally regulated state; the Kentucky PSC sets its rates through contested rate cases rather than through a competitive retail market. KU also serves a small slice of southwestern Virginia, where it operates as Old Dominion Power.

For the state-level picture, including why Kentucky offers no state EV or charger rebate, see our [Kentucky state guide](/states/ky).