Standard Billing Rates:
As of July 1, 2025, the below are the billing rates in effect for the standard service rate classes - residential (Rate Class R), general commercial (Rate Class C), and large commercial (Rate Class L).
Residential: Rate Class R (Prepay: Rate Class P)
| Billing Component | Rate |
| Monthly Facilities Charge | $6.82 per customer account |
| Energy Charge (per kWh) | $0.1356 per kWh* |
General Commercial: Rate Class C (Prepay: Rate Class PB)
| Billing Component | Previous Rate |
| Monthly Facilities Charge | $37.70 per customer account |
| Energy Charge (per kWh) | $0.1519 per kWh* |
Large Commercial: Rate Class L
| Billing Component | Previous Rate |
| Monthly Facilities Charge | $197.69 per customer account |
| Energy Charge (per kWh) | $0.0439 per kWh* |
| Monthly Demand Charge (per kW) | $10.52 per kW |
| Additional Capacity Charge (per kW) | $25.46 per kW |
Definitions:
- kWh - kilowatt-hours (energy consumption)
- kW - kilowatt (power demand)
Notes:
The above rate schedules does not include the following:
- Charges for fuel costs and government fuel duty
- Charges for renewable energy purchased from Power Purchase Agreements and CORE/DER Agreements
- License and regulatory fees
- Charges for optional services, such as Security Lighting (Dusk to Dawn Lighting). These charges are added to billing statements separately, as applicable
Customer Owned Renewable Energy (CORE) Credit Rates
For CORE customers approved under the most recent Agreement Terms (November 2024 Revision):
| Installed System Capacity (kW AC) | CORE Credit Rate (per kWh) |
| 0 kW - 7.5 kW | -$0.210 per kWh |
| 7.5 kW - 15 kW | -$0.175 per kWh |
| 0 kW - 5 kW (NHDT¹) | -$0.28 per kWh (NHDT Only) |
| 0 kW - 100 kW (Public Sector²) | -$0.21 per kWh (Public Sector Only) |
- Eligibility limited to National Housing Development Trust applicants
- Eligibility limited to the Cayman Islands Government, Statutory Authorities, and Government-Owned Companies applicants