| Fixed-Rate Plan |
The energy supply rate remains unchanged during the agreed term. Delivery charges, taxes, and regulated fees may still change. |
Commonly 6–36 months |
Predictable supply costs and easier monthly budgeting. |
Early termination fees may apply; savings may be limited if market prices fall. |
Households that prefer price stability. |
| Variable-Rate Plan |
The supply rate can change according to market conditions and the plan’s pricing rules. |
Month-to-month or flexible |
Usually offers greater flexibility and may not include an early termination fee. |
Bills can increase when wholesale energy costs rise. |
Customers willing to monitor prices and accept fluctuations. |
| Time-of-Use Plan |
Different rates apply during peak, off-peak, and sometimes shoulder periods. |
Varies by market and provider |
Potential savings when electricity use is shifted to lower-cost hours. |
Requires tracking schedules; peak-hour use may cost more. |
Homes with smart meters and flexible usage patterns. |
| Indexed-Rate Plan |
The supply rate follows a published market index or formula, often with an added margin or fee. |
Usually flexible or fixed for a defined period |
Pricing may reflect market movements more directly. |
The formula can be complex, and monthly costs may be volatile. |
Experienced customers who understand market-based pricing. |
| Prepaid Electricity Plan |
Customers add funds before use; the account balance decreases as electricity is consumed. |
Flexible; rules vary by jurisdiction |
Can help monitor usage and avoid traditional monthly bills or deposits in some markets. |
Service may be interrupted if the balance reaches zero; rates and fees can be higher. |
Customers who want close control over electricity spending. |
| Renewable-Energy Plan |
The plan supports renewable generation through renewable energy certificates or direct renewable supply, depending on the product. |
Often 6–36 months |
May support renewable generation and help meet environmental goals. |
The supply rate or monthly fee may be higher; environmental claims should be checked carefully. |
Customers prioritizing renewable-energy support. |