Billing & Payments

Understanding your bill: primary and secondary large power rates

This short series sheds light on your monthly bill

You know you pay for the energy you use, but what are all those other items on your bill? Our Understanding Your Bill series helps break it down.

Large power: primary and secondary rates

At PEC, we offer different rates to fit your needs. Our large power members are our commercial and industrial members whose monthly use ranges between 75 and 10,000 kilowatts (kW). For these members, we offer a further rate breakdown: primary and secondary rates.

Primary rate

The primary rate is available to large power members receiving high voltage deliveries — 6 kilovolts (kV) or more — at locations where the member has either paid for the transformation facilities or where the delivery made to the member is 6 kV or more.

This rate generally applies to our biggest power consumers, like quarries and large manufacturing plants, which purchase power in vast quantities. The service availability charge is the same for both rates, but certain other line items (such as the delivery charge, capacity delivery charge and flat rate base power cost) are slightly lower for primary rate members.

Secondary rate

The secondary rate is available to large power members receiving secondary voltage deliveries — 6 kV or less — at locations using PEC-owned transformers.

“Based on our last cost of service analysis, the discount is due to the avoided cost of line losses,” PEC Rates and Pricing Manager Natalia Mack explained. “Additionally, primary rate members pay for their own transformer and service drop, which contributes to their discounted rate.”

Review our tariff to learn more about our large power and other rates. Curious about the breakdown of a residential bill? View our articles on franchise fees, base power cost, the service availability charge, the delivery charge and transmission cost of service.