WattPayoff takes your actual hourly usage from PG&E and calculates what it would have cost on each currently offered PG&E residential rate plan, side by side, for the last 365 days or any range you pick. The cheapest plan is marked, and your current plan is labeled, so the difference is visible at a glance.
Rate comparisons show what different plans would have cost for past usage. Rate eligibility and future savings may vary.
What does the comparison show?
- Each rate plan and what your usage would have cost on it.
- Your current plan, labeled "My Tariff".
- The lowest-cost plan, labeled "Lowest Cost", and the difference from yours.
- Tap any row for that plan's details.
- Export the analysis to email (the app's Export To Email option).
- Your Medical Baseline, CARE or FERA discount in each plan's cost, if you turn that setting on in My Account (CARE and FERA never apply on EV-B).
The lowest-cost plan is a cost comparison, not a check of your eligibility. The app leaves EV-B out of its recommendations because it needs a second meter, and it doesn't check whether you qualify for EV2-A or E-ELEC, which have equipment requirements, so confirm eligibility with PG&E before switching.
Can I compare a period shorter than a year?
Yes. Choose one day, one month, one year, the last 365 days, your lifetime with the app, a single billing cycle, or a custom range with exact start and end dates, such as the weeks since you got an EV or changed when you run the washer. A full year is the fairest comparison, because PG&E's summer and winter prices differ.
Frequently asked questions about comparing rates
E-TOU-C or E-TOU-D if I work from home?
The better of E-TOU-C and E-TOU-D depends on your hours, which is why the comparison uses yours. E-TOU-C's peak runs 4 to 9 pm every day; E-TOU-D's runs 5 to 8 pm on weekdays only, with no baseline credit. Afternoon air conditioning at home can tip the answer either way. (PG&E tariffs, effective 2026-06-01.)
Does the comparison include the Base Services Charge?
Yes. The comparison includes the Base Services Charge on the plans that carry it, which began in March 2026, and part-peak periods. Before March 2026 only E-ELEC had a fixed Base Services Charge ($15 a month); the other plans had a minimum delivery charge. The app handled that too.