Identify the real default baseline
Default service can use periodic fixed rates, time-varying prices, or other rules depending on jurisdiction and customer size. A small-business posted comparison price may be inappropriate for a larger interval-metered account. Establish the utility class, effective period, and included components before calculating savings. In competitive Texas territories, the provider structure differs from the utility-default model common elsewhere. A generic national explanation should never substitute for the account’s actual tariff and supply status.
Align the comparison periods
A competitive contract may cover several years while a default price changes more frequently. Multiplying one current default rate across the entire contract term assumes future prices remain unchanged. Show that assumption explicitly or model scenarios for future default changes. Use the same consumption forecast, seasonal pattern, and component scope for both alternatives. Separate supply pricing from delivery charges so a decrease in one component is not represented as a reduction in the whole bill.
Evaluate transition and return conditions
Leaving or returning to default supply can involve enrollment timing, notice requirements, or class-specific restrictions. Existing competitive contracts may impose termination obligations even if a utility can accept the account. Confirm both the contractual and utility sides before scheduling a move. Also examine what happens after the new offer expires: automatic renewal, variable holdover, or default return may have different consequences. Assign an owner to renewal notices rather than assuming the utility will manage the decision.
Hypothetical annual comparison
Suppose 100,000 kWh is evenly spread through a year. Default supply is hypothetically $0.080/kWh for six months and $0.100/kWh for six months, giving $9,000 before unlisted charges. A $0.088/kWh competitive offer gives $8,800, but a $25 monthly fee raises it to $9,100. A different seasonal usage pattern changes the outcome again. These invented values demonstrate why both period weighting and fees matter; they are not a forecast of either service option.
Practical review checklist
- Obtain the correct default tariff and pricing period for the meter’s actual business class.
- Normalize contract and default comparisons for usage, seasonality, charges, and service dates.
- Verify switching and return rules separately from the existing supplier’s termination provisions.
- Document future-price assumptions and keep an action calendar for the selected arrangement’s renewal.
Questions & answers
Can I use a residential price-to-compare for a business?
Only if the utility explicitly applies that same class and calculation. Business tariffs and included costs may differ.
Does default service mean a guaranteed fixed bill?
No. Quantity, tariff adjustments, demand charges, and supply structure can change the bill even without a competitive contract.
Sources & scope
Primary references reviewed October 15, 2026. These sources support the stated concepts; actual tariffs, program rules and signed agreements govern the account. Decision examples and operational worksheets are original educational analysis.
- EIA: Can customers choose their electricity supplier?
Retail supply choice, delivery utility, and eligibility limitations. - New Jersey BPU: Shopping for business energy
Commercial supply choices, contract questions, and utility delivery. - Pennsylvania PUC: Shop for business electricity
Business offer structures, supplier shopping, and fee comparisons. - DOE FEMP: Evaluating your utility rate options
Demand, ratchets, time-of-use rates, coincident peaks, and standby charges.