Find the break-even usage for two plans
A household comparing electricity plans has a choice between a larger fixed charge and a lower unit price. They want to see how both a quiet month and a busy month would price out.
Open CalculatorInputs and calculation
| Tool input | Value |
|---|---|
| Currency | USD |
| Utility | Electricity (kWh) |
| Metered usage | 200 |
| Tariff type | Flat rate |
| Price per billing unit (USD) | 0.24 |
| Service fee (USD) | 5 |
| Tax on usage plus service fee (%) | 0 |
200 × 0.24 + 5 = 53.00.
Tool result · USD 53.00
| Tool input | Value |
|---|---|
| Currency | USD |
| Utility | Electricity (kWh) |
| Metered usage | 200 |
| Tariff type | Flat rate |
| Price per billing unit (USD) | 0.18 |
| Service fee (USD) | 21 |
| Tax on usage plus service fee (%) | 0 |
200 × 0.18 + 21 = 57.00.
Tool result · USD 57.00
| Tool input | Value |
|---|---|
| Currency | USD |
| Utility | Electricity (kWh) |
| Metered usage | 400 |
| Tariff type | Flat rate |
| Price per billing unit (USD) | 0.24 |
| Service fee (USD) | 5 |
| Tax on usage plus service fee (%) | 0 |
400 × 0.24 + 5 = 101.00.
Tool result · USD 101.00
| Tool input | Value |
|---|---|
| Currency | USD |
| Utility | Electricity (kWh) |
| Metered usage | 400 |
| Tariff type | Flat rate |
| Price per billing unit (USD) | 0.18 |
| Service fee (USD) | 21 |
| Tax on usage plus service fee (%) | 0 |
400 × 0.18 + 21 = 93.00.
Tool result · USD 93.00
What the comparison shows
The break-even point is 16 ÷ 0.06, about 267 kWh. The household would need its usage history to judge either plan across a year.
Assumptions and limits
Sample plans have no introductory discounts, exit charges or taxes. Use the same usage and time window when comparing quotes.
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