Backup Power Option Comparison
Portable, standby, battery, solar plus battery, UPS, or nothing, compared on ten-year cost and the coverage each one actually delivers.
Result
Formula
Calculation logicWhat to check
- Quotes for each option on the same load and autonomy
- Whether the critical load can tolerate a transfer interruption
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Annual & Lifetime Operating Cost
Annual fuel, maintenance, and depreciation, plus the lifetime cost per kWh and per backup hour.
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Battery vs Generator TCO
Ten-year cost of a battery bank against a generator on the same critical load, and the outage hours where the comparison flips.
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Cost per Hour to Run
Fuel, maintenance reserve, and consumables per running hour, then the same number per delivered kWh.
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Demand Response Revenue
Capacity and energy payments from enrolling a standby set, net of fuel, wear, and the annual hour allowance.
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