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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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Operation calculators
Price running hours, outages, load management, rent vs buy, and alternatives.
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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.
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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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Emissions & Carbon Cost Compare
Generator versus grid CO2 for the same energy, with the extra emissions priced at an editable social cost.
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Expected Outage Hours
Turn a regional reliability baseline and the site's own history into the outage hours a backup plan should actually cover.
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Fuel Operating Cost Over 10 Years
Two fuel choices, same load and hours, compared on cumulative ten-year cost including capital and upkeep.
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Fuel Price Sensitivity
How the hourly cost and the annual bill move across a fuel price range, and where the generator stops competing with the grid.
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Generator Rent vs Buy
Annual ownership cost against annual rental cost, with the break-even days per year where renting stops making sense.
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Generator vs Utility Cost per kWh
Put the generator's fuel cost per kWh next to the retail rate, and find the fuel price where they meet.
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Outage Cost Calculator
Lost margin, idle labor, and spoilage per outage hour, plus the annual exposure that justifies a standby system.
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