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Free calculatorCommercial Generator Cost Calculator
Estimate equipment, transfer, installation, fuel and professional project allowances.
Open calculator →Free planning tools
Commercial Backup Power Cost Guide calculators
Free commercial generator calculators for project costs, fuel use, maintenance, outage losses, temporary rental and lifecycle comparison.
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Free calculatorGenerator Fuel Cost Calculator
Estimate fuel consumption cost from entered burn rate and runtime.
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Free calculatorGenerator Maintenance Cost Calculator
Estimate annual service, testing, fluids, batteries and repair reserves.
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Free calculatorBusiness Power Outage Cost Calculator
Estimate labour, lost margin, spoilage, recovery and customer-impact costs.
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Free calculatorTemporary Generator Rental Calculator
Estimate rental, delivery, cables, fuel, labour and connection costs.
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Free calculatorNatural Gas vs Diesel Generator Lifecycle Calculator
Compare entered capital, maintenance and fuel costs over time.
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Free calculatorGenerator Repair vs Replacement Calculator
Compare a major repair path with replacement over a planning period.
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Free calculatorGenerator Quote Comparison Calculator
Normalize three proposals by adding omissions and recurring costs.
Open calculator →Planning tools only. Costs, codes, permits, inspection duties, accessibility rules, environmental requirements and insurance conditions vary by country, province or state, municipality, building use, equipment type, installation date and project scope. Qualified local professionals and the authority having jurisdiction must determine what applies. Generator exhaust can produce deadly carbon monoxide. Electrical backfeed, fuel, fire, noise and exhaust hazards require qualified design and installation. Never operate a portable combustion generator indoors or in a partly enclosed area.