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25-Year Cash Flow Milestones
Cumulative net at years 10, 15 and 25 with escalation and degradation.
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Solar calculators
Screen array size, payback, and lifetime benefit before signing a quote.
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Azimuth Direction Loss Calculator
Annual loss vs true south by azimuth choice.
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Battery Backup Hours Calculator
Runtime for critical loads from usable kWh.
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Battery Bank Size Calculator
Off-grid battery bank from daily use, autonomy, and discharge depth.
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Battery Cycle Life Cost Calculator
Lifetime kWh and $/kWh from cycles and usable capacity.
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Bifacial Gain Estimator
Extra kWh from rear side by surface albedo and height.
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Clipping Loss Estimator
Yearly clipping loss from DC/AC ratio above 1.3.
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CO2 Offset Estimator
Metric tons avoided via EPA eGRID average.
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Commercial Demand Savings Calculator
Yearly demand savings from coincident solar kW.
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DC to AC Ratio Optimizer
Check DC/AC ratio and clipping risk from array and inverter kW.
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Degradation Year Picker
Output in any year from year-1 and rate.
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EGC Size Checker
Grounding screening per NEC 250.122; AHJ governs.
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