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Commercial ROI
kWh, demand kW and roof space → solar plus peak-shaving storage, with the 2027 federal deadline in view.
System
140 kW
203,580 kWh/yr · roof max ~140 kW
Gross → net cost
$393k → $205k
after credit & depreciation (est.)
Year-1 savings
$19,134
energy $17.4k · demand $1.7k
Simple payback
10 yrs
IRR ~10.3%
Solar alone rarely cuts demand charges much (clouds and evening peaks) — storage sized for peak shaving does; model it with us. Tax figures are rough illustrations (100% bonus depreciation with basis reduced by half the credit; FEOC sourcing rules apply for projects starting construction after 2025). Not tax advice.
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