Washington
Solar Cost for a $200/month Electric Bill in Washington
A $200/month bill in Washington usually needs a 17 kW rooftop solar system. Estimated cost: $68,000 before incentives, $47,600 after, with a payback of 19.8 years.
Recommended size
17 kW
Net cost (after incentives)
$47,600
Estimated payback
19.8 yrs
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Tip: each 1 kW needs about 80–100 sq ft of unshaded roof.
Est. monthly units625 kWh
Tariff used₹8/kWh
Recommended system
5 kW
System cost
₹3.65 L
Yearly savings
₹57,600
Payback period
6.3 years
25-year net savings
₹10.75 L
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Estimated system3 kW · ₹1.41 L net
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