See how much you can save with rooftop solar.
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How big is your roof?
SOLAR SYSTEM SIZE
kW
Generating kWh of electricity annually.
ANNUAL SAVINGS
￥
With self-invest, or chose PPA financing and save ￥.
ANNUAL CARBON REDUCTION
tons
This is equivalent to removing cars from the road each year
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Project financials
Understand the cost and return on investment
Pay up front, largest lifetime savings. You pay the full cost up front and own the solar system without any additional payments over time. As the outright owner, you may claim any local and national incentives.
UP FRONT COST
ANNUAL SAVINGS
TOTAL SAVED OVER 25 YEARS
YEARS UNTIL PAYBACK
IRR
￥5,088: National subsidy of ￥0.42/kWh
￥6,000: Local subsidy of ￥xxx/kWh
Include above costs and incentives.
￥30,020Assumes 2.2% annual increase in electricity prices.
￥49,020Net present value at 4% discount rate:$44,251.
￥12,082Your project may qualify for external financing (PPA)
Instant savings, zero down. With a Power Purchase Agreement you pay nothing for the solar system but commit to purchasing the electricity produced by it at a discounted rate for 25 years. All operations and maintenance are included and you have the option to purchase your system outright at any point.
DISCOUNT ON ELECTRICITY
AVERAGE ANNUAL SAVINGS
TOTAL 25-YEAR SAVINGS
Include all operation and maintenance costs, with incentives.
￥53,088Assumes 2.2% annual increase in electricity prices.
￥120,182Net present value at 4% discount rate:$44,251.
￥67,094