See how much you can save with rooftop solar.
Two minutes, three steps.

How big is your roof?

Calculate
continue

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

Fine tune your information

for a more precise estimate

STEP 1
Which province is your building in?
So we can know the subsidies you can enjoy.
STEP 2
What is your average electricity price?
Adjust the slider if different from provincial average.
¥0.4 1.6
STEP 3
What is your average monthly electricity bill?
So we can calculate your electricity consumption.
¥1,000 1,000,000+

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

10%

IRR

Up-front cost of installation ¥0
Operation and Maintenance Costs ¥52,088
Subsidies:

¥5,088: National subsidy of ¥0.42/kWh
¥6,000: Local subsidy of ¥xxx/kWh

¥11,088
Total electricity cost with solar

Include above costs and incentives.

¥30,020
Total electricity cost without solar

Assumes 2.2% annual increase in electricity prices.

¥49,020
Total 25-year savings

Net present value at 4% discount rate:$44,251.

¥12,082