Step 2
We fit it
One day, one local crew
A local installer handles the permits, fits the panels and battery, and connects everything to your fuse box. Most homes are finished between breakfast and sunset.
On the roof today18.4 kWh
Saved for tonight
Sunset tonight18:12
Solar + storage for homes in Japan
Keep today’s sunfor tonight
Rooftop solar and a home battery, one monthlyplan. Nothing to buy, nothing to maintain.
Spend less
Pay for sunshine,
not for fuel ships
Stay on
The lights stay on
when the typhoon comes
See it
Every kilowatt,
in your pocket
From roof to room
Your roof becomesa small power station
We survey your roof from above, design a system around your household, and fit the panels and battery in a day. After that, one plan covers the monitoring, the repairs and every replacement part for as long as you stay.
Check my roof-
Step 1
Choose a plan
One fixed monthly price
Pick the size that suits your household. Panels, battery, installation and upkeep are all included, so there is nothing to buy up front.
See my price9:41Evening,
on sunshinePlanSwitch onPlans from¥9,800/ monthPanels, battery, fitting and upkeep in one price.
Kyoto, Higashiyama4.8kWSixteen panels laid into the kawara, clear of the ridge and the eaves.
Up front¥0Nothing to buy and nothing to maintain, for as long as you stay.
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-
Step 3
Switch on
Sunshine, then stored sunshine
The panels run your home by day and fill the battery for the evening. When the grid goes down, your house simply carries on.
This weekSavings
2416800.0kWh
SunMonTueWedThuFriSatSolarForecastHomeBattery11.9 kWh · WedShiga, 18:4013.5kWhStored by mid-afternoon, it lights the farmhouse well into the night.
When the grid drops0.02sThe battery takes over before a lamp can flicker.
A typical evening82%of it runs on the afternoon’s sun.
Why now
Japan’s grid was builtfor a calmer climate
What we face
Your bill follows the price of imported fuelOne storm can darken a whole prefectureAfter an earthquake, the lines can stay down for days
Roof by roof
Each Sunseto home shares what itdoesn’t use, and together they becomea power station spread across Japan
Neighbours, connected
Every roof lendsa little light
Neighbouring Sunseto homes trade power with each other.
When one house runs short, the street covers it, and the
whole network grows steadier with every new roof.
From the neighbours
Letters fromthe street
Three homes and three evenings, in their own words, on the back of a postcard.
NIPPON846050826Our machiya is a hundred and ten years old. The crew laid the panels into the kawara as if they had always been there.
Haru MorimotoHigashiyama, KyotoNaka plan · 4.8 kW · on since April
NIPPON842940045The typhoon took the street’s power for eleven hours. Our lamps never flickered, so the neighbours came round for tea.
Emi WatanabeTateyama, ChibaŌ plan · 11 h through the outage
NIPPON847220035Our bill used to rise and fall with the price of oil. Now it is one number, and the evenings run on the afternoon.
Kenji SatoOnomichi, HiroshimaKo plan · ¥9,800 a month
Keep theevening
Tomorrow starts tonight
Tell us where you live. We’ll look at your roof from above and send you a price for your home within two days.
Check my roof
Pricing
One plan, sizedto your evenings
Tell us who lives at home. We size the panels and the battery so the afternoon carries you into the night, and charge one monthly price for all of it.
Carries your evening to12:10 am
Naka3–4 people
¥13,800a month
- Panels4.8 kW, 16 panels
- Battery10 kWh
- FittingOne day, one local crew
- Monitoring and repairsIncluded
- Up front¥0
Prices include tax. We confirm yours after we have looked at your roof.