Your battery is bored. Give it a job.
What the grid sees, any Tuesday
- A heatwave at 18:00.
- Forty thousand kettles at half-time.
- A wind farm that went quiet.
- A substation at its limit.
- A street of dark windows in a storm.
- And 38,400 batteries, ready.
We see all of it, second by second, and we move your stored sun to where it's needed.
Harrow Vale · live network · 17:42
Sense.
Forecast.
Pool.
Dispatch.
Pay.
Every battery in town reports its charge, its roof and its plans for tonight. Every two seconds.
We see the six o'clock rush coming an hour early. The Crofts will want 18% more than its wires like.
Batteries across town chip in a little each. Nobody runs flat, and nobody notices.
Stored sun goes out at the peak, when it's worth the most. The substation breathes out.
The grid pays for the help. We pass it on, itemised, on the first of the month.
What your battery gets out of it
We never cycle your battery harder than its warranty allows. It's in the contract, in plain English.
Battery health
After 5,000 cycles: 91% of new
Worked, not worn out.
We read every cell's temperature and state of charge before each dispatch, and we skip your battery when it needs a rest. Ten years in, it should still hold nine-tenths of what it did on day one.
Earnings
A payslip for your garage.
Every kilowatt-hour we sell for you is itemised: when it left, what it fetched, what you kept. July's heatwave was a good month. We'll tell you when one is a bad month, too.
Outage shield
The lights stay on. Just yours.
We always keep a slice of your battery in reserve. When the street goes dark, your house switches over in under 20 milliseconds, and the fridge never finds out.
The app
78%
Charged · 7.8 of 10 kWh
Next dispatch 18:05 · 1.9 kWh
One switch. Honestly, that's it.
Watch the charge, see today's pennies land, and switch peak selling off whenever you like: for a party, a heat pump, or no reason at all. No penalty, no phone call.
Last month, Harrow Vale
Small boxes.
Big numbers.
One battery can't move the grid. A town's worth can hold a substation steady through a heatwave, and did, eleven times this summer.
- 38,400homes on the network
- 212MWhshared last month
- £6.1Mpaid to members
"It paid the gas bill in February. I didn't do anything. That's the whole review."
"I was braced for greenwash. Instead I got a spreadsheet every month. I love a spreadsheet."
Earnings calculator
What would
yours earn?
Three questions. No email address. The number moves as you do.
10 kWh stored
Paid to you, per year
££704 per year/year
An estimate for a typical home, based on last year's peak prices in your region. Your survey gives you the real figure.
Free · 40 minutes · no hard sell
Book a
survey.
A local installer looks at your roof, your fuse box and your loft, then tells you straight whether a battery pays for itself. Sometimes the answer is "not yet". We'll say so.
