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Improve it · the grid

Today, match your energy use to renewable generation. Tomorrow, match it to pricing.

Today, that makes you greener and supports energy security. Tomorrow, it means using energy at the lowest-cost times of day.

See if your building could save energy
A wind turbine over misty fields at sunrise

Today · carbon

Use more when the grid runs on wind and sun.

Greener hours cut your carbon now. More home-grown power also means more secure energy, less exposed to world prices.

Ready by Renewal, the explainer

Tomorrow · prices

Six times the price, six hours apart.

Great Britain, 1 September 2026. Same electricity, same day. As more bills follow the hour, timing will matter more.

Lowest-cost half hour13:30

3.2p a unit wholesale · 56 g of carbon a unit

Most expensive half hour19:30

19.1p a unit wholesale · 159 g of carbon a unit

Wholesale price: Elexon Market Index Data. Carbon: NESO Carbon Intensity API. Published half-hourly figures. Wholesale is one part of a business bill.

Same comfort, different timing

Warm up early. Ease off at the peak.

Nobody inside should feel it. Every change stays inside the comfort range you set.

An ordinary weekdayIllustrative
00:0006:0012:0018:0024:00
Priciest hoursGreenest hoursWith GridEdgeFixed timer

Already working

Two customers, already doing it.

20 schoolsA trust slowed its big air fans from 6pm to 9pm, with comfort held.
18 changesA London shopping centre moved energy out of the dirtiest hours. Costs down, no comfort complaints.

See if your building could save energy.

Six quick questions, then a free report on your last 14 months. No commitment.

See if your building could save energy

About a minute. Nothing is sent unless you choose.