Demand-side response for fleets: what it pays and what it asks
DSR pays you to shift or trim your electricity use when the grid needs help. Here's the deal — the obligations, the rewards and the realism.
Last updated 15 August 2026
Demand-side response (DSR) is the main way a depot turns its flexibility into money. It’s a straightforward bargain, and worth understanding before you weigh it up.
The basic deal
DSR pays you to shift or reduce your electricity use at certain moments — typically when national demand is high and the grid needs help. For a depot, that might mean briefly pausing or delaying some charging on request. In return, you’re paid for being available to respond and for the responses themselves.
What it asks of you
The obligation is flexibility: you agree that some of your charging can be moved or trimmed on signal, within limits you set. Because your vehicles have slack in their overnight windows, meeting that obligation usually doesn’t affect operations — the smart-charging system simply reshuffles when charging happens, still hitting every departure deadline.
What it pays
Payments vary by programme and over time, and are typically modest — a useful supplement rather than a transformative sum. Most depots access DSR through an aggregator, who bundles many sites together, deals with the market complexity, and passes on a share of the value. That keeps participation simple.
Is it worth it?
For infrastructure you’re installing anyway, DSR is close to free money — you’re being paid for slack you already have. The realistic framing is a steady bonus that improves the business case at the margins, layered on top of the real savings from cheap tariffs and avoided grid upgrades. Make sure your infrastructure can participate, then treat any income as welcome upside.