How a battery unlocks extra flexibility revenue
Shiftable charging has value; a battery adds more, because it can absorb or release power on cue without touching your operations.
Last updated 15 August 2026
A depot can earn from flexibility using shiftable charging alone. Add a battery and the earning potential grows, because a battery is flexibility on demand.
Why a battery adds more
Shiftable charging is valuable but constrained — it depends on vehicles being plugged in with slack in their windows. A battery has no such limits: it can absorb or release power on cue, at any time, without affecting a single vehicle’s readiness. That makes it a cleaner, more reliable source of the fast, controllable response that flexibility markets reward.
Stacking the value
This is where a battery’s economics improve. The same unit that shaves your peak to avoid a grid upgrade and stores cheap energy can also earn flexibility income — several benefits from one asset. Adding a revenue stream to the savings can tip a marginal battery case into a clear one.
Keep expectations grounded
Flexibility income is still a supplement, not a jackpot, and it shouldn’t be the sole justification for buying a battery — the core case rests on capacity and cost savings. But when a battery is already justified, its ability to participate in DSR is a genuine bonus that shortens payback.
Design for it
To capture this, make sure the battery and its controls are set up to respond to flexibility signals — usually through an aggregator — as part of the infrastructure you specify. A battery that can only shave peaks leaves money on the table; one that can also trade flexibility earns its keep from more directions.