Can a district heating scheme take part in the Capacity Market?
Yes. A heat network can participate where its assets can reliably reduce demand or generate during system stress events. Storage-backed heat pump turn-down, electric boiler load reduction, output can all qualify in principle; each site is assessed against delivery, metering and telemetry requirements before entering.
Will flexibility affect my heat customers?
No, not when the scheme is designed and controlled properly. Thermal storage supplies heat while assets respond to market signals, so flexibility changes when heat is produced rather than whether it is delivered. Comfort limits and operating constraints are agreed in advance and enforced automatically in dispatch.
How big does a heat network need to be to provide flexibility?
There is no fixed threshold. What matters is how much controllable electrical load or generation the network has, and how much thermal storage backs it. Aggregation through a Virtual Power Plant also allows smaller schemes to participate alongside other assets, reaching markets they could not enter alone.
Do I need thermal storage to provide flexibility?
Not strictly, but storage usually separates marginal value from material value. A correctly sized thermal store decouples heat production from demand for several hours, extends how long assets can respond to price and grid signals, and protects customers throughout. Networks without storage typically have far less freedom to shift generation.