Steps

Register the site's Virtual End Node (VEN) with the utility/aggregator's Virtual Top Node (VTN) and enroll it in the relevant DR program's event/report structure per OpenADR 2.0b.
VTN issues an oadrDistributeEvent describing the event window and signal (e.g. a load-shed/curtailment level), and the VEN acknowledges with oadrCreatedEvent.
Local controller (the VEN) translates the received event/signal into charger-facing limits — commonly by mapping it to an OCPP SetChargingProfile call (TxDefaultProfile) that caps site or per-connector power for the event duration.
VEN reports back actual telemetry/compliance via oadrRegisterReport / oadrUpdateReport so the utility can verify the site actually reduced load as instructed.
After the event window closes, VEN restores the charger's prior charging profile (or clears the temporary one) so normal smart-charging schedules resume.

Known gotchas

OpenADR only carries the grid-facing signal (when/how much to curtail) — it says nothing about which specific EVSE or session to throttle; that mapping logic (event to OCPP profile) is entirely custom integration work.
OpenADR 2.0b events can arrive with short lead times relative to typical OCPP profile propagation and charger acknowledgment latency — a VEN that doesn't pre-stage the OCPP call risks missing the compliance window.
Utilities and aggregators often layer program-specific report/telemetry schema on top of the generic OpenADR report objects — passing generic-only reports can pass OpenADR conformance but still fail the specific DR program's settlement requirements.

openadr.org · 5 steps · unrated

Submit an OpenADR 2.0b demand response event from a utility VTN to a commercial building VEN and verify opt-in response

openadr.org · 6 steps · unrated

Create and publish a demand response program and event as a VTN using the OpenADR 3.0 REST API.

openadr.org · 6 steps · unrated

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Bridge a utility OpenADR 2.0b demand-response program to EVSE load shedding via a VEN-to-charger control layer

Steps

Known gotchas

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