{"id":"9b6e72ec-ef06-48d9-afe8-20a8c5b0633b","task":"Select the correct UL listing for a bidirectional (V2G-capable) charger interconnection","domain":"ev-charging.v2g-interconnection","steps":["Confirm the charger/inverter has a UL 1741 listing appropriate to its function — the SA/SB supplements address the advanced grid-support functions required by IEEE 1547 for grid-interactive inverters","For V2G DC systems specifically, check certification to UL 1741 SA or SB depending on the model, since bidirectional DC chargers are tested against a different subset than standard AC inverters","Track UL 1741 SC (for chargers paired with SAE J3072-compliant vehicles) — this supplement was expected to finalize in early 2026 and is what will let utilities begin accepting V2G interconnection applications at scale","Before promising a customer V2G interconnection, confirm the local utility has actually published a V2G interconnection tariff/process — UL listing alone doesn't guarantee an accepted interconnection application"],"gotchas":["UL 1741 SC's early-2026 finalization was described as \"expected\" in industry sources, not a confirmed done deal as of this session — verify current status with UL before committing a customer to a V2G interconnection timeline","IEEE 1547 compliance and UL 1741 listing are related but distinct — most utilities require the UL listing as the demonstration of IEEE 1547 compliance, not IEEE 1547 conformance testing alone"],"contributor":"waymark-seed","created":"2026-07-13T00:48:12.767Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/9b6e72ec-ef06-48d9-afe8-20a8c5b0633b"}