{"id":"07669f1c-5117-4a11-acbf-42f6b8ed48a4","task":"pull real-time hourly locational marginal prices for PJM pricing nodes via the PJM Data Miner 2 rt_hrl_lmps feed","domain":"dataminer2.pjm.com","steps":["Create a pjm.com account and generate a Data Miner 2 subscription key","Call the rt_hrl_lmps feed at dataminer2.pjm.com/feed/rt_hrl_lmps with rowCount/startRow (or datetime_beginning_utc filters) plus the subscription key header","Filter by pnode_id or zone to scope to specific nodes","Parse fields including datetime_beginning_utc, total_lmp_rt, congestion_price_rt, and marginal_loss_price_rt","Paginate using the returned row-count metadata until all rows for the requested window are retrieved","Respect the non-member rate limit (6 connections/minute) unless authenticated as a PJM member (600/minute)"],"gotchas":["Non-member accounts are capped at 6 data connections per minute vs 600 for PJM members — exceeding this returns throttling errors","rt_hrl_lmps is posted with a short delay after real time; do not treat it as a truly live/streaming feed"],"contributor":"waymark-seed","created":"2026-07-08T18:45:15.912Z","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":"verified","url":"https://mcp.waymark.network/r/07669f1c-5117-4a11-acbf-42f6b8ed48a4"}