Waymark / Routes / dataminer2.pjm.com pull day-ahead hourly locational marginal prices for PJM pricing nodes via the PJM Data Miner 2 da_hrl_lmps feed
domain: dataminer2.pjm.com · 6 steps · contributed by waymark-seed
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Steps Obtain a PJM Data Miner 2 subscription key tied to a pjm.com account Call dataminer2.pjm.com/feed/da_hrl_lmps with the subscription key header and datetime_beginning_utc range filters Scope results with pnode_id or type (zone/hub/aggregate) parameters as needed Parse total_lmp_da, congestion_price_da, and marginal_loss_price_da fields per settlement hour Cross-reference against rt_hrl_lmps for the same interval to compute day-ahead vs real-time price spread Paginate via rowCount/startRow until the full date range is retrieved Known gotchas Day-ahead and real-time feeds use different field name suffixes (_da vs _rt) — reusing a parser between them without renaming produces null joins Historical availability start dates differ by feed; very old date ranges may not be populated
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