Download SPP day-ahead and real-time LMP, load forecast, and market clearing price files from SPP's public data feeds
domain: spp.org · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Recognize SPP does not expose a public REST/JSON market-data API for the classic Integrated Marketplace; data is published as CSV-in-ZIP files.
Pull files via anonymous FTP at pubftp.spp.org (e.g. Markets/RTBM/LMP_By_SETTLEMENT_LOC, Markets/DA/LMP_By_SETTLEMENT_LOC) or the mirrored web portal at marketplace.spp.org.
For load forecasts, use the Operational_Data/STLF (short-term) and MTLF (mid-term) folders.
Unzip and parse the CSV files yourself; there is no query API, pagination, or auth for anonymous FTP access.
If registered as a market participant needing settlement-grade data exchange, note SPP separately offers a SOAP-based Data API requiring registration.
Known gotchas
Don't confuse this anonymous FTP/portal file feed with a REST API — none exists for the classic Integrated Marketplace's public data.
SPP's newer 'Markets+' western RTO offering is being built on REST APIs, a separate system from the FTP feeds described here.
File formats and folder layouts have changed across revisions of SPP's public data guide; verify current column layouts before parsing.
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