Phase 1 shadow · synthetic · independent
· SAWEM Phase 1 Trading Simulator — explainer-grade, not an MMS.
· Trading Rules Round 2 (12 April 2026 v01 draft)
Trading day 2026-05-29 virtual hour 00 Auction state: ACCEPTING gate close in 18h:00m DAM clear → IDM re-clear → Balancing → Settlement
Browser receipt verifier
Hour 13 · in-browser Your browser hashes the receipt inputs and outputs with WebCrypto and
compares to the server-computed digests. No server trust required
beyond the JSON payload itself.
SMP: R841.83/MWh
inputs_sha256 (server): 9408b446a3ed40721b2336aa5eee37cc602703c2139b87b967ad72b0295803cb
inputs_sha256 (browser): …computing…
outputs_sha256 (server): c22091692265bf51f0d049a2a891071085513881b84447d54d1f1fb9877b7fd3
outputs_sha256 (browser): …computing…
…
Want the CLI version instead?
curl -s /api/clearing/13/replay > receipt.json && npm run verify -- receipt.json.
Synthetic data. No real money. No NTCSA SCADA / SARB rails / participant identities.
Trader-role bid submissions are rejected by the live auction with
bid_rejected · reason=phase1_trader_exclusion.
Distributor is still Eskom Distribution as of 2026-05-29;
NEDCSA (the planned subsidiary) is scheduled for 2027 stand-up
(SAWEM Reference §06).