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 05 · 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: R831.49/MWh
inputs_sha256 (server): 99d56d7eefa6a5ccf6760395bda018a69eecccc6505af1d27dd019bcdb752abe
inputs_sha256 (browser): …computing…
outputs_sha256 (server): 81f072785cd3faa9919c55fb0099fb0066c984433e5c20f18c1e8d938b39d915
outputs_sha256 (browser): …computing…
…
Want the CLI version instead?
curl -s /api/clearing/5/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).