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—Step 1
SAWEM hour by hour
How South Africa’s new electricity market is designed to work. Amber is energy, green money, teal data, violet contracts.
Trading period—
System price—
Demand—
Price set by—
Energy value—
Market ledger
Every account
18:00Peak
Speed
Season
Coal fleet available
Private renewables
Forecast quality
Allocation method
Settled
Intraday gates used
Re-declare
Cape corridor
Mine battery
Show EMDCL
Style after Ryan Sael’s Inside an AI Data Center. Rules follow the draft SAWEM Market Code v2.3 (Feb 2026), not yet approved by NERSA. Costs, demand and weather are illustrative.