Several ring operators have begun publishing thermal reserve margins in a standardized public format.
The move is subtle but important. Thermal reserve used to sit inside internal operations language, where customers could only infer it indirectly from derate behavior and pricing patterns. Public disclosure changes that relationship by turning hidden resilience into a visible confidence signal.
It also raises the bar. Once reserve margins are disclosed, operators will be judged not just by their capacity claims, but by how honestly they describe the heat discipline behind them.