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“It will probably shatter the wintertime demand,” said Daniel Cohan, a professor of civil and environmental engineering at Rice University in Houston.

“Residuals are meant to be some level of profit sharing,” Cohan said.

Mr. Cohan, a writer and founding partner at Puck and a former investment banker, charts the history of G.E. in this well-researched and compelling book.

The grid operator's performance so far highlighted the uncertainty in forecasting power demand in such rare, freezing conditions, Cohan said.

“There was something very traditional about her approach to art making,” Cohan said.