SUBSCRIBER NOTE: Platts postpones update to North American marginal heat rates

S&P Global Platts is again postponing the update to power and natural gas hub pairings used to calculate day-ahead and real-time North American marginal heat rates. Platts will now implement changes June 14 instead of June 1. Please send any comments or questions to electricity_platts@spglobal.comandpricemethodology@spglobal.com.