Coal-fired generation has been forecast to slow its decrease in the share of US generation in S&P Global Platts Analytics’ latest long-term forecast, compared with an earlier forecast, and natural gas-fired generation’s share growth is also forecast to slow, but wind and solar output are forecast to accelerate.  “This kind of renewable penetration has to go hand in hand with lots of storage installations,” said Manan Ahuja, Platts Analytics’ senior director of North American Power, in an email Monday. “If these forecasts prove accurate (or close to it), we would likely see a significant compression of on-peak/off-peak wholesale price spreads.” The Platts Analytics North American Electricity Long-Term Forecast, issued May 4, extends the time horizon to 2050, compared with the October 22 forecast’s 2040 […]