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With more than a million U.S. houses set to have solar panels by the end of next month, grid managers serving the eastern U.S. plan to cut the amount of electricity they buy from conventional plants by about 1,400 megawatts, starting in 2019, according to industry consultant ICF International Inc. That’s enough juice to power about 780,000 households.

The result could be as much as $2 billion in lost revenue for generators that are already reeling from lower demand, tight environmental regulation and depressed prices. Power producers including NRG Energy Inc. warn that the growing reliance on solar may curtail investment in conventional power plants, threatening the reliability of the U.S. electricity system. That’s already happened in Germany, they say, citing plans by EON and RWE to scrap existing or planned plants……..

Under “Energiewende,” a German transition plan designed to lessen fossil fuel use, about 30 percent of the country’s power is now generated by renewables, sending power prices to their lowest levels in more than a decade. That spurred EON’s Uniper unit to seek closure of two gas-fired units in Bavaria, and Essen-based RWE to scrap plans to start up its coal-fired Westfalen-D plant, valued at $1.1 billion…….

This year, for the first time, operators of regional power grids such as PJM Interconnection, which serves more than 61 million customers ranging from Washington to Chicago, and ISO New England Inc., have included solar growth in their estimates for 2019, spurring more national debate on how the nation’s electrical system will be financed and managed moving forward. http://www.pressherald.com/2016/03/19/impact-of-solar-panels-just-keeps-growing/