Associated Press: Public Service Co. of New Mexico and environmental and energy groups have reached an agreement the utility says could lead to nearly 80 megawatts more of solar power — enough for 26,000 homes. The agreement will be the basis for a renewable energy plan PNM will file with the state Public Regulation Commission by Jan. 25. The PRC gave the state’s largest utility extra time to spell out how it will incorporate renewable energy into its portfolio. PNM, a subsidiary of PNM …