S&P Global Market Intelligence presents a periodic rundown of selected ratings actions on U.S. energy companies. The changes, confined to upgrades, downgrades and changes in outlook, are listed by announcement date in reverse chronological order.
Jan. 30
* S&P Global Ratings revised its outlook on Talen Energy Supply LLC to "stable" from "negative" and affirmed its B+ issuer credit rating for the company.
* S&P Global Ratings lifted its ratings on MPLX LP based on expected acquisition from its general partner that would lead to an improved business risk profile.
Jan. 29
* S&P Global Ratings revised the outlook for Indiantown Cogeneration LP's senior and subordinated debt to stable from positive.
* Moody's upgraded its ratings of Terraform Global Operating LLC, including its corporate family rating to Ba3 from B3 and its senior unsecured rating to Ba3 from Caa1 in the wake of Brookfield Asset Management Inc. purchase of TerraForm Global Inc. in December 2017.
Jan. 25
* S&P Global Ratings revised its outlook on Central Maine Power Co. to positive from stable given its expectations for marginal improvement to the company's business risk profile.
Jan. 24
* S&P Global Ratings upgraded Atlantica Yield plc's long-term corporate credit rating to BB from BB- on improved management and governance assessment.
Jan. 23
* Moody's downgraded FirstEnergy Solutions Corp.'s corporate family rating to Ca from Caa1 and its probability of default rating to CaPD from Caa1-PD, with a negative outlook.
Jan. 17
* S&P Global Ratings raised Warrior Met Coal Inc.'s corporate credit rating to B from B-, with a stable outlook, based on expectations of continued strong demand for metallurgical coal.
Jan. 16
* S&P Global Ratings flagged PNM Resources Inc.'s ratings for a possible downgrade in the coming quarters if the company's financial measures continue to weaken.
