S&P Global Market Intelligence presents a periodic rundown of selected ratings actions on energy companies. The changes, confined to upgrades, downgrades and changes in outlook, are listed by announcement date in reverse chronological order.
Sept. 12
* S&P Global Ratings upgraded the issuer credit ratings for Alabama Power Co. and Northern Illinois Gas Co. to A from A-, with a negative outlook.
Sept. 9
* S&P Global Ratings said in a note that oil and gas companies with large amounts of speculative-grade, distressed debt maturing through 2024 face increased refinancing risks.
Sept. 6
* Moody's upgraded Long Island Power Authority's senior lien revenue bonds to A2 from A3 and revised its outlook to stable from positive.
Sept. 5
* Fitch Ratings upgraded Otter Tail Power Co.'s short-term issuer default rating to F2 from F3 and removed it from "Under Criteria Observation."
Sept. 4
* S&P Global Ratings revised its outlook on independent power producers NRG Energy Inc. and Vistra Energy Corp. to positive from stable, based on strong credit metrics.
* Fitch Ratings assigned a first-time rating to CNX Resources Corp., giving the independent oil and gas company a BB rating and a stable outlook.
Sept. 3
* Fitch Ratings raised TC Energy Corp. subsidiary Columbia Pipeline Group Inc.'s long-term issuer default rating and senior unsecured rating to A- from BBB+, with a stable outlook.
* Fitch Ratings placed Tallgrass Energy Partners LP on Rating Watch Negative after Blackstone Group Inc.'s infrastructure arm offered to buy the parent company's outstanding shares and take it private.
Aug. 28
* S&P Global Ratings upgraded the long-term issuer credit rating and issue-level rating of DTE Electric Co. and DTE Gas Co. to A- from BBB+ with a stable outlook.
