...May 15, 2025 - We see a heightened likelihood of cash flow remaining deeply negative and heavy investments while fierce competition in the electricity retail market weakens Tepco Holdings' profitability. - We view the group being more unlikely to maintain cash flow generation commensurate with our ratings while uncertainty remains over the restart of the Kashiwazaki-Kariwa plant. - We affirmed our long-term issuer credit rating on Tepco Holdings at '##+' and revised the outlook to negative. - We revised our outlook to negative from stable, based on the factors above. TOKYO (S&P Global Ratings) May 15, 2025--S&P Global Ratings today revised its outlook on its long-term issuer credit rating on Tokyo Electric Power Co. Holdings Inc. (Tepco Holdings) down to negative from stable. We also affirmed our '##+' long-term issuer credit and senior secured ratings. We revised our outlook because we see an over one-in-three chance that Tepco Holdings group will be unable to maintain cash flow generation...