# Utilities Sector Declines in August as Treasury Yields Rise Constellation Energy gains while PG&E lags behind sector's 4.78% drop. - **Source:** [Breaking News on Seeking Alpha](https://brifing.si/source/9a596115-e1cc-45e7-b5ba-070be9ea2998) - **Published:** 2026-09-05 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/1e08c8f8-e3fc-493a-b9fd-2c1cd2c837c4 ## Sector Overview The utilities sector (XLU) declined 4.78% in August 2023, significantly underperforming the S&P 500's 2.62% gain. This marked one of the worst monthly performances for utilities this year. The sector's traditionally defensive nature failed to protect investors during this period. Analyst Louis Gerard attributed the underperformance to macroeconomic factors rather than sector-specific issues. ## Key Underperformer PG&E Corporation (PCG) was among the worst performers in the utilities sector during August. The California-based utility faced additional pressure from wildfire-related concerns. Investors showed caution due to potential liability risks and regulatory challenges. The stock's decline contributed significantly to the sector's overall poor performance. ## Standout Performer Constellation Energy (CEG) bucked the sector trend with positive August performance. The company benefited from its nuclear power generation assets amid rising energy prices. Constellation's diversified energy mix provided relative stability. Its performance highlighted the varying fortunes within the utilities sector. ## Market Context The utilities sector's decline occurred during a month of rising Treasury yields. The 10-year Treasury yield increased by approximately 40 basis points in August. Higher yields make utilities' dividend yields less attractive by comparison. This dynamic particularly impacts income-focused utility investors. ## Historical Perspective Utilities typically underperform during periods of rising interest rates. The sector's August drop follows this historical pattern. Over the past decade, utilities have shown negative correlation with Treasury yield movements. This relationship reflects the sector's sensitivity to fixed-income alternatives. ## Sector Composition The utilities sector includes electric, gas, and water utility companies. These regulated entities often operate as local monopolies. Their business models feature predictable cash flows but limited growth potential. This structure makes them particularly sensitive to interest rate changes. ## Investor Implications The August performance may signal caution for utility investors. Those holding utilities for dividend income might reconsider their positions. Sector rotation strategies could shift funds to more growth-oriented sectors. However, utilities may regain appeal if Treasury yields stabilize or decline. ## Future Outlook Analysts will watch September for potential sector recovery signs. The Federal Reserve's interest rate decisions will be crucial. Any stabilization in Treasury yields could support utility stocks. Meanwhile, companies like Constellation may continue outperforming peers with diversified assets. ## Sources covering this story - https://seekingalpha.com/news/4640264-utilities-sector-underperforms-in-august-constellation-energy-gains-pg-and-e-declines?utm_source=feed_news_all&utm_medium=referral&feed_item_type=news — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._