Federal Reserve rate hike signals threaten utility sector stability as Treasury yields surge

The S&P 500 Utilities sector started 2026 like a rocket, surging more than 11% in the opening months of the year. Now it’s nearly flat, ranking as the second-worst performing major sector in the index. The culprit is familiar but no less painful: rising Treasury yields and a Federal Reserve that might actually raise rates. The 10-year Treasury yield hit 4.818% intraday on September 2-3, its highest level since November 2023. The 30-year yield pushed near or above the psychologically significant 5% threshold. For a sector that borrows heavily to build and maintain infrastructure, those numbers land like a sledgehammer on a spreadsheet. What’s driving the yield spike The proximate cause is inflation anxiety, fueled in large part by energy price pressures tied to the ongoing conflict involving Iran in the Middle East. Oil prices have spiked on geopolitical risk, feeding through to broader inflation expectations and making the Fed’s job considerably harder. Markets were pricing in roughly a 63% chance of a rate hike at the Fed’s September 15-16 meeting before Governor Christopher Waller spoke on September 3. His comments dialed back the urgency somewhat, dropping the implied probab...