Why Constellation Energy Stock Slumped in March

Constellation Energy (NASDAQ: CEG) banal is treading connected brushed ground. It fell 15.3% successful March and is down different 4% this period arsenic of this writing, according to information provided by S&P Global Market Intelligence. Important caller updates, including a imaginable hold successful a large task and blimpish guidance, took the upwind retired of its sails.

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Constellation Energy is the largest shaper of energy successful the U.S. arsenic good arsenic the nation's largest shaper of cleanable energy. It operates the largest atomic fleet successful the U.S., placing it successful an unbeatable presumption to payment from the monolithic powerfulness demands of artificial quality (AI) information centers.

The AI narrative, however, began to chill disconnected successful March amid geopolitical tensions that saw wealth rotate retired of maturation stocks and into antiaircraft plays. Even though Constellation is simply a utility, the banal surged 58% successful 2025 due to the fact that of the company's atomic vigor dominance amid the information halfway boom.

In March, the February Consumer Price Index (CPI) study besides amazingly revealed a marginal diminution successful the month-over-month energy prices. Although seasonal, the terms driblet deed inferior stocks crossed the board.

Constellation Energy bushed analysts' estimates erstwhile it reported its fourth-quarter numbers successful precocious February, but it didn't denote its 2026 and medium-term outlook until March 31. When it did, the banal fell, due to the fact that Constellation's 2026 operating net guidance of $11.50 per stock astatine the midpoint fell abbreviated of the statement net of $11.78 per share.

There's an adjacent bigger crushed wherefore Constellation shares are falling further successful April.

Constellation's latest April filing with the Federal Energy Regulatory Commission (FERC) has warned investors that its plans to restart a reactor astatine its Three Mile Island powerfulness plant, rebranded arsenic Crane ​Clean Energy Center, could beryllium delayed.

Constellation aims to restart the works by 2027 to conscionable its contractual committedness to proviso energy to Microsoft (NASDAQ: MSFT) information centers. In its filing, Constellation noted however important delays successful respective powerfulness transmission projects mean the works mightiness not beryllium afloat connected to the grid "at slightest until the extremity of 2030". Constellation is, therefore, seeking a waiver from the FERC to link its works to the grid elsewhere without waiting for the completion of the transmission projects.