<div id="readability-page-1"><div> <p>Shares of power producers rose, but not by as much as the broad market, as traders rotated back into cyclical sectors due to optimism about U.S.-Iran peace negotiations.</p> <p>   Shares of power-plant owners Constellation Energy, NRG Energy and Vistra rallied after reports that PJM, the largest U.S. grid operator, was speeding up plans to connect data centers with power producers. PJM said in a letter late Tuesday that it was moving up the date for data-center capacity procurement to this September from September 2027. </p> <pre></pre> <p>   Write to Rob Curran at rob.curran@dowjones.com </p> <p>   (END) Dow Jones Newswires</p> <p>   May 20, 2026 17:33 ET (21:33 GMT)</p><p>Copyright (c) 2026 Dow Jones &amp; Company, Inc.</p></div></div>

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<p>Shares of power producers rose modestly as traders shifted focus to cyclical sectors amid optimism over U.S.-Iran peace talks. Constellation Energy, NRG Energy, and Vistra saw gains following PJM's announcement to expedite data center capacity procurement to September 2026, ahead of the previous 2027 timeline.</p>

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Vistra

Constellation Energy

NRG Energy

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Utilities Up, but Not by Much, on Cyclical Bias — Utilities Roundup