EnerNOC Jumps After U.S. Supreme Court Upholds Energy Rule

  • Shares move a record on expected growth in conservation
  • Environmental groups say ruling means fewer power plants
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EnerNOC Inc., the top U.S. provider of energy conservation services, gained as much as 86 percent after the U.S. Supreme Court upheld a federal rule that pays large users to conserve power.

EnerNOC rose 69 percent to $7.05 at the close in New York, after touching $7.73 for the biggest intraday gain since the stock started trading in 2007. The Boston-based company helps large industrial energy consumers curtail use in return for payments from grid operators and ultimately other customers.