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NV Energy to End Most Power Supply to California-Side Lake Tahoe by May 2027

Liberty’s grid is under Nevada’s control, limiting California’s ability to order service to continue.

Overview

  • NV Energy told Liberty Utilities it will stop providing about 75% of Lake Tahoe’s electricity by May 2027, leaving roughly 49,000 California customers needing a new wholesale source.
  • Liberty informed state regulators in March 2026 that it is preparing emergency procurement and expects to seek formal bids this summer for replacement power.
  • News outlets link the shift to surging AI data center demand near Reno, while NV Energy calls it a long-planned transition, with filings showing about 75% of major-project load growth tied to data centers and analysis finding they used 22% of Nevada’s power in 2024.
  • Fixes are hard because Liberty operates inside NV Energy’s balancing authority rather than California’s CAISO, and a direct tie to California would require new transmission that could cost hundreds of millions of dollars.
  • A new 525-kV, $4.2 billion transmission line in Nevada is slated to be operational by May 2027, yet Liberty says connection timing and costs could still leave a gap, prompting residents and groups to press for transparency and pushing more homeowners toward solar-plus-battery systems.