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AP Photo/The Bulletin, Ryan Brennecke
Brandon Forseth, left, and Blaine Williams drill a small test well at Newberry Crater near LaPine, Ore. AltaRock says it has succeeded in a key technological step that could expand geothermal energy. It also used a new approach designed to avoid induced earthquakes.
GRANTS PASS, Ore. — Geothermal energy developers working on the flanks of an ancient Oregon volcano say they have taken an important technological step toward expanding geothermal energy from a small niche into a potential major source of homegrown power, but more work needs to be done.
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