The Bonneville Power Administration pulled back on its plan to halt wind energy production when water levels in the federal hydropower system are high.
The plan was intended to stop over-generation, when spring runoff creates more hydropower than consumers can use.
Opponents to the plan, including Sen. Jeff Merkley and Rep. Earl Blumenauer, Oregon democrats, say it has the power to upend renewable energy development in the Northwest and unfairly discriminates against wind-energy generators.
Though the plan is intended in part to help BPA comply with laws that protect endangered salmon and steelhead, environmental groups counter that it does not.
Read more at Sustainable Business Oregon.