The legal wrangling goes back to 2010, when a number of Gamesa turbine blades on the 50MW Kumeyaay wind farm near San Diego, California, had to be replaced after a storm.
Infigen argued that the blades should not have cracked and that repairing the damage was Gamesa's responsibility under the warranty.
Gamesa countered that the operator had set an improper pitch angle on the blades, making them vulnerable in high winds.
The agreement between the companies, announced on 16 June, calls for Gamesa to be reponsible for all turbine maintenance and component replacement for an annual fixed fee, and to provide turbine availability warranties. Gamesa will also be entitled to performance payments if turbine availability exceeds prescribed levels.
"These new WMAs enable Infigen to manage the level and variability of our wind farms costs and focus on safely and efficiently operating these assets," said Infigen US chief executive Craig Carson.
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