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Since installing Hydrolox screens in 2013, Wilmarth Station has enjoyed dramatic increases in reliability, efficiency, and performance. Rotating 24/7 year round, the screens have generated zero additional or unexpected maintenance, and the condensers require half as much cleaning and maintenance as before. The plant’s overall power production has improved significantly. Xcel Energy was also pleased that the screens could later be quickly and easily converted (using Ristroph-style buckets) to comply with Section 316(b) of the EPA’s Clean Water Act.


Xcel Energy


Wilmarth Generating Station - Mankato, Minnesota


Power & Industrial


Steel screens required constant maintenance, broke down frequently, and could be run only intermittently. Leafy debris clogged the condensers, and the screens were situated inside a screen house with no roof access.


Zero unplanned maintenance after more than five years

50% less condenser cleaning and downtime than previous solution     

Enabled 24/7 operation

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