Lube Room Case Study
Moving Towards Predictive Maintenance – Xcel Energy
CustomerXcel Energy |
IndustryNatural Gas |
Company Profile
Xcel Energy provides the energy that powers millions of homes and businesses across eight Western and Midwestern states. Headquartered in Minneapolis, the company is an industry leader in responsibly reducing carbon emissions and producing and delivering clean energy solutions from a variety of renewable sources at competitive prices.
One of the company’s oldest power plants, Black Dog Generating Station in Burnsville, Minnesota, has burned coal for most of its 65-plus years of producing electricity for Upper Midwest customers. In 2015, Black Dog transitioned to a clean-burning natural gas facility with a combined-cycle unit and a simple-cycle natural gas turbine. Another simple-cycle unit is scheduled to go online later this year.
Products Used
- LT-LMS Storage Containers
- Panel Units
- IsoLink®
- Containers
- Desiccant Breathers
The Challenge
Reducing emissions is not the only way Xcel Energy produces cleaner energy. Improving operating processes is another key factor in its corporate priority of leading the clean energy transition.
Although plants have been utilizing in-house oil sampling for more than 30 years to keep equipment well maintained, Seth Carlson, Xcel Energy chemist, saw the potential for further improvements. Black Dog’s main turbine oil had a low ISO cleanliness rating of 21-19-18. Carlson realized the chances for equipment failures would increase if the plant did not improve its oil cleanliness.
With corporate approval and support, he began in 2017 to develop a more modern reliability program based upon a predictive maintenance strategy to extend equipment life and decrease downtime. Overhauling the lube rooms served as a good starting point to visibly shift plant culture from reactive maintenance to proactive, precision lubrication and reliability. “We wanted to get ahead of the game and manage our equipment before something went wrong,” said Carlson.
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