MARVELS
CANYON POWER PLANT
A POWERFUL PROJECT by Kevin Camerson
The Southern California Public Power Authority (SCPPA) and city of Anaheim (City) didn’t have to look far for a construction team to build their Canyon Power Plant. Working about 100 miles south on I-5, Barton Malow was finishing construction on the Otay Mesa Generating Plant in San Diego when we were awarded the Canyon Power Project. The majority of Barton Malow’s Otay Mesa team relocated to Anaheim for the Canyon Power Plant. Turn on the Power The Plant was conceived by PB Power, SCPPA, and the City of Anaheim but engineering, procurement and construction services were Barton Malow’s responsibility. The schedule was tight – the Barton Malow team mobilized on the site in May 2010 and had until November 2011 to achieve substantial completion of the final two units at the Plant. In just nineteen months Barton Malow erected four combustion turbine generators, four generator step up transformers, and four continuous emissions monitor systems. In addition, we also procured and constructed the inlet chilling system and ammonia systems, five gas compressors and associated piping, plant air system, a 20-foot sound wall around the entire facility and the Plant Operations Building.
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Conserving Precious Resources Water conservation was a major goal on the project. During peak usage the turbines could use up to 413,000 gallons of water a day for cooling purposes. Rather than use potable water for cooling the turbines, the City contracted with the Orange County Water District to use reclaimed water from the Orange County Groundwater Replenishment System. The only potable water used on the site is in restrooms, kitchens, drinking fountains, and in some emergency services. Silver Results Use of reclaimed water is one reason portions of the Canyon Power Plant earned LEED Silver certification from the U.S. Green Building Council. Other environmental initiatives included solar panels on plant buildings and a geothermal cooling system at the control building. Using Electricity Wisely The Plant has the capability to provide energy to 150,000 residents in the City of Anaheim during peak hours. SCPPA stated that the project, “Has the power capability to make a difference between forcing customers to turn off their electricity use completely, versus using electricity more wisely during the hot summer months.”
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