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The Enbridge Consumers Gas "Steam Saver" Program ("As Found" Performance and Fuel Saving Projects from Audits of 30 Steam Plants)
In Canada, medium and large sized steam plants consume approximately 442 Billion Cubic Feet (12.5 Billion Cubic Meters) of natural gas annually. This is 25% of all natural gas delivered to all customers. (Small steam plants and Hydronic heating boilers consume another 15%) Enbridge Consumers Gas, a local gas distribution company located in Toronto, has approximately 400 Industrial and Institutional customers who own medium or large sized steam plants. During the past three years, Enbridge has developed a comprehensive steam energy efficiency program called "Steam Saver". This program is aimed at these 400 customers. The heart of this program is the boiler plant audit and performance test. This paper describes the fuel saving results for more than 30 medium and large sized boiler plants where audits have been completed and projects have been implemented. The savings in cubic feet per year of natural gas are broken down according to project or technology type. The financial payback is indicated for each category. Eleven of the larger plants have been "benchmarked". Plant efficiency, fuel consumption, steam costs and other performance variables are tabulated for these plants.
Griffin, B. (2000). The Enbridge Consumers Gas "Steam Saver" Program ("As Found" Performance and Fuel Saving Projects from Audits of 30 Steam Plants). Energy Systems Laboratory (http://esl.tamu.edu). Available electronically from