Coal vs. Natural Gas at Wabamun
- G.H. Thompson (Calgary Power Ltd.)
- Document ID
- Petroleum Society of Canada
- Journal of Canadian Petroleum Technology
- Publication Date
- December 1962
- Document Type
- Journal Paper
- 180 - 183
- 1962. Petroleum Society of Canada
- 4.3.4 Scale, 4.6 Natural Gas
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A brief history is given of Calgary Power Limited since the company startedsupplying power and energy in 1911 from its Horseshoe Falls Hydro ElectricPlant. This paper deals primarily with the company's thermal plant on LakeWabamun, which was designed to burn coal as fuel. However, while the WabamunSteam Plant was still in the planning stage, the company was offered gasdelivery at 10½ c per million BTU's and in sufficient quantity to satisfygrowing requirements,.This gas supply was exhausted in 1961. The plant's thirdunit of 150,000 KW capacity will use coal for fuel. Comparative costs of usinggas and coal are outlined.
This paper deals with the use of natural gas and coal at the Wabamun SteamPlant of Calgary Power Ltd. The plant is located some 45 miles west of Edmontonon the Canadian National Railway main line.
First the manner in which the Company has been providing its power andenergy requirements over the years should be reviewed, since this has animportant bearing on the whole subject. The term "power" is used to denote therate of generation or use of electricity and is expressed in kilowatts (KW).The term "energy" is used to denote the quantity of electricity generated orused in any given period of time and is expressed in kilowatt hours (KWH)."Load factor" (L.F.) is an important term and is defined as the ratio of theKWH actually generated in a certain period of time to the KWH that could havebeen generated in the same period, had the units been operating continuously atfull load. Thus a 10,000 KW generator operating at full load, that is at 100%load factor, for one hour, will generate 10,000 KWH, but at 50% L.F. willgenerate only 5,000 KWH.
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