102 



28 



vihert gas is available. Another 25 percent of these homes could be served 

 with gas if natural gas mains were extended. 



For a large fraction of these homes, conversion to natural gas is technically 

 feasible. However, BPA has concerns about whether a fuel switching program 

 can be designed to be cost effective. We intend to test this question through 

 our fuel switching pilot program. 



A combined cycle gas combustion turbine (CT) on average provides 38 

 Btu's in the home for every 100 Btu's of gas put in a pipeline and delivered 

 to the powerplant. On the other hand, direct gas combustion for space and 

 water heat on average provides 68 Btu's in the home for every 100 Btu's 

 put in a pipeline and delivered to a home or building. 



Question 7: Please describe the scope of BPA's activities regarding fuel switching. 



Answer; BPA has several fuel switching activities under way at this time. These 



activities are discussed in the 1992 Resource Program. 



BPA has been working with staff from the Northwest Power Planning Council 

 (Council), Oregon Public Utility Commission, Association of Northwest Gas 

 Utilities, and Northwest Natural Gas to develop a natural gas option for the 

 region's MAP manufactured home efficiency program. MAP currently 

 provides payments to manufacturers to offset the costs of building more energy 

 efficient electrically heated manufactured homes. The goal is to determine 



