I got the data from the BLS price indexes. In the charts below I normalized the prices to 1979 = 1.0 and then adjusted from there. The 1979 prices were : Fuel oil was 0.728, electricity was .05 a KWH and gas was 31.8 for 100 therms. Note the gas data only goes up to 2013.
Annual growth rates for the 34-35 year period are :
fuel oil = 4.8%
electricity = 2.9%
gas = 3.5%
Here are the charts :
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You'll note that from 1979 to around 2000 that the prices generally grew at a more similar rate and then after 2000 the oil and gas prices jumped drastically. So looking at just the most recent years :
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