Water
Heaters*
|
1994 operation cost
comparisons
|
|
Type of
equipment
|
|
Energy
Factor
|
|
Energy
Used
|
|
Annual
Operation Costs
|
|
Conventional
Gas
|
0.52
|
285
therms
|
$172
|
|
High-efficiency
Gas
|
0.72
|
205
therms
|
$124
|
|
Conventional
Electricity
|
0.82
|
5,339 kwh
|
$449
|
|
High-efficiency
Electricity
|
0.92
|
4,552 kwh
|
$383
|
Based on equipment
with first-hour rating of 75 to 86 gal. Energy factors published by
the Gas Appliance Manufacturers Association.
*Gas cost comparisons
on these pages use our base rate of .65331 per therm. To the extent
that gas costs exceed the amount included in our base rate, the
excess gas costs should be added to the base rate for comparative
purposes.
