TABLE 4

SEISCO ESTIMATED ANNUAL OPERATING COSTS

For Various

ELECTRIC RATES and NUMBER of HOUSEHOLD OCCUPANTS

NOTE: Estimated Annual Operating Costs are based on a 55 degree F temperature rise and typical home construction with average lengths of plumbing and pipe insulation. These costs do not reflect losses incurred due to non-insulated pipes running under a concrete slab or pipes running under a home with a non-insulated crawl space.

Electric Rates (Cents per kWh)

1 Person

40 gal./ day

(Annual Operating Cost)

2 People

50 gal./ day

(Annual Operating Cost)

Avg./ Home

64 gal./ day

(Annual Operating Cost)*

4 People

80 gal./ day

(Annual Operating Cost)

6 People

115 gal./day

(Annual Operating Cost)

4

$79

$99

$127

$158

$226

5

$99

$124

$158

$197

$283

6

$119

$148

$189

$236

$339

7

$138

$173

$221

$276

$396

8.4*

$167

$210

$270

$333

$478

9

$179

$222

$284

$355

$510

10

$198

$247

$315

$394

$566

11

$217

$272

$348

$434

$626

12

$237

$296

$378

$473

$679

13

$257

$321

$410

$512

$738

14

$276

$345

$441

$551

$796

15

$296

$370

$473

$591

$853


* Represents the national average for electric rates (8.4 Cents per kWh) and the average daily household hot water usage (64 gallons per day).