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Appendices - GSA

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Table B-17: Details of Solar Water Heating Calculations<br />

Name<br />

Hot Water<br />

Use<br />

(gallon/day)<br />

Solar Water<br />

Heating Area<br />

(ft 2 )<br />

Solar Water<br />

Heating<br />

Initial Cost<br />

($)<br />

SWH<br />

Utility<br />

Rebate ($)<br />

Solar<br />

Water<br />

Heating<br />

Gas<br />

Savings<br />

(therms/yr)<br />

Solar Water<br />

Heating<br />

Annual Utility<br />

Cost Savings<br />

($/yr)<br />

Solar<br />

Water<br />

Heating<br />

O&M Cost<br />

($/yr)<br />

Solar<br />

Water<br />

Heating<br />

Payback<br />

Period<br />

(yrs)<br />

Amb. Bridge, MI 851 0 $0 $0 0 $0<br />

Grand Portage, MN 770 0 $0 $0 0 $0 $0 21<br />

Noyes, MN 454 0 $0 $0 0 $0 $0 18<br />

Roseau, MN 1,106 0 $0 $0 0 $0 $0 28<br />

Intl Falls, MN 372 0 $0 $0 0 $0 $0 31<br />

Baudette, MN 86 59 $4,312 $0 151 $548 $22 8<br />

Chief Mt, MT 1,915 0 $0 $0 0 $0 $0 36<br />

Piegan, MT 1,732 0 $0 $0 0 $0 $0 16<br />

Raymond, MT 2,560 0 $0 $0 0 $0 $0 16<br />

Rooseville, MT 636 0 $0 $0 0 $0 $0 61<br />

Sweetgrass, MT 810 547 $39,911 $0 1,502 $4,444 $200 9<br />

Turner, MT 17 10 $757 $0 28 $208 $4 4<br />

Ambrose, ND 172 0 $0 $0 0 $0 $0 18<br />

Dunseith, ND 282 0 $0 $0 0 $0 $0 24<br />

Portal, ND 561 0 $0 $0 0 $0 $0 34<br />

St. John ND 172 0 $0 $0 0 $0 $0 19<br />

Pembina, ND 4,140 0 $0 $0 0 $0 $0 22<br />

Columbus, NM 600 436 $31,824 $0 1,651 $5,689 $159 6<br />

Santa Teresa, NM 1,829 0 $0 $0 0 $0 $0 20<br />

Alexandria Bay, NY 1,530 0 $0 $0 0 $0 $0 24<br />

Champlain, NY 11,603 0 $0 $0 0 $0 $0 23<br />

Massena, NY 666 703 $51,329 $0 1,699 $4,233 $257 13<br />

Fort Covington, NY 189 165 $12,074 $0 391 $1,002 $60 13<br />

Rouses Pt. NY 325 258 $18,823 $0 596 $1,452 $94 14<br />

St John Hwy, NY 442 389 $28,398 $0 900 $2,269 $142 13<br />

Trout, River, NY 254 210 $15,303 $0 496 $1,199 $77 14<br />

Chateaugay, NY 229 203 $14,820 $0 475 $1,242 $74 13<br />

Mooers, NY 162 138 $10,057 $0 329 $843 $50 13<br />

Jamieson, NY 31 24 $1,760 $0 61 $150 $9 12<br />

Niagra Falls, NY 2,163 2,592 $189,220 $0 5,949 $21,817 $946 9<br />

Ogdensburg, NY 1,782 0 $0 $0 0 $0 $0 25<br />

Brownsville/<br />

Matamoros, TX<br />

1,099 0 $0 $0 0 $0 $0 24<br />

Gateway, TX 2,128 0 $0 $0 0 $0 $0 23<br />

Columbia, TX 2,367 2,104 $153,570 $0 6,511 $19,328 $768 8<br />

Convent, TX 1,865 0 $0 $0 0 $0 $0 24<br />

148

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