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Case
Study:
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Greater
Lowell Technical High School
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Tyngsboro,
Massachusetts
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SUMMARY:
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Estimated (KWH) Reduction per year: ___________________________________________________________________1,120,359 Total Annual Cost Reduction: ___________________________________________________________________60% Total Estimated Savings per year: ___________________________________________________________________$109,795.00 Total Job Cost: ___________________________________________________________________$780,559.20 |
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Carpentry
Technology
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Before
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After
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EXISTING
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NEW
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(179)
2L4 34w T12 Lamps / Mag Ballasts
CONNECTED LOAD (KW): 12.53 ANNUAL KWH USAGE: 52,626 |
(37) 4L T5 HO ENVIROBRITE CONNECTED LOAD (KW): 8.66 ANNUAL KWH USAGE: 36,364 |
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| ESTIMATED
(KWH) REDUCTION PER YEAR: ________________________________________________________________16,262 ANNUAL COST REDUCTION: ________________________________________________________________30.90% |
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Gymnasium
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Before
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After
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EXISTING
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NEW
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(36) 400w Metal Halide CONNECTED LOAD (KW): 16.38 ANNUAL KWH USAGE: 68,796 |
(36) 4L T5 HO ENVIROBRITE CONNECTED LOAD (KW): 8.42 ANNUAL KWH USAGE: 35,381 |
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| ESTIMATED
(KWH) REDUCTION PER YEAR: ________________________________________________________________33,415 ANNUAL COST REDUCTION: ________________________________________________________________48.57% |
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Computer
Technology
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Before
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After
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EXISTING
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NEW
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(20)
2L4' 34w T12 Lamps / Mag Ballasts
CONNECTED LOAD (KW): 1,400 ANNUAL KWH USAGE: 5,880 |
(8) 2L4' 32w T8 Lamps/Electronic Plus Ballast (4) 1L4' 32w T8 Lamps/Electronic Plus Ballast (1) Ceiling Mounted Occupancy Sensor Connected Load (KW): 780 Annual KWH Usage:1872 |
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| ESTIMATED
(KWH) REDUCTION PER YEAR: ________________________________________________________________4,008 ANNUAL COST REDUCTION: ________________________________________________________________68.16% |
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