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iSP is a comprehensive solar energy company located in Middlebury, Connecticut. Established in 2017 by Bill Barrieau, iSP has steadily risen to become one of the leading solar energy providers in the region.
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Southbury, CT · 7.5 mi
4.4(7)
8 installs · $3.55/W avg
Cheshire, CT · 9.5 mi
7 installs · $3.35/W avg
Watertown, CT · 4.6 mi
5.0(10)
Southington, CT · 13 mi
4.7(385)
2,994 installs · $4.49/W avg
Farmington, CT · 21 mi
5.0(1)
Middletown, CT · 22 mi
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