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March 4, 2010
PORTLAND — In the early 1980s, Tom Hard and Mary Lane Stevens built a solarium onto the back of their Southeast Portland house. Sort of like a greenhouse, it passively catches sunlight and spreads warmed air to the rest of the house.
Electricity-generating solar panels, though, were another thing entirely. They always seemed far more futuristic, Hard says. And expensive. And involved complicated tax credits and other financial gizmos.
. . .