SPRINGFIELD, MA (WGGB/WSHM) -- The popularity of residential solar power is surging across the country and in western Massachusetts but before you sign any contracts, you need to make sure you know exactly what you’re getting into.

Drive through any neighborhood in western Massachusetts and you’re bound to see them: rooftop solar panels. They are almost as numerous are the many companies now offering them which promise you everything from affordable and renewable electricity to increased property values and selling advantages. For Paul Mikuszewski of Wilbraham, who bought solar panels for his former house in Agawam about seven years ago, the green energy option made sense at first, plus he said the salesperson assured him if he ever decided to sell his house, which he wasn’t planning to d

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