Everything you need to know about solar energy, in one place.

Your electricity bill keeps creeping up, and it’s easy to overlook your light bulbs as a possible reason. I know it can seem like a few lights couldn’t make much of a difference, but a handful of forgotten bulbs running for hours a day can quietly add ten or more...

I picked up an LED at the hardware store, checked the wattage on the box, compared it to my lamp, and still walked out completely unsure whether I had bought the right thing because nothing on the packaging behaved the way I expected. For decades, wattage was the only number...

Your heat pump hums along fine, then your power bill spikes for no clear reason. That’s confusing when nothing in the house feels different. Heat pump wattage isn’t fixed; it shifts constantly based on outdoor temperature, system size, and how hard the compressor works at any given moment. A small...

A heat pump that is too large or too small can cost you for years. You may get one recommendation from a contractor, hear a different size from a neighbor, and still have no idea which answer is right. The question of what size heat pump I need is more...

Your solar panels are working, yet your utility bill still arrives every month. Do you still have an electric bill with solar panels? I had the same question because paying for solar makes it easy to expect those monthly bills to disappear. Instead, seeing new charges can leave you wondering...