While it may seem that your solar panels are always affixed to your roof permanently, the best ones permit repositioning of the angles. Fixed angle panels are just not that efficient.
Don't be scared off from solar energy because you see certain companies shutting their doors. Solar energy is a big part of the country's future. It's not only great for the environment; it also saves you a lot of cash. That's a win-win across the board, and you'll be happy for looking into it now.
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Try to choose solar panels that can have their angles adjusted easily. The angle at which the sun hits the Earth changes throughout the year. This means that the best angle to catch the suns rays can be very different between summer and winter. Ideally you want to at least be able to adjust the angle of your panels twice a year, however if you can find some that allow adjustments four times a year (spring, summer, fall, winter) that is even better.
Switching to solar energy can save a ton on your electric bill. Solar power is absorbed through panels that are properly positioned on your roof. It is especially convenient if you live in an area that gets a long of sun. This will provide usable energy to your home in a much cheaper fashion than conventional electricity.