It may still be worth considering depending on what side your house is facing. If it faces the rising sun to the east, it will gather some energy on sunny mornings.
Even though you live in an area that has alot of non-sunny days, you still might be able to use solar energy. Some solar pannels can store the sun's energy to power your house on a day when sunlight is not available.
There are plenty of areas in the Midwest and other places where you think that solar energy would not be a viable option, where it actually is. There are various types of solar energy as well which may be a better option. Not all solar businesses are created equal and you should check around for the right one.