What if you do not need to pay for the electricity and you can offer others the electricity to then you should go for mounting the solar panels on your roof. As you will incur one time expenses, but going further you can generate a huge amount of revenue by selling the surplus electricity you have. As you will find the government also promotes these kinds of promotions too, as they produce no greenhouse effecting gases and Eco friendly too. In France the government offers lots of discounts and free tax to the people who have the solar panels operating.
The expenses may be huge at a time, but if you search on the internet, you will find the government has already given lots of subsidies for the installation of the plants. As the electricity generated by them promotes a clean environment as no harmful gases are involved in generating the electricity. The technology is maintenance free and panels installed have 25 years of warranty, so after the installation, there is no other major expense of electricity you will find. And for years you will not affected by any change in electricity costs. The mounting of solar panel also increases the value of your home, you can also have them professionally managed by the players in a market which will provide you hassle free services for years. These companies deal with experienced electricien bagneux(France) which will visit your plant often and if he find any discrepancy, he will fix it up in no time. As the plant is under the warranty period for a long time, then you don’t need to worry at all as you have paid once for the services and its your time to enjoy the pain you have gained by cutting your pocket once. Do promote such kind of initiatives.