We offer you with photovoltaics for at least the next 20 years supply of electricity to the minimum fare (between 8.5 to 10.5 ct / kWh). After experience, four years, depending on the individual situation, your used equity will be earned, without having considered Your tax situation at all.
Since 2000 the price of electricity for businesses, including the surcharges and taxes, increased by approximately 68%. This means an average increase of over 5% per year. The graph below shows the development of electricity prices (net), with an annual increase of 2.5%. In 2034, the expected electricity price is around 34ct/kWh.