Minimize the upfront costs of solar panels by considering a lease instead of a purchase. This spreads the payments over a long-term period into monthly installments, so you could actually start saving money immediately. Still, consider how long you will be in that building, as the long-term periods usually run a decade.
This video lists the cheapest Solar Panels in the world. The cheapest solar panel brands include Canadian Solar, Kyocera, SolarWorld, photon-Solar and Trina …
To realize even better savings, purchase grid tied panel systems. If your panels are connected, you might be able to sell extra power to the local utility. This should help you pay for your solar energy system and will also give you the option to draw power from the main grid in case your panels are not functioning.
Do not be discouraged at the cost of starting solar energy. You may find it pricy to get the products you need for setting up a solar energy system. But, you will find a much cheaper electric bill every month, paying off the initial start up cost and then some.