Solar power is a great source of energy: It's both infinite and eco-friendly. However, some people may need a little extra incentive to have solar panels installed on their roofs. Israeli startup Generaytor is all about showing people the financial possibilities of going solar.

Israel last week presented its first giant commercial solar field that will power three villages in the Arava desert. The energy supplied by the panels will be equal to 7 percent of the energy needs of the town of Eilat, one of Israel's biggest resort towns, according to the Arava Power Company.

Award winning Israeli company Solaris Synergy has designed solar energy grids that can float on water, reducing energy production costs, and preventing water loss. The start-up has a working prototype on the roof of its headquarters and is due to install a pilot project in 2011 under the auspices of Mekorot, Israel's water authority.