One Block Off the Grid, the San Francisco-based company that creates buyers’ groups to help bring down the cost of solar panels, is kicking off its second Coachella Valley campaign Monday, offering residents the chance to go solar for $5.29 a watt.

That’s 20 cents less than the basic price the company offered in the valley last year, when HelioPower, its local installer, put 36 systems on roofs across the region November 6, 2010