Limiting those enterprising disruptors to those with 32 billion dollars to spare narrows the field a touch. :) [1] http://innovativesolarfarms.com/solar-farm-c

Limiting those enterprising disruptors to those with 32 billion dollars to spare narrows the field a touch. :) [1] http://innovativesolarfarms.com/solar-farm-cost-per-acre/ http://innovativesolarfarms.com/solar-farm-cost-per-acre/ gives $500k per acre