Customers of Blue Rock Energy can purchase 10, 50 or 100 percent renewable energy to power their electricity. Blue Rock’s renewable sources include wind, biomass, and hydro-electric, and all of their power is generated in New York. Residential customers can choose 50 or 100 percent green energy at a variable rate dependent on market conditions. For a residential customer using 1,000 kilowatt hours per month, the monthly cost would be $8 and annual cost is $96. Business consumers can purchase 10, 50, or 100 percent. Blue Rock Energy provides green energy to New Yorkers through Con Edison.