Xcel Energy offers two incentives to customers who wish to install solar electric panels and sell excess electricity back to the grid.
Subsidy for residential and commercial projects up to 40,000 watts.
Budget: $4.6 million per year
Benefit: $2.25 per installed watt in a lump sum.
Subsidy for projects using solar panels made in Minnesota.*
Budget: $4 million this year, $5 million through 2015.
Benefit: Up to $5 per installed watt or 60 percent of cost over five years.
* The state has two manufacturers, TenKsolar and Silicon Energy.