metal / wind energy property costs / qualified natural gas / energy property credit / energy storage medium / Qualified small wind energy property costs / energy factor / produce energy / electricity / metal roof / residential energy credits / electricity using electrochemical means / thermal energy sink / energy financing / energy efficiency requirements / oil furnace / residential energy property costs / Qualified residential energy property / nonbusiness energy property credit / energy property costs / Residential energy efficient property credit / energy property / energy-efficient building property / oil water heaters / oil hot water boilers / natural gas / residential energy property / energy conservation product / residential energy efficient property / energy standards / energy saving improvements / thermal energy source / subsidized energy financing / qualified energy property / energy efficient building property / residential energy efficiency credit / qualified energy efficiency improvements / oil water heater / energy efficiency improvements / qualified small wind energy property / nonbusiness energy property / annual electricity use / oil furnaces / residential energy efficient property credit carryforward / wind energy property / annual energy use / energy / /
Organization
Internal Revenue Service / Department of Energy / Department of the Treasury / /