40 C.F.R. § 73 app A to Subpart F of Part 73

Current through March 31, 2024

Appendix A to Subpart F of Part 73 - List of Qualified Energy Conservation Measures, Qualified Renewable Generation, and Measures Applicable for Reduced Utilization

1. Demand-side Measures Applicable for the Conservation and Renewable Energy Reserve Program or Reduced Utilization

The following listed measures are approved as "qualified energy conservation measures" for purposes of the Conservation and Renewable Energy Reserve Program or reduced utilization qualified energy conservation plans under § 72.43 of this chapter. Measures not appearing on the list may also be qualified conservation measures if they meet the requirements specified in § 73.81(a) of this part.

1.1 Residential

1.1.1 Space Conditioning

Electric furnace improvements (intermittent ignition, automatic vent dampers, and heating element change-outs) Air conditioner (central and room) upgrades/replacements Heat pump (ground source, solar assisted, and conventional) upgrades/replacements Cycling of air conditioners and heat pumps Natural ventilation Heat recovery ventilation Clock thermostats Setback thermostats Geothermal steam direct use Improved equipment controls Solar assisted space conditioning (ventilation, air-conditioning, and desiccant cooling) Passive solar designs Air conditioner and heat pump clean and tune-up Heat pipes Whole house fans High efficiency fans and motors Hydronic pump insulation Register relocation Register size and blade configuration Return air location Duct sizing Duct insulation Duct sealing Duct cleaning Shade tree planting

1.1.2 Water Heating

Electric water heater upgrades/replacements Electric water heater tank wraps/blankets Low-flow showerheads and fittings Solar heating and pre-heat units Geothermal heating and pre-heat units Heat traps Water heater heat pumps Recirculation pumps Setback thermostats Water heater cycling control Solar heating for swimming pools Pipe wrap insulation

1.1.3 Lighting

Lamp replacement Dimmers Motion detectors and occupancy sensors Photovoltaic lighting Fixture replacement Outdoor lighting controls

1.1.4 Building Envelope

Attic, basement, ceiling, and wall insulation Passive solar building systems Exterior roof insulation Exterior wall insulation Exterior wall insulation bordering unheated space (e.g., a garage) Knee wall insulation in attic Floor insulation Perimeter insulation Storm windows/doors Caulking/weatherstripping Multi-glazed inserts for sliding glass doors Sliding door replacements Installation of French doors Hollow core door replacement Radiant barriers Window vent conversions Window replacement Window shade screens Low-e windows Window reduction Attic ventilation Whole house fan Passive solar design

1.1.5 Other Appliances

Refrigerator replacements Freezer replacements Oven/range replacements Dishwasher replacements Clothes washer replacements Clothes dryer replacements Customer located power generation based on photovoltaic, solar thermal, biomass, wind or geothermal resources Swimming pool pump replacements Gasket replacements Maintenance/coil cleaning

1.2 Commercial

1.2.1 Heating/Ventilation/Air Conditioning (HVAC)

Heat pump replacement Fan motor efficiency Resizing of chillers Heat pipe retrofits in air conditioning units Dehumidifiers Steam trap insulation Radiator thermostatic valves Variable speed drive on fan motor Solar assisted HVAC including ventilation, chillers, heat pumps, and desiccants HVAC piping insulation HVAC ductwork insulation Boiler insulation Automatic night setback Automatic economizer cooling Outside air control Hot and cold deck automatic reset Reheat system primary air optimization Process heat recovery Deadband thermostat Timeclocks on circulating pumps Chiller system Increase condensing unit efficiency Separate make-up air for exhaust hoods Variable air volume system Direct tower cooling (chiller strainer cycle) Multiple chiller control Radiant heating Evaporative roof surface cooling Cooling tower flow control Ceiling fans Evaporative cooling Direct expansion cooling system Heat recovery ventilation (water and air-source) Set-back controls for heating/cooling Make-up air control Manual fan switches Energy saving exhaust hood Night flushing Spot radiant heating Terminal regulated air volume control scheme Variable speed motors for HVAC system Waterside economizers Airside economizer Gray water systems Well water for cooling

1.2.2 Building envelope

Insulation Wall insulation Floor/slab insulation Roof insulation Window and door upgrades, replacements, and films (to reduce solar heat gains) Passive solar design Earth berming Shading devices and tree planting High reflectivity roof coating Evaporative cooling Infiltration reduction Weatherstripping Caulking Low-e windows Multi-glazed windows Replace glazing with insulated walls Thermal break window frames Tinted glazing Vapor barrier Vestibule entry

1.2.3 Lighting

Electronic ballast replacements Delamping Reflectors Occupancy sensors Daylighting with controls Photovoltaic lighting Efficient exterior lighting Manual selective switching Efficient exit signs Daylighting construction Cathode cutout ballasts High intensity discharge luminaries Outdoor light timeclock and photocell

1.2.4 Refrigeration

Refrigerator replacement Freezer replacement Optimize heat gains to refrigerated space Optimize defrost control Refrigeration pressure optimization control High efficiency compressors Anti-condensate heater control Floating head pressure Hot gas defrost Parallel unequal compressors Variable speed compressors Water cooler controls Waste heat utilization Air doors on refrigeration equipment

1.2.5 Water Heating

Electric water heating upgrades/replacements Electric water heater wraps/blankets Pipe insulation Solar heating and/or pre-heat units Geothermal heating and/or pre-heat units Circulating pump control Point-of-use water heater Heat recovery domestic water heater (DWH) system Chemical dishwashing system End-use reduction using low-flow fittings

1.2.6 Other end-uses and miscellaneous

Energy management control systems for building operations Customer located power based on photovoltaic, solar thermal, biomass, wind, and geothermal resources Energy efficient office equipment Customer-owned transformer upgrades and proper sizing

1.3 Industial

1.3.1 Motors

Retire inefficient motors and replace with energy efficient motors, including the use of electronic adjustable speed or variable frequency drives Rebuild motors to operate more efficiently through greater contamination protection and improved magnetic materials Install self-starters Replace improperly sized motors

1.3.2 Lighting

Electronic ballast replacement/improvement Electromagnetic ballast upgrade Installation of reflectors Substitution of lamps with built-in automatic cathode cut-out switches Modify ballast circuits with additional impedance devices Metal halide and high pressure sodium lamp retrofits High pressure sodium retrofits Daylighting with controls Occupancy sensors Delamping Photovoltaic lighting Two step and dimmable high intensity discharge ballast

1.3.3 Heating/Ventilation/Air Conditioning (HVAC)

Heat pump replacement/upgrade Furnace upgrade/replacement Fan motor efficiency Resizing of chillers Heat pipe retrofits on air conditioners Variable speed drive on fan motor Solar assisted HVAC including ventilation, chillers, heat pumps and desiccants

1.3.4 Industrial Processes

Upgrades in heat transfer equipment Insulation and burner upgrades for industrial furnaces/ovens/boilers to reduce electricity loads on motors and fans Insulation and redesign of piping Upgrades/retrofits in condenser/evaporation equipment Process air and water filtration for improved efficiency Upgrades of catalytic combustors Solar process heat Customer located power based on photovoltaic, solar thermal, biomass, wind, and geothermal resources Power factor controllers Utilization of waste gas fuels Steam line and steam trap repairs/upgrades Compressed air system improvements/repairs Industrial process heat pump Optimization of equipment lubrication or maintenance Resizing of process equipment for optimal energy efficiency Use of unique thermodynamic power cycles

1.3.5 Building Envelope

Insulation of ceiling, walls, and ducts Window and door replacement/upgrade, including thermal energy barriers Caulking/weatherstripping

1.3.6 Water Heating

Electric water heater upgrades/replacements Electric water heater wraps/blankets Pipe insulation Low-flow showerheads and fittings Solar heating and pre-heat units Geothermal heating and pre-heat units

1.3.7 Other End-uses and miscellaneous

Refrigeration system retrofit/replacement Energy management control systems and end use metering Customer-owned transformer retrofits/replacements and proper sizing

1.4 Agricultural

1.4.1 Space Conditioning

Building envelope measures Efficient HVAC equipment Heat pipe retrofit on air conditioners System and control measures Solar assisted HVAC including ventilation, chillers, heat pumps, and desiccants Air-source and geothermal heat pumps replacement/upgrades

1.4.2 Water heating

Upgrades/replacements Water heater wraps/blankets Pipe insulation Low-flow showerheads and fittings Solart heating and/or pre-hear units Geothermal heating and/or pre-heat units

1.4.3 Lighting

Electronic ballast replacements Delamping Reflectors Occupancy sensors Daylighting with controls Photovoltaic lighting Outdoor lighting controls

1.4.4 Pumping/Irrigation

Pump upgrades/retrofits Computerized pump control systems Irrigation load management strategies Irrigation pumping plants Computer irrigation control Surge irrigation Computerized scheduling of irrigation Drip irrigation systems

1.4.5 Motors

Retire inefficient motors and replace with energy efficient motors, including the use of electronic adjustable speed and variable frequency drives Rebuild motors to operate more efficiently through greater contamination protection and improved magnetic materials Install self-starters Replace improperly sized motors

1.4.6 Other end uses

Ventilation fans Cooling and refrigeration system upgrades Grain drying using unheated air Grain drying using low temperature electric Customer-owned transformer retrofits/replacements and proper sizing Programmable controllers for electrical farm equipment Controlled livestock ventilation Water heating for production agriculture Milk cooler heat exchangers Direct expansion/ice bank milk cooling Low energy precision application systems Heat pump crop drying

1.5 Government Services Sector

1.5.1 Streetlighting

Replace incandescent and mercury vapor lamps with high pressure sodium and metal halide

1.5.2 Other

Energy efficiency improvements in motors, pumps, and controls for water supply and waste water treatment District heating and cooling measures derived for cogeneration that result in electricity savings

2. Supply-side Measures Applicable for Reduced Utilization

Supply-side measures that may be approved for purposes of reduced utilization plans under § 72.43 include the following:

2.1 Generation efficiency

Heat rate improvement programs Availability improvement programs Coal cleaning measures that improve boiler efficiency Turbine improvements Boiler improvements Control improvements, including artificial intelligence and expert systems Distributed control-local (real-time) versus central (delayed) Equipment monitoring Performance monitoring Preventive maintenance Additional or improved heat recovery Sliding/variable pressure operations Adjustable speed drives Improved personnel training to improve man/machine interface

2.2 Transmission and distribution efficiency

High efficiency transformer switchouts using amorphous core and silicon steel technologies Low-loss windings Innovative cable insulation Reactive power dispatch optimization Power factor control Primary feeder reconfiguration Primary distribution voltage upgrades High efficiency substation transformers Controllable series capacitors Real-time distribution data acquisition analysis and control systems Conservation voltage regulation

3. Renewable Energy Generation Measures Applicable for the Conservation and Renewable Energy Reserve Program

The following listed measures are approved as "qualified renewable energy generation" for purposes of the Conservation and Renewable Energy Reserve Program. Measures not appearing on the list may also be qualified renewable energy generation measures if they meet the requirements specified in § 73.81 .

3.1 Biomass resources

Combustible energy-producing materials from biological sources which include: wood, plant residues, biological wastes, landfill gas, energy crops, and eligible components of municipal solid waste.

3.2 Solar resources

Solar thermal systems and the non-fossil fuel portion of solar thermal hybrid systems Grid and non-grid connected photovoltaic systems, including systems added for voltage or capacity augmentation of a distribution grid.

3.4 Geothermal resources

Hydrothermal or geopressurized resources used for dry steam, flash steam, or binary cycle generation of electricity.

3.5 Wind resources

40 C.F.R. 73 app A to Subpart F of Part 73