Maryland Geothermal
99 verified programs, updated 2026-08-08. 3 incentive types.
Harford County - Property Tax Credit for Solar and Geothermal Devices
Property Tax IncentiveLocal, Commercial, IndustrialJanuary 14, 2026
100% of total real property taxes on the host structure for one year
Anne Arundel County - Solar and Geothermal Equipment Property Tax Credits
Property Tax IncentiveLocal, ResidentialJanuary 14, 2026
50% of the cost of materials and installation less any federal and state grants and state solar energy tax credits
Prince George's County - Solar and Geothermal Residential Property Tax Credit
Property Tax IncentiveLocal, ResidentialJanuary 14, 2026
50% of eligible costs
Baltimore Gas & Electric Company - Residential Energy Efficiency Rebate Program
Rebate ProgramUtility, Construction, ResidentialMay 9, 2024
Ducting Sealing: $500 - $750 Heat Pump Water Heater: Up to $1,600 Dehumidifier: $50 (New); $25 (Recycling) Smart Thermostat: $100 Refrigerator/Freezer (Recycling): $50 Heating and Cooling: Grants up to $3,000
PEPCO - Commercial and Industrial Energy Efficiency Incentives Program
Rebate ProgramUtility, CommercialAugust 14, 2024
Lighting: Varies Commercial Refrigeration Equipment: Varies Residential Air Conditioners: $25/unit Air Conditioner Units: $300/ton Water-Cooled Air Conditioners: $350 Packaged Terminal Air Conditioners: $75 - $125/unit Packaged Terminal Heat Pumps: $75 - $125/unit Air Source Heat Pump: $350/ton Ductless, Mini-Split Air Conditioners and Heat Pump: $225/ton Water Source Heat Pump: $300/ton Ground Source Heat Pumps: $350/ton Ground Water Source Heat Pumps: $350/ton Variable Refrigerant Flow: $350/ton Variable Frequency Drives (VFD): $1,800 - $5,000/unit (2 - 10 HP), $50/HP (15 - 20 HP) Electronically Commutated Motors: $100 - $400/unit Constant Speed Chiller: $15 - $24/ton (Base), $6 - $8/ton (Performance) VFD Chiller: $8 - $10/ton Smart Thermostats: $50/unit Hotel Room HVAC Controls: $70/room Receptacle Controls: $10/unit “Smart” Power Strips: $10/unit Vending Machine Refrigerated Control: $75/unit Vending Machine Control: $30/unit Heat Pump Water Heater: $500 - $1,000/unit Clothes Washer: $100 - $200/unit Dehumidifier: $25/unit Variable Speed Air Compressor: $100 - $125/HP Window Film: $1/sq. ft. Monitor: $5/unit Computer: $5/unit Copier: $10/unit Printer: $10/unit Multifunction: $10/unit Uninterruptible Power Supply: $40 per kVa Tune-Up: Varies Custom: $0.25 - $0.28/kWh
FirstEnergy (Potomac Edison) - Residential Energy Efficiency Rebate Program
Rebate ProgramUtility, ResidentialMay 15, 2024
Appliance Recycling Program Refrigerator: $75 Dehumidifier: $75 Freezer: $25 Room Air Conditioner: $25 Mini Refrigerator: $25 Appliance Discounts Dishwashers: $35 Water Coolers: $25 Ceiling Fans: $25 Dehumidifiers: $50 Beverage Coolers: $35 Bathroom Fans: $40 Occupancy Sensors: $7 See additional details here Home Performance with Energy Star Save up to $7,500 per project on Energy-Efficient Upgrades See details here High-Efficiency HVAC Discounts Central Air Conditioner: Up to $1,400 Air Source Heat Pump: Up to $1,300 Ductless Heating and Air Conditioning Systems: $800 Heat Pump Water Heaters: $900 Smart Thermostats: $100 Geothermal Heat Pumps: $7,000 Packaged Terminal Heat Pumps: $225 Packaged Terminal Air Conditioners: $75 Circulating Pumps: $35 Furnace Fans: $75 Cold Climate Heat Pumps: $1,700 See additional details here
Anne Arundel County - High Performance Building Property Tax Credit
Property Tax IncentiveLocal, Commercial, ResidentialJanuary 14, 2026
LEED or NGBS Silver: 40% of property taxes for 5 years LEED or NGBS Gold: 60% of real property taxes for 5 years LEED Platinum or NGBS Emerald: 80% of real property taxes for 5 years
Baltimore County - Property Tax Credit for Solar and Geothermal Devices
Property Tax IncentiveLocal, ResidentialJanuary 14, 2026
50% of eligible costs
Local Government Energy Modernization Program (L-GEM)
Grant ProgramLocal GovernmentMarch 23, 2026
AOI1 Varies (formula grant block program); other AOIs may request up to maximum amount