Geothermal Heat Pump Grant Program (Maryland)

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Last modified on February 12, 2015.

Financial Incentive Program

Place Maryland

Name Geothermal Heat Pump Grant Program
Incentive Type State Rebate Program
Applicable Sector Commercial, Industrial, Institutional, Local Government, Nonprofit, Residential, Schools
Eligible Technologies Geothermal Heat Pumps
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs
Amount Residential: $3,000 per project

Non-residential: $90-$180 per ton (varies by system size)

Eligible System Size Residential: 1 - 10 tons

Non-residential: 1 - 50 tons

Equipment Requirements Must meet the safety and performance standards of a nationally recognized testing laboratory including:

A minimum Energy Efficiency Ratio (EER) of 14.0;
A minimum Coefficient of Performance (COP) of 3.0

Start Date 2007

Funding Source Strategic Energy Investment Fund (SEIF)

Installation Requirements Must comply with all State and local laws and ordinances

Maximum Incentive Residential: $3,000

Non-residential: $4,500

Program Administrator Maryland Energy Administration
Date added to DSIRE 2007-10-10
Last DSIRE Review 2013-10-29
Last Substantive Modification
to Summary by DSIRE

References DSIRE[1]


The Maryland Energy Administration (MEA) offers rebates of $3,000 for residential geothermal heat pump systems and up to $4,500 for non-residential geothermal heat pump systems. The residential program offers a flat per system incentive ($3,000) for systems with up to 10 tons of refrigeration capacity (1 ton is equivalent to 12,000 BTUs). The non-residential program offers $180 per ton for systems of less than 25 tons and $90 per ton for systems from 25 - 50 tons. It is important to note that these system size/capacity ranges are exclusive, not additive in nature. For example, a 37.5 ton system would be eligible for an incentive of $3,375 (37.5 tons X $90/ton), not $180/ton for the first 25 tons plus $90/ton for the additional 12.5 tons. Funding for the program is provided annually from the Maryland Strategic Energy Investment Fund (SEIF), which receives income from greenhouse gas emission auctions under the Regional Greenhouse Gas Initiative (RGGI).

The definition of geothermal heat pump property does not include swimming pools, hot tubs, or any other energy storage device that has a primary function other than storage. In addition, systems should have a minimum Energy Efficiency Ratio (EER) of 14.0 and a minimum Coefficient of Performance (COP) of 3.0 according to the testing standards of the Air Conditioning and Refrigeration Institute (ARI) or another nationally recognized agency.

Rebate applications must include information on the type of system being installed, the installer, and contain copies of any necessary permits. Not all systems are guaranteed rebates and the MEA may elect to award an amount different than the one requested in the application. If a project is approved the applicant then has 270 days to install the system, assemble the necessary supporting documentation, and submit a completion certificate to the MEA claiming their rebate, or they risk losing their rebate. If a system has already been installed prior to submitting an application to MEA, the project is still eligible for a grant, as long as the system meets the program requirements and was placed in service during the same fiscal year (e.g., July 1, 2010 – June 30, 2011) that the application was submitted. Persons with previously installed systems should contact the MEA for further information.

Incentive Contact

Contact Name Public Information Officer - MEA
Department Maryland Energy Administration

Address 60 West Street, 3rd Floor

Place Annapolis, Maryland
Zip/Postal Code 21401
Phone (410) 260-7655
Phone 2 (800) 723-6374


Authorities (Please contact the if there are any file problems.)

Authority 1: MD STATE-GOVT §9–20B-01 et seq.

Authority 2: COMAR 14.26.04

  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]


  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"