- Microgrids in this database include systems serving electricity to multiple buildings and/or consisting of more than one distributed energy resource. Microgrids must operate either continuously or conditionally during normal operating conditions.
- Microgrids with a Generation or Storage Capacity of 0.0 kW could represent generation or storage systems with unknown capacities.
- Microgrids that operate continuously supply power to the host site on a regular basis, both in grid-connected and island mode, and can be relied upon for uninterrupted power during extended grid outages.
- Microgrids that operate conditionally do not supply power to the host site on a continuous basis while grid connected. Instead, power supply to the site is based on the availability of renewable resources or market signals such as demand response or real-time pricing.
- All microgrids in this database must be capable of supplying continuous power to site loads when disconnected from the larger grid.
U.S. Department of Energy Combined Heat and Power
and Microgrid Installation Databases
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Microgrid Installations in Tennessee
More detailed data files with additional information are available on the Data Download page.
| Organization Name | Project Name | City | Op Year | Latest Install Year | Primary Application | Grid Connected | Microgrid Type | Generation Capacity (kW) | Storage Capacity (kW) | Technologies | Last Verified | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
City |
"Power |
Chattanooga | 2023 | 2023 |
Research |
Yes | Conditional | 355.0 | 500.0 | Diesel, Solar, Storage | 2024 | |
|
Chattanooga |
Chattanooga |
Chattanooga | 2019 | 2019 | Airport | Yes | Conditional | 2,741.0 | 560.0 | Solar, Storage | 2023 | |
|
Erlanger |
Erlanger |
Chattanooga | 2018 | 2018 |
Hospital |
Yes | Continuous | 8,000.0 | 0.0 | CHP | 2024 |
State Summary for Tennessee
| Technology | Sites* | Capacity (KW) |
|---|---|---|
| Total | 3 | 12,156 |
| CHP | 1 | 8,000 |
| Diesel | 1 | 200 |
| Solar | 2 | 2,896 |
| Storage | 2 | 1,060 |
* Most microgrids contain multiple technologies, so site totals by technology may be greater than the total number of microgrid sites in the state.
Application Descriptions
| Application | Definition |
|---|---|
| Agriculture | Produce and livestock farms |
| Airport | Commercial airports |
| Assisted Living | Buildings providing assisted living services |
| Chemicals | Production of chemicals and chemical products |
| City/Community | Multiple customers in a community or municipal setting |
| College/University | College and university campuses |
| Data Center | Data centers |
| Electrical Equipment | Production of electronics or electrical equipment |
| Fabricated Metals | Production of metal consumer products |
| Food & Beverage Processing | Production of food and beverage products and food processing |
| Food Store | Grocery stores |
| Government | Government buildings, libraries, public works facilities, and community centers |
| Hospital/Healthcare | Buildings and campuses providing health care services, excluding assisted living |
| Hotel | Lodging accommodations, including hotels and resorts |
| Justice/Public Order | Facilities responsible for public order and safety, including police stations, fire stations, and correctional facilities |
| Military | U.S. military bases and facilities |
| Multi-Family Building | Apartment buildings, public housing facilities, and housing cooperatives |
| Other Commercial | Other commercial entities not captured by these applications |
| Other Manufacturing | Other manufacturing facilities not captured by these applications |
| Recreation | Recreational facilities, including National Parks, zoos, casinos (not part of hotels), museums, oddt locations, and small wineries/ breweries |
| Research Facility | Research and development facilities and laboratories |
| Retail/Wholesale | Distribution centers, malls, retail or wholesale stores, department stores |
| Rubber & Plastics | Production of rubber and plastic products |
| School | K-12 schools |
| Stone, Clay, Glass | Production of stone/cement, clay, or glass/ceramic products |
| Transportation Equipment | Production of parts/equipment used in vehicles, including full vehicle production |
| Utility | Utility-owned and operated systems |
| Warehouse/Cold Storage | Warehouses or cold storage facilities |
| Water Supply/Treatment | Facilities that supply water or provide direct water treatment |
| Wood Products | Lumber processing and production of products made of wood |
Column Heading Descriptions
| Heading | Description |
|---|---|
| Organization Name | Name of the owner or operator of the microgrid |
| Project Name | Name of the microgrid system |
| City | City name |
| Op Year | Year the microgrid first became operational (years of all system expansions are not shown) |
| Latest Install Year | Year of the most recent installation in the microgrid system |
| Primary Application | Primary market sector of the end-user(s) served by the microgrid |
| Grid Connected | Is the microgrid connected to a larger grid? |
| Microgrid Type | Continuous or conditional operation |
| Generation Capacity (kW) | Total electric capacity of all operational generating technologies in the microgrid (kilowatts) |
| Storage Capacity (kW) | Total electric capacity of all battery storage units in the microgrid (kilowatts) |
| Technologies | List of all operational technologies that make up the microgrid |
| Last Verified | The year of the most recent verification of data for this microgrid |
Technology Descriptions
| Code | Description |
|---|---|
| CHP | Combined heat and power installation |
| Biogas | Non-CHP biogas-fueled generator(s) |
| Diesel | Non-CHP diesel-fueled generator(s) |
| Fuel Cell | Non-CHP fuel cell system |
| Hydro | Hydroelectric power facility |
| Natural Gas | Non-CHP natural gas-fueled generator(s) |
| Solar | Photovoltaic (PV) solar panels |
| Storage | Energy storage technologies |
| Wind | Wind turbines |
| Advanced Controls* | Advanced microgrid controls system |
* Advanced microgrid control systems enable automated communication and decision-making between the microgrid and the larger grid and between DERs within the microgrid.
*Note: while this system is waste heat to power it may not meet PURPA's definition of cogeneration (aka CHP).
- Application Version 2.0.2 | Data current as of Dec 18, 2024
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