Onyx - Allen Harim
18752 Harbeson Rd., Harbeson, DE 19951Plant Summary Information
Onyx - Allen Harim is ranked #28 out of 34 power plants in Delaware in terms of total annual net electricity generation.
Onyx - Allen Harim generated 343.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Onyx - Allen Harim |
|---|---|
| Utility Name | Onyx Asset Services Group |
| Location | Sussex County, DE |
| Initial Operation Date | April 2017 |
| Last Update | Dec 2025 |
| Annual Generation | 1.7 GWh |
| Annual Consumption | 6.2 k MMBtu |
| Ranked #11,448 out of 13,301 Power Plants Nationwide | |
| Ranked #6,247 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #28 out of 34 Delaware Power Plants | |
| Ranked #13 out of 17 Delaware Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Onyx - Allen Harim
Monthly Plant Fuel Consumption for Onyx - Allen Harim
Onyx - Allen Harim Details
| Summary Information | |
|---|---|
| Plant Name | Onyx - Allen Harim (61206) |
| Plant Address | 18752 Harbeson Rd., Harbeson, DE 19951 |
| Utility | Onyx Asset Services Group (60584) |
| Latitude, Longitude | 38.71751, -75.28879 |
| Generation Dates on File | Apr 2017 to Dec 2025 |
| Initial Operation Date | April 2017 |
| Annual Generation | 1.7 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 17-507-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Delmarva Power (5027) DE |
| Grid Voltage | 12.47 kV |
| Energy Storage | No |
Generator 10021 Details Operating April 2017
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 1.2 MW |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 2017 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 25 |
| DC Net Capacity | 1.6 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | Yes |
| Net Metering DC Capacity | 1.6 MW |
| Virtual Net Metering Agreement | No |
Onyx - Allen Harim Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| Janus Solar Fund LP | 230 Park Avenue, New York, NY 10169 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #6237 | New Castle Solar RES | New Castle, IN | 1.7 GWh |
| #6238 | FastSun 19 CSG | Farmington, MN | 1.7 GWh |
| #6239 | FastSun 13 CSG | Osakis, MN | 1.7 GWh |
| #6240 | Tweite Community Solar LLC | Byron, MN | 1.7 GWh |
| #6241 | City of Madera WWTP | Madera, CA | 1.7 GWh |
| #6242 | FastSun 21 CSG | St. Cloud, MN | 1.7 GWh |
| #6243 | Ava Solar | Ware, MA | 1.7 GWh |
| #6244 | Carrier Clinic | Belle Mead, NJ | 1.7 GWh |
| #6245 | Cranberry Solar | Middleborough, MA | 1.7 GWh |
| #6246 | Eichtens II CSG | Winstead, MN | 1.7 GWh |
| #6248 | Peoria County IL S2 | Peoria, IL | 1.7 GWh |
| #6249 | Reeves South | Medford, NJ | 1.7 GWh |
| #6250 | Parlin Solar LLC | Sayreville, NJ | 1.7 GWh |
| #6251 | Brookville Smart Bus Depot Microgrid | Silver Spring, MD | 3.2 GWh |
| #6252 | Summit Associates | Edison, NJ | 1.7 GWh |
| #6253 | Bryant Road Solar | Spartanburg, SC | 1.7 GWh |
| #6254 | Downsville DPC Solar | Menomonee, WI | 1.7 GWh |
| #6255 | FastSun 7 CSG | Stewart, MN | 1.7 GWh |
| #6256 | Novel Peter Solar CSG | Waterville, MN | 1.7 GWh |
| #6257 | La Senita | Kingman, AZ | 1.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Onyx - Allen Harim.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ameresco Delaware South | Georgetown, DE | 22.6 GWh | 11.3 mi |
| Berlin | Berlin, MD | 59.0 MWh | 27.2 mi |
| Bruce A Henry Solar Farm | Georgetown, DE | 6.2 GWh | 7.1 mi |
| Chaberton Solar Greyrock | Pittsville, MD | 1.2 GWh | 23.7 mi |
| DEC Phase II at Georgetown | Georgetown, DE | 5.2 GWh | 7 mi |
| Federalsburg Energy Storage 1 LLC | Federaslburg, MD | 1.2 GWh | 23.4 mi |
| Gateway Solar | Berlin, MD | 14.4 GWh | 23.5 mi |
| Heimlich Solar | Greenwood, DE | 9.2 GWh | 17.9 mi |
| Indian River Generating Station | Dagsboro, DE | 2.4 GWh | 9.6 mi |
| Kent County Wastewater Treatment Solar | Milford, DE | 841.0 MWh | 20.7 mi |
| Longview Solar | Hebron, MD | 20.1 GWh | 30.5 mi |
| Lower Cape May HS | Cape May, NJ | 2.0 GWh | 27.3 mi |
| LTMUA | Villas, NJ | 933.0 MWh | 27.6 mi |
| Milford Solar Farm | Milford, DE | 18.0 GWh | 16.7 mi |
| Perdue Bridgeville Photovoltaic | Bridgeville, DE | 1.8 GWh | 17.1 mi |
| Perdue Salisbury Photovoltaic | Salisbury, MD | 1.4 GWh | 27.2 mi |
| Todd Solar | Hurlock, MD | 31.5 GWh | 30.3 mi |
| University of Delaware Wind Turbine | Lewes, DE | 4.1 GWh | 8.1 mi |
| Wicomico | Salisbury, MD | 14.0 GWh | 29.6 mi |
| Wor-Wic Community College - Offsite | Hebron, MD | 3.4 GWh | 30.2 mi |