Electricity Generation Aggregated by New Jersey County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #2 | Middlesex County, NJ | 10.5 TWh | 75 |
| #11 | Burlington County, NJ | 326.7 GWh | 43 |
| #14 | Monmouth County, NJ | 168.0 GWh | 30 |
| #6 | Gloucester County, NJ | 1.7 TWh | 29 |
| #7 | Hudson County, NJ | 1.4 TWh | 28 |
| #17 | Somerset County, NJ | 106.1 GWh | 27 |
| #12 | Mercer County, NJ | 227.7 GWh | 27 |
| #4 | Essex County, NJ | 3.4 TWh | 27 |
| #3 | Union County, NJ | 10.4 TWh | 24 |
| #9 | Cumberland County, NJ | 366.7 GWh | 24 |
| #8 | Ocean County, NJ | 615.2 GWh | 23 |
| #15 | Atlantic County, NJ | 167.8 GWh | 23 |
| #10 | Camden County, NJ | 333.7 GWh | 21 |
| #13 | Hunterdon County, NJ | 187.5 GWh | 20 |
| #16 | Morris County, NJ | 116.7 GWh | 19 |
| #5 | Bergen County, NJ | 3.3 TWh | 13 |
| #19 | Sussex County, NJ | 35.3 GWh | 12 |
| #1 | Salem County, NJ | 28.1 TWh | 10 |
| #18 | Passaic County, NJ | 55.6 GWh | 6 |
| #20 | Cape May County, NJ | 4.6 GWh | 5 |
Net Generation data is based on the last 12 months since Dec 2025
Top 20 New Jersey Counties by Net Generation
Totals are based on the most recent 12 months net generation- Salem County, NJ28.09 TWh
- Middlesex County, NJ10.48 TWh
- Union County, NJ10.42 TWh
- Essex County, NJ3.37 TWh
- Bergen County, NJ3.27 TWh
- Gloucester County, NJ1.74 TWh
- Hudson County, NJ1.42 TWh
- Ocean County, NJ615.17 GWh
- Cumberland County, NJ366.68 GWh
- Camden County, NJ333.74 GWh
- Burlington County, NJ326.69 GWh
- Mercer County, NJ227.69 GWh
- Hunterdon County, NJ187.53 GWh
- Monmouth County, NJ168.04 GWh
- Atlantic County, NJ167.78 GWh
- Morris County, NJ116.71 GWh
- Somerset County, NJ106.07 GWh
- Passaic County, NJ55.65 GWh
- Sussex County, NJ35.26 GWh
- Cape May County, NJ4.61 GWh