← Back to United States
Select a county with available development opportunities.
Active site data
Not yet mapped

Jefferson County, Illinois

Properties Available
9 Properties Available
Top-Rated Sites
8 top-rated sites
Total Properties
9
Total Acreage
655+ acres
⚙️
Filter Site Opportunities Narrow the list to match your project requirements.
🎯 Refine Results
⭐ Site Opportunities
Site #29250072
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation GOODFiber GOOD
Acreage
20
Slope Deg.
2
MLS Number
29250072
Transmission Line
0.34 mi
Substation (SUB176004)
1.35 mi
Fiber (ClearWave)
0.89 mi
Verified 18 hours ago • Nov 8, 2026 12:43 AM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #2667022
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation GOODFiber GOOD
Acreage
22
Slope Deg.
0
MLS Number
2667022
Transmission Line (345.0 kV)
0.23 mi
Substation (SUB162349)
2.09 mi
Fiber (ClearWave)
0.89 mi
Verified 6 hours ago • Nov 8, 2026 1:13 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #2591838
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation EXCELLENTFiber EXCELLENT
Acreage
34
Slope Deg.
1
MLS Number
2591838
Transmission Line (138.0 kV)
0.18 mi
Substation (SUB162322)
0.08 mi
Fiber (ClearWave)
0.00 mi
Verified 6 hours ago • Nov 8, 2026 1:13 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #9552772688
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation GOODFiber GOOD
Acreage
43
Slope Deg.
0
MLS Number
9552772688
Transmission Line (345.0 kV)
0.03 mi
Substation (SUB172148)
1.58 mi
Fiber (ClearWave)
1.32 mi
Verified 19 days ago • Oct 19, 2026 7:28 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #9736739733
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation EXCELLENTFiber EXCELLENT
Acreage
43
Slope Deg.
6
MLS Number
9736739733
Transmission Line
0.14 mi
Substation (SUB172147)
0.81 mi
Fiber (ClearWave)
0.00 mi
Verified 19 days ago • Oct 19, 2026 7:28 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #9058762368
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation GOODFiber GOOD
Acreage
85
Slope Deg.
0
MLS Number
9058762368
Transmission Line (345.0 kV)
0.22 mi
Substation (SUB172148)
1.58 mi
Fiber (ClearWave)
1.37 mi
Verified 19 days ago • Oct 19, 2026 7:28 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #9131683519
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation EXCELLENTFiber GOOD
Acreage
115
Slope Deg.
2
MLS Number
9131683519
Transmission Line (138.0 kV)
0.14 mi
Substation (TAP162321 · 138.0 kV)
0.28 mi
Fiber (ClearWave)
0.53 mi
Verified 19 days ago • Oct 19, 2026 7:28 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #2209622
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power EXCELLENTSubstation EXCELLENTFiber EXCELLENT
Acreage
115
Slope Deg.
6
MLS Number
2209622
Transmission Line (138.0 kV)
0.41 mi
Substation (TAP162321 · 138.0 kV)
0.82 mi
Fiber (ClearWave)
0.00 mi
Verified 6 hours ago • Nov 8, 2026 1:13 PM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.

Site #28075096
Jefferson County, IL
Power, Substation & Fiber Proximity Scores
Power GOODSubstation POORFiber EXCELLENT
Acreage
179
Slope Deg.
1
MLS Number
28075096
Transmission Line (345.0 kV)
2.85 mi
Substation (INA · 138.0 kV)
5.43 mi
Fiber (Futiva)
0.00 mi
Verified 18 hours ago • Nov 8, 2026 12:43 AM

🔒 Unlock Full Site Intelligence

Subscribe to view transmission distances, substation ratings, and full map reports.