Data center siting snapshot: Kane County, Illinois

Line miles are measured from the archived HIFLD Transmission Lines layer inside the Census county boundary. Mapped lines are not available capacity.

What the public record shows

• The archived HIFLD map shows about 48.7 miles of 230 kV-and-above transmission line inside Kane County, IL: 0.0 miles at 500 kV or more, 48.7 miles at 345 kV and 0.0 miles at 230 kV. ^[1]
• The same map shows about 77.4 miles of 115–161 kV line in the county. ^[2]
• Owners of record with the most mapped 115 kV+ line miles in the county: Commonwealth Edison (ComEd). ^[3]
• Substation data not available in this dataset for this county: the dataset has no substation layer, and no named line endpoints touching 230 kV+ lines (the proxy used for substations) are mapped inside the county. This does not mean there are no substations. ^[4]
• Retail electric utilities whose mapped service territory covers part of the county include: Commonwealth Edison (ComEd). Territory boundaries are approximate. ^[5]
• Our records hold no county- or city-level data center moratorium or ordinance for Kane County as of 2026-11-09. ^[6]
• Illinois state/utility level, ComEd: Large-load deposits and transmission security agreements. Status: in force, dated 2026-09-16. ^[7]
• Illinois state/utility level, Illinois: Governor directive: pause Data Center Investment Program. Status: in force, dated 2026-06-05. ^[8]
• Illinois state/utility level, Illinois: SB4004 (Aquifer Protection Act) (Creates Data Center Water Transparency and Aquifer Protection Act; bars data centers from using Mahomet Aquifer water beginning 2027; bars permits for Mahomet withdrawals; requires existing users to transition by 2028; bans local nondisclosure clauses restricting water-use disclosure). Status: pending, dated 2026-06-17. ^[9]
• Illinois state/utility level, Illinois: SB4016 (Hyperscale Data Centers / POWER Act) (Comprehensive hyperscale data center regulation: cumulative impact review, public notice, community benefit agreements, NDA restrictions, water-impact permits, quarterly water reporting, water scarcity plans, energy and water reporting to ICC, hyperscale self-direct program, funds supported by annual fees based on peak demand, labor and equity provisions). Status: pending, dated 2026-05-30. ^[10]
• Illinois state/utility level, Illinois: HB5513 (Hyperscale Data Centers / POWER Act companion). Status: pending, dated 2026-05-27. ^[11]
• Illinois state/utility level, Illinois: SB2181 (Data Center Reporting) (Creates Illinois Data Center Energy and Water Reporting Act; annual energy and water reporting to IPA; IPA ratepayer-impact study; confidentiality, public access, enforcement, and penalties). Status: pending, dated 2026-05-22. ^[12]

Listed directly from the numbered facts below.

Data center rules on record

Rule records come from The MW Desk legislation tracker, which includes rows from the Moratorium Nation dataset by Michael J. Bommarito (CC BY 4.0). Statuses change; confirm with the jurisdiction's own record.

Utilities on record

Commonwealth Edison (Comed). (HIFLD/EIA-861 territory polygons; approximate and often overlapping.)

Market context on The MW Desk: Chicago.

Sources

1. [1] The archived HIFLD map shows about 48.7 miles of 230 kV-and-above transmission line inside Kane County, IL: 0.0 miles at 500 kV or more, 48.7 miles at 345 kV and 0.0 miles at 230 kV. Source: HIFLD Transmission Lines (archived by SeerAI, CC BY 4.0)
2. [2] The same map shows about 77.4 miles of 115–161 kV line in the county. Source: HIFLD Transmission Lines (archived by SeerAI, CC BY 4.0)
3. [3] Owners of record with the most mapped 115 kV+ line miles in the county: Commonwealth Edison (ComEd). Source: HIFLD Transmission Lines (archived by SeerAI, CC BY 4.0)
4. [4] Substation data not available in this dataset for this county: the dataset has no substation layer, and no named line endpoints touching 230 kV+ lines (the proxy used for substations) are mapped inside the county. This does not mean there are no substations. Source: HIFLD Transmission Lines (archived by SeerAI, CC BY 4.0)
5. [5] Retail electric utilities whose mapped service territory covers part of the county include: Commonwealth Edison (ComEd). Territory boundaries are approximate. Source: HIFLD Electric Retail Service Territories (EIA-861 based; archived by SeerAI, CC BY 4.0)
6. [6] Our records hold no county- or city-level data center moratorium or ordinance for Kane County as of 2026-11-09. Source: The MW Desk legislation tracker
7. [7] Illinois state/utility level, ComEd: Large-load deposits and transmission security agreements. Status: in force, dated 2026-09-16. Source: ComEd: secures over $1 billion in financial commitments from large load projects
8. [8] Illinois state/utility level, Illinois: Governor directive: pause Data Center Investment Program. Status: in force, dated 2026-06-05. Source: Gov. Pritzker pauses new data center tax incentives
9. [9] Illinois state/utility level, Illinois: SB4004 (Aquifer Protection Act) (Creates Data Center Water Transparency and Aquifer Protection Act; bars data centers from using Mahomet Aquifer water beginning 2027; bars permits for Mahomet withdrawals; requires existing users to transition by 2028; bans local nondisclosure clauses restricting water-use disclosure). Status: pending, dated 2026-06-17. Source: SB4004 Bill Status - Illinois General Assembly
10. [10] Illinois state/utility level, Illinois: SB4016 (Hyperscale Data Centers / POWER Act) (Comprehensive hyperscale data center regulation: cumulative impact review, public notice, community benefit agreements, NDA restrictions, water-impact permits, quarterly water reporting, water scarcity plans, energy and water reporting to ICC, hyperscale self-direct program, funds supported by annual fees based on peak demand, labor and equity provisions). Status: pending, dated 2026-05-30. Source: SB4016 Bill Status - Illinois General Assembly
11. [11] Illinois state/utility level, Illinois: HB5513 (Hyperscale Data Centers / POWER Act companion). Status: pending, dated 2026-05-27. Source: HB5513 Bill Status - Illinois General Assembly
12. [12] Illinois state/utility level, Illinois: SB2181 (Data Center Reporting) (Creates Illinois Data Center Energy and Water Reporting Act; annual energy and water reporting to IPA; IPA ratepayer-impact study; confidentiality, public access, enforcement, and penalties). Status: pending, dated 2026-05-22. Source: SB2181 Bill Status - Illinois General Assembly