HB507Introduced in the House of Delegates
Data centers; permit requirements, emission limits for certain engine-generator sets.
Introduced by John Chilton McAuliff, District 30
What does this bill do?
Plain-English breakdown
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Official description
Permit requirements for data centers; emission limits for certain engine-generator sets. Prohibits the Department of Environmental Quality from issuing an air permit for any application submitted for a data center on or after July 1, 2026, unless the emission limit for each engine-generator, defined in the bill, established by such permit is equal to or less than the emissions achieved by a Tier 4 equivalent engine-generator.
Where it stands
Acts of Assembly Chapter text (CHAP0397)
April 8, 2026
How did lawmakers vote?
House of Delegates votes
3 recorded votes · each counted separately
Senate votes
3 recorded votes · each counted separately
SenateStage: Passed Senate (25-Y 15-N 0-A) · March 10, 2026
25
Yes
15
No
0
Absent or Not Voting
40 senators recorded in this Senate vote. Colors show vote categories only, not whether a vote was good or bad.
See how each senator voted
| Senator | District | Vote |
|---|---|---|
| Elizabeth Bennett-Parker | 5 | Yes |
| Michael Jones | 77 | Yes |
| Timmy French | 1 | No |
| Mark Obenshain | 2 | No |
| Chris Head | 3 | No |
| David Suetterlein | 4 | Yes |
| Travis Hackworth | 5 | No |
| Todd Pillion | 6 | No |
| William Stanley | 7 | No |
| Mark Peake | 8 | No |
Bill history
Prefiled and ordered printed; Offered 01-14-2026 26104969D
Referred to Committee on Agriculture, Chesapeake and Natural Resources
Assigned HACNR sub: Natural Resources
Fiscal Impact Statement from Department of Planning and Budget (HB507)
House subcommittee offered
Subcommittee recommends reporting with substitute (7-Y 3-N)
Reported from Agriculture, Chesapeake and Natural Resources with substitute (16-Y 6-N)
Committee substitute printed 26107698D-H1
Read first time
Fiscal Impact Statement from Department of Planning and Budget (HB507)
Read second time
committee substitute agreed to
Engrossed by House - committee substitute
Read third time and passed House (61-Y 34-N 0-A)
Constitutional reading dispensed (on 1st reading)
Referred to Committee on Agriculture, Conservation and Natural Resources
Reported from Agriculture, Conservation and Natural Resources (10-Y 5-N)
Rules suspended
Constitutional reading dispensed Block Vote (on 2nd reading) (39-Y 0-N 0-A)
Passed by for the day Block Vote (Voice Vote)
Passed by for the day Block Vote (Voice Vote)
Passed by for the day
Read third time
Passed Senate (25-Y 15-N 0-A)
Enrolled
Bill text as passed House and Senate (HB507ER)
Signed by President
Signed by Speaker
Enrolled Bill communicated to Governor on March 31, 2026
Governor's Action Deadline 11:59 p.m., April 13, 2026
Fiscal Impact Statement from Department of Planning and Budget (HB507)
Approved by Governor-Chapter 397 (effective 7/1/2026)
Acts of Assembly Chapter text (CHAP0397)
Verify the information
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