Democratic, U.S. Senator from Virginia
Now: U.S. Senator since 2009 verified October 12, 2026 · source (opens in a new tab)
On your ballot U.S. Senate, Virginia, In office (certified list (opens in a new tab), verified October 9, 2026)
Photo: U.S. Senator Mark Warner, public domain (opens in a new tab), via Wikimedia Commons (opens in a new tab), cropped.
Checked · How the record reads leaders · Report a change · Corrections
Of 7 statements on the record, 5 raised concerns about data centers and 2 carry no label.
Labels are applied by the record's published rules: two readings of each statement, and a third that reads its source where the two differ. Every label sits beside its statement and its source, and any label can be challenged through Report a change, with the correction logged on the corrections page.
What they said
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Warner argued the Ratepayer Protection Act does not go far enough and urged consideration of his Data Center Tax Accountability and Disclosure Act instead
Context & source notes
Format & Provenance: Paraphrased from source.
Where & When: September 30, 2026.
Primary Sources:
- Blue Virginia (opens in a new tab), local outlet
Label rationale: Both readings of the statement agreed. The words that set it: "does not go far enough and urged consideration of his Data Center Tax Accountability and Disclosure Act instead".
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Warner's Data Center Tax Accountability and Disclosure Act would require greater public disclosure of data centers' energy and water consumption, backup power systems and environmental impacts.
Context & source notes
Format & Provenance: Paraphrased from source.
Where & When: September 30, 2026.
Primary Sources:
- CBS 19 News (opens in a new tab), local outlet
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Warner stated his Data Center Tax Accountability and Disclosure Act would condition access to accelerated depreciation tax benefits on developers meeting standards related to energy, water, building efficiency, setbacks, and community transparency
Context & source notes
Format & Provenance: Paraphrased from source.
Where & When: September 30, 2026.
Primary Sources:
- Blue Virginia (opens in a new tab), local outlet
Label rationale: Both readings of the statement agreed. The words that set it: "condition access to accelerated depreciation tax benefits on developers meeting standards related to energy, water, building efficiency, setbacks, and community transparency".
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Senator Mark Warner called on Congress to enact mandatory protections for communities facing data center expansion, including enforceable requirements on energy costs, water usage, transparency, and community impacts
Context & source notes
Format & Provenance: Paraphrased from source. Label set by a tiebreak.
Where & When: September 30, 2026.
Primary Sources:
- Blue Virginia (opens in a new tab), local outlet
Label rationale: A tiebreak: the two first readings differed, and a third reading of the statement and its source decided. The words that set it: "I think we need real legislation on this. We need legislation that actually has some boundaries. This should not be optional.".
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U.S. Senator Mark Warner called for stronger federal requirements for data centers, arguing the Ratepayer Protection Act does not go far enough to protect communities and utility customers.
Context & source notes
Format & Provenance: Paraphrased from source.
Where & When: September 29, 2026.
Primary Sources:
- CBS 19 News (opens in a new tab), local outlet
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Mark R. Warner, U.S. Senator (D Virginia), says he introduced legislation to require transparency about data center energy and water use, make data centers pay for grid upgrades, and condition tax benefits on efficiency standards
Context & source notes
Format & Provenance: Paraphrased from source.
Where & When: September 18, 2026.
Primary Sources:
- Charlottesville Tomorrow (opens in a new tab), news outlet
Label rationale: Both readings of the statement agreed. The words that set it: "require transparency about data center energy and water use, make data centers pay for grid upgrades, and condition tax benefits on efficiency standards".
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U.S. Sen. Mark Warner and U.S. Rep. Suhas Subramanyam introduced bills requiring data centers to publicly disclose energy use, water use, emissions and backup generation impacts.
Context & source notes
Format & Provenance: Paraphrased from source.
Where & When: September 16, 2026.
Primary Sources:
- Virginia Mercury (opens in a new tab), local outlet
Label rationale: Both readings of the statement agreed. The words that set it: "requiring data centers to publicly disclose energy use, water use, emissions and backup generation impacts".
1 statement on file was labeled and is left out of the counts.
Where we looked
The record last searched for Mark R. Warner's words on October 23, 2026.
How they voted
No vote on a data center measure on the record.
Others in this race
- Bert Mizusawa Republican · U.S. Senate · the race page
Something missing?
Know a sourced statement by Mark R. Warner on data centers that is not here? Send the link. It goes to the record's inbox as a card routed to this person and publishes only after it is read against its source.
Are you Mark R. Warner or on the campaign? Ask for a correction or send a statement, or email corrections@datacenterrecord.org.
Data Center Record, "Public statements by Mark R. Warner", https://datacenterrecord.org/speakers/mark-r-warner, last verified October 23, 2026.
Reusing this page
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Last verified: October 12, 2026.