HB 4219 Oklahoma House · 2026 Regular Session

Data centers; Data Centers Act of 2026; effective date.

HB 4219, the "Data Centers Act of 2026," establishes requirements for large-scale facilities including data centers (NAICS 518210), wind energy infrastructure, battery storage, recycling operations, and carbon capture projects. It mandates a 500-foot setback from property lines, requires developers to cover all infrastructure costs, and creates an Environmental Mitigation Fund for decommissioning obsolete facilities. The bill directly affects developers of covered facilities by imposing these operational and financial obligations. It takes effect November 1, 2026, and applies broadly beyond just data centers to other energy and environmental infrastructure.

Issues: ✓ Environment

Bill status died 1 of 4 stages cleared

Introduction

Feb 2026

Committee Review

Floor Vote

Governor

Introduced Feb 2, 2026 Last action Feb 9, 2026

Maddy AI version diff · 1 comparison

What changed between versions

Introduced → Proposed Policy Committee Substitute 1 · 6 edits

MODERATE

The bill was completely rewritten by the Policy Committee, replacing the original 'Data Centers Act of 2026' with a new version that adds specific NAICS codes for covered facilities, requires a 500-foot setback from property lines, mandates capital reserves for operations, and creates an Environmental Improvement and Mitigation Fund for decommissioning costs.

Scope change

The bill's scope was significantly expanded by adding wind energy, battery storage, carbon capture, and recycling facilities to the original data center focus, while also changing the codification status from noncodification to codification in Title 75A.

DEFINITION

Added specific NAICS codes for wind energy, battery storage, recycling, and carbon capture operations to the definition of covered facilities.

REQUIREMENT

New requirement that covered facilities must be set back at least 500 feet from property lines.

New requirement that covered facilities must have capital reserves to pay for construction, upgrades, and ongoing operations.

FISCAL

New requirement to create an Environmental Improvement and Mitigation Fund to pay for removal of obsolete materials and facilities.

TECHNICAL

Changed codification status from noncodification to codification in Section 1000 of Title 75A.

TIMELINE

Removed the original 'Data Centers Act of 2026' title and replaced it with the new act language.

Floor votes

How they voted

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Full legislative history

Actions timeline

Total actions

Key actions

Committee

Feb 9, 2026

Committee

Referred to Energy

lower

Feb 9, 2026

Committee

Referred to Energy and Natural Resources Oversight

lower

Feb 2, 2026

Introduced

First Reading

lower

1 primary · 0 co-sponsors