March 18, 2026

1. Arizona Bill event

   H.B. 2457, Public utilities; plant construction; colocation. H.B. 2457 went to committee in the Senate. 2026-03-18. Arizona Legislature primary source (dated by the legislature's own record of the action)

2. California Bill event

   S.B. 887, California Environmental Quality Act: environmental leadership development projects: data centers: geothermal powerplant projects.. S.B. 887 went to committee in the Senate. 2026-03-18. California Legislature primary source (dated by the legislature's own record of the action)

3. Hawaii Bill event

   H.R. 196, Requesting The Hawaii State Energy Office To Convene A Working Group To Study The Potential Impacts Of Large Data Centers On Hawaii's Electric Utilities, Ratepayers, Natural Resources, And Climate Goals.. H.R. 196 went to committee in the House. 2026-03-18. Hawaii Legislature primary source (dated by the legislature's own record of the action)

4. Hawaii Bill event

   H.C.R. 206, Requesting The Hawaii State Energy Office To Convene A Working Group To Study The Potential Impacts Of Large Data Centers On Hawaii's Electric Utilities, Ratepayers, Natural Resources, And Climate Goals.. H.C.R. 206 went to committee in the House. 2026-03-18. Hawaii Legislature primary source (dated by the legislature's own record of the action)

5. Idaho Bill event

   H. 897, Amends existing law to revise a sales tax exemption for data center equipment and to revise a certain property tax exemption for certain capital investments.. H. 897 went to committee in the House. 2026-03-18. Idaho Legislature primary source (dated by the legislature's own record of the action)

6. Illinois Bill event

   H.B. 5607, ADVANCED TECHNOLOGY LEADERSHIP. H.B. 5607 went to committee in the House. 2026-03-18. Illinois Legislature primary source (dated by the legislature's own record of the action)

7. Minnesota Bill event

   S.F. 4296, Public hearings and certain disclosures prior to approval of data center development requirement. S.F. 4296 went to committee in the Senate. 2026-03-18. Minnesota Legislature primary source (dated by the legislature's own record of the action)

8. Ohio Bill event

   H.B. 646, Create the Data Center Study Commission. H.B. 646 passed the House. 2026-03-18. Ohio Legislature primary source (dated by the legislature's own record of the action)

9. Tennessee Bill event

   H.B. 1847, AN ACT to amend Tennessee Code Annotated, Title 5; Title 6; Title 7; Title 13 and Title 65, relative to data centers.. H.B. 1847 went to committee in the House. 2026-03-18. Tennessee Legislature primary source (dated by the legislature's own record of the action)

10. Tennessee Bill event

    H.B. 2456, AN ACT to amend Tennessee Code Annotated, Title 5; Title 6; Title 7; Title 10; Title 62; Title 65; Title 68 and Title 69, relative to data centers.. H.B. 2456 died when the session adjourned. 2026-03-18. Tennessee Legislature primary source (dated by the legislature's own record of the action)

11. Wisconsin Statement

    Port Washington resident. Dean Wiegert, town resident, told Common Council 24 hour construction is hellish and backup alarms on trucks wake him throughout the night Said March 18, 2026, Ozaukee Press. Ozaukee Press local outlet (paraphrased; said in the source itself)

12. Wisconsin Statement

    Port Mayor Ted Neitzke said 24 hour exterior construction would end in about a month, ending exterior 24 hour work weeks earlier than Vantage anticipated end of May Said March 18, 2026, Ozaukee Press. Ozaukee Press local outlet (paraphrased; said in the source itself)

13. Port Washington, Wisconsin Reference figure

    Ozaukee Press. Vantage Data Centers Lighthouse Campus is 675 acres: 675 acres. Port Washington, Wisconsin, 2026. Ozaukee Press local outlet (reported on this date) (source date; the content gives no date of its own)

14. Alabama News item

    Experts say utilities’ projected data center growth is speculative - Southern Environmental Law Center. Experts say utilities in four Southeast states project data center electricity demand with only 0.2% accuracy, overstating need to justify gas infrastructure. Southern Environmental Law Center, 2026-03-18. Southern Environmental Law Center local outlet (reported on this date) (reported on; the source's own date)

    AL

15. Arizona News item

    Arizona data centers warming neighboring communities by ‘several degrees’ - AZ Family. ASU research finds data centers warm neighboring Phoenix communities by several degrees Fahrenheit, raising health risks during heat waves. AZ Family, 2026-03-18. AZ Family local outlet (reported on this date) (reported on; the source's own date)

    AZ

16. Virginia News item

    Northern Virginia’s Data Center Alley Processes 70% of Global Internet Traffic - Homeland Security Today. Northern Virginia data centers process 70 percent of global internet traffic and account for increasing electricity and water consumption as AI demands rise. Homeland Security Today, 2026-03-18. Homeland Security Today primary source (reported on this date) (reported on; the source's own date)

    VA

17. Wisconsin News item

    Angry residents may get some data center relief. Port Washington mayor promises to end 24 hour construction at Vantage data center within one month; town rejects RV housing for workers. Ozaukee Press, 2026-03-18. Ozaukee Press local outlet (reported on this date) (reported on; the source's own date)

    WIvantage-port-washington-data-center-wi

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