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Conditional use · Planning application

Electrical substation and 14 tall power poles approved for Micron campus expansion

The Planning and Zoning Commission approved the permit July 6 for a substation and poles 85 to 100 feet tall on about 40 acres, with conditions. It also recommended that City Council approve annexing about 240 acres for the campus.

ApprovedCUP26-00012Filed March 24, 2026Southeast Boise+4 related filings
Site plan for Electrical substation and 14 tall power poles approved for Micron campus expansion
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

From the filing

The application's description as it appears in City of Boise's record. See the official record

Micron Technology's request covers annexing about 239.7 acres next to its existing campus at 8000 S Federal Way into the City of Boise with industrial technology zoning, and changing its development agreement. It also includes an electric substation and power transmission poles about 85 to 100 feet tall. The Planning and Zoning Commission approved the substation permit and recommended that City Council approve the annexation.

Annexation, development agreement modification, and a conditional use permit for electrical substation

Project name on file: S1608417250

Timeline

  1. July 20, 2026

    Appeal Period: Completed

  2. July 20, 2026

    Review Complete: Completed

  3. July 20, 2026

    Current Planning: Complete

  4. July 6, 2026

    Public hearing: Planning and Zoning Commission

    Outcome: Approved.

  5. July 6, 2026

    Decision: Approved

    Hearing marked “Approved” on 2026-07-06.

  6. July 6, 2026

    Hearing: Approved

  7. July 1, 2026

    Review Complete: Completed

  8. July 1, 2026

    Current Planning: Complete

  9. May 11, 2026

    Public hearing: Planning and Zoning Commission

  10. March 27, 2026

    Current Planning: In Review

  11. March 27, 2026

    Assign Reviewers: Completed

  12. March 24, 2026

    Fee Payment: Payment Received

    monthly invoice with Building

  13. March 24, 2026

    Prescreen Review: Passed

  14. March 24, 2026

    Prescreen Review: In Progress

  15. March 24, 2026

    Application Submittal: ePlanReview

  16. March 24, 2026

    Application filed

Documents

Site plans

  • Annotated site plan of the access and utility layout, with handwritten reviewer notes about vaults, valves, abandoned lines and as-built checks.

    March 31, 2026 · 1 page · 551 KB · PDS-Maps and Drawings

    Download Access site plan
  • Marked-up conceptual site plan at 1 inch to 300 feet showing utility vaults, trenches and pipe runs, with staff notes flagging items to confirm and update.

    March 31, 2026 · 1 page · 537 KB · PDS-Maps and Drawings

    Download Conceptual site plan with utility annotations

Plans

  • Site drawing sheet showing building heights, base and top elevations, earth berms and property fence for the electric yard, with 3D views toward the residential neighborhood.

    March 31, 2026 · 1 page · 2.2 MB · PDS-Maps and Drawings

    Download Aerial view, elevations and eye-level 3D views of electric yard
  • Sheet showing the proposed landscaping seed mixture, perimeter fence and luminaire details, with specifications and a berm section.

    March 31, 2026 · 1 page · 2.6 MB · PDS-Maps and Drawings

    Download Landscape plan with seed mix and fence details

Project narrative

  • Supplemental narrative from the applicant supporting the annexation, development agreement, and conditional use permit, covering Idaho Power transmission poles and an ACHD Master Street Map amendment request.

    July 2, 2026 · 8 pages · 755 KB · PDS-Letter of Intent

    Download Supplemental narrative letter on substation poles and ACHD street map
  • Letter updating the Memory Road extension alignment in the Master Street Map request, with Exhibit A (proposed map changes) and Exhibit B (revised road network) attached.

    July 2, 2026 · 3 pages · 360 KB · PDS-Letter of Intent

    Download Updated Master Street Map request letter
  • Micron's March 24, 2026 narrative supporting annexation with I-3 zoning, a development agreement modification, and a conditional use permit for an electric substation at its East Campus expansion.

    March 31, 2026 · 6 pages · 316 KB · PDS-Letter of Intent

    Download Letter of explanation narrative for annexation, development agreement and conditional use…

Staff reports

Decisions

  • Letter notifying the applicant that the commission approved the conditional use permit for an electric substation and recommended approval of the annexation and development agreement modification, with appeal deadlines.

    July 9, 2026 · 11 pages · 241 KB · PDS-Project Report/Memo

    Download Planning and Zoning Commission action letter, July 6 hearing
  • Letter notifying the applicant that the Commission approved the conditional use permit for an electric substation and recommended approval of the annexation and development agreement modification, with appeal deadlines.

    July 9, 2026 · 11 pages · 241 KB · PDS-Project Report/Memo

    Download Planning and Zoning action letter, July 6 meeting
  • ACHD approved Master Street Map amendments for a realigned Memory Road and collector network, and recommends right-of-way dedication and a future Blacks Creek Road connection study.

    July 2, 2026 · 3 pages · 581 KB · PDS-Agency Comments

    Download Ada County Highway District action letter

Notices

  • A sworn statement that the property was posted on June 15, 2026, at least fifteen days before the July 6 Planning and Zoning hearing, with photos submitted and signs to be removed afterward.

    June 16, 2026 · 7 pages · 516 KB · PDS-Legal Notice

    Download Affidavit of site posting for the July 6 hearing
  • Postcard notice of a Planning and Zoning Commission public hearing on the listed item, with in-person, online and written testimony instructions.

    June 16, 2026 · 2 pages · 971 KB · PDS-Legal Notice

    Download Notice of Planning and Zoning Commission public hearing

Application

  • Application for annexation, a development agreement modification, and a conditional use permit for an electrical substation on about 39.83 acres of vacant land, filed by Givens Pursley LLP for Micron Technology.

    March 24, 2026 · 5 pages · 296 KB · PDS-Application

    Download Conditional use permit application

Photos

  • Four aerial-style site views labeled north, east, south and west, dated March 24, 2026.

    March 31, 2026 · 4 pages · 5.1 MB · PDS-Photos

    Download Site photos from four directions

Correspondence

  • Airport staff say two parcels in the airport influence area need an avigation easement as a standard condition of approval, while a third parcel does not.

    July 2, 2026 · 1 page · 128 KB · PDS-Agency Comments

    Download Boise Airport comments on avigation easement
  • Public Works hillside and drainage conditions requiring a comprehensive drainage plan and a stormwater management plan before building or grading permits.

    July 2, 2026 · 1 page · 138 KB · PDS-Agency Comments

    Download Public Works drainage comments
  • Public Works has no objections to the conditional use permit and asks the applicant to coordinate with the department on sewer facilities.

    July 2, 2026 · 1 page · 64 KB · PDS-Agency Comments

    Download Public Works sewer comments
  • Public Works Solid Waste staff report no comments on the application and link to trash enclosure design and location standards.

    July 2, 2026 · 1 page · 114 KB · PDS-Agency Comments

    Download Solid Waste Division comments
  • IDL letter objecting to relocating a road across state endowment land and suggesting the road shift south of the endowment parcel instead.

    July 2, 2026 · 2 pages · 79 KB · PDS-Agency Comments

    Download Idaho Department of Lands comments on proposed road realignment
  • Veolia confirms water service is available to the listed parcels under its current tariffs, with new mains, services and hydrants required at the owner's cost; the letter expires after twelve months.

    July 2, 2026 · 1 page · 266 KB · PDS-Agency Comments

    Download Veolia water will-serve letter
  • Staff memo transmitting late applicant and public correspondence, including a revised Development Agreement modification and an assured water supply application for the Micron annexation and substation permit.

    July 2, 2026 · 37 pages · 2.7 MB · PDS-Correspondence

    Download Late correspondence packet for July 6 Planning and Zoning Commission meeting
  • Letter to the applicant scheduling the July 6, 2026 Boise City Planning and Zoning Commission hearing and outlining posting, agency comment and project report deadlines.

    June 10, 2026 · 1 page · 106 KB · PDS-Correspondence

    Download Notice of the July 6 Planning and Zoning Commission hearing
  • Letter to the applicant's counsel scheduling the May 11, 2026 hearing, with instructions on site posting, agency comments, and the project report.

    April 15, 2026 · 1 page · 106 KB · PDS-Correspondence

    Download Notice of the May 11 Planning and Zoning Commission hearing
  • Public Works hillside and drainage conditions requiring a comprehensive drainage plan and a stormwater management plan before building or grading permits.

    March 31, 2026 · 1 page · 138 KB · PDS-Agency Comments

    Download Public Works drainage comments

Public comments

  • Public comment

    July 2, 2026 · 5.3 MB · PDS-Public Comment

  • Public comment

    July 2, 2026 · 1.3 MB · PDS-Public Comment

  • Public comment

    July 2, 2026 · 107 KB · PDS-Public Comment

  • Public comment

    April 30, 2026 · 6.1 MB · PDS-Public Comment

Other documents

  • Aerial map

    June 16, 2026 · 1.5 MB · PDS-Maps and Drawings

  • Aerial map with city limits

    June 16, 2026 · 1.6 MB · PDS-Maps and Drawings

  • Land use map

    June 16, 2026 · 520 KB · PDS-Maps and Drawings

  • Noticing radius map

    June 16, 2026 · 710 KB · PDS-Maps and Drawings

  • Zoning map

    June 16, 2026 · 536 KB · PDS-Maps and Drawings

  • Agency transmittal

    April 1, 2026 · 138 KB · PDS-Transmittal Agencies

  • Parcel deeds

    March 31, 2026 · 1.2 MB · PDS-Deeds

  • Statement of legal interest

    March 31, 2026 · 699 KB · PDS-Statement of Legal Interest

  • Submittal checklist

    March 31, 2026 · 897 KB · PDS-Submittal Checklist

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