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The Draft Transmission Programmatic Environmental Impact Statement (EIS) was released on March 31, 2025. To review the document visit the Transmission PEIS webpage. 
There has been an extension to comment on the Draft PEIS until May 15th. 

The Carriger Solar Draft Order #899 is available for comment April 29th through May 1st 11:59 pm. You can see the Draft Order under the "Orders" header towards the bottom of the Carriger Solar webpage.  

There are two Special Meetings for the Carriger Solar project set for May 5th and May 6th. For more information, visit the Carriger Solar webpage. 

If you would like to submit a comment for either of the above visit our comment database: https://comments.efsec.wa.gov

EFSEC Document

Wautoma Solar - Innergex Renewable Development USA, LLC - Docket:220355

Process Type Document Group(s) Document link File Date Document Set
SEPA MDNS (Mitigated Determination of Nonsignificance)
Wautoma MDNS SEPA Staff Memo 05/15/2024 001
SEPA MDNS (Mitigated Determination of Nonsignificance)
Wautoma MDNS (Mitigated Determination of Nonsignificance) 05/20/2024 001
SEPA MDNS (Mitigated Determination of Nonsignificance)
Wautoma Revised MDNS (Mitigated Determination of Nonsignificance) 06/14/2024 001
SEPA MDNS (Mitigated Determination of Nonsignificance)
Figure A-10: Wautoma Solar Transportation Routes 06/14/2024 001
SEPA MDNS (Mitigated Determination of Nonsignificance)
Wautoma Revised MDNS Supplemental Staff Memo Post SEPA Comment Period 06/14/2024 001
SEPA MDNS (Mitigated Determination of Nonsignificance)
Mitigated Determination of Non-Significance (MDNS) 04/04/2025 002
SEPA MDNS (Mitigated Determination of Nonsignificance)
MDNS Staff Memo 04/04/2025 002
SEPA MDNS (Mitigated Determination of Nonsignificance)
MDNS Staff Memo Attachment Figure 11 04/04/2025 002
SEPA MDNS (Mitigated Determination of Nonsignificance)
RMDNS - Attachment 2 10/28/2022 022
SEPA MDNS (Mitigated Determination of Nonsignificance)
May 2024 RMDNS - Attachment 2 05/08/2024 024
SEPA MDNS (Mitigated Determination of Nonsignificance)
May 2024 RMDNS Final 05/08/2024 024
SEPA MDNS (Mitigated Determination of Nonsignificance)
May 2024 RMDNS Staff Memo 05/08/2024 024
SEPA MDNS (Mitigated Determination of Nonsignificance)
May 2024 MDNS - Supplemental Staff Memo 05/08/2024 024
SEPA Memorandum
MDNS Staff Memo 09/30/2022
SEPA Memorandum
Attachment 1 - June 24, 2021 Staff Memo - Revised 06/24/2021 00037
Revised MDNS documents
SEPA Memorandum
Supplemental Staff Memo 07/30/2021 00037
Revised MDNS documents
SEPA Memorandum
SEPA Memo 02/27/2018 00081
Mitigated Determination of Nonsignificance, Notice of...
SEPA Memorandum
Environmental Review and Staff Recommendation Memo 09/25/2018 00115
Addendum to Final Supplemental EIS; Staff Memorandum...
SEPA Memorandum
SEPA determination letter 04/17/2018 00171
Revised Mitigated Determination of Non-Significance for...
SEPA Memorandum
PEIS Scoping Memo 06/28/2024 Scoping
SEPA Notice
Public Notice 12/16/2022
SEPA Notice
Badger Mountain Scoping Notice and Determination of Significance 03/14/2022 00020
Badger Mountain Scoping Notice and attachments
SEPA Notice [No group] Scoping Notice 03/14/2022 00021
Badger Mountain SEPA Scoping Notice.
SEPA Notice
Notice - SEPA Determination of Significance and Request for Comments on Scope of Environmental Impact Statement 05/11/2021 00027
SEPA Scoping Notice
SEPA Notice
Public Notice 06/24/2021 00034
Mitigated Determination of Non-significance (MDNS)
SEPA Notice
Notice of Revised MDNS 07/30/2021 00037
Revised MDNS documents
SEPA Notice
MDNS Replacement 02/27/2018 00082
Replacement document for MDNS Notice.
SEPA Notice
Horse Heaven DEIS Public Comment Meeting Notice 01/20/2023 001
SEPA Notice
PEIS Notice - SEPA Determination of Significance and Request for Comments on Scope of Environmental Impact Statement 06/28/2024 001
SEPA Notice
PEIS Notice SPANISH - SEPA Determination of Significance and Request for Comments on Scope of Environmental Impact Statement 06/28/2024 001
SEPA Notice
Notice of Order granting expedited processing and issuance of revised MDNS 04/18/2018 00171
Revised Mitigated Determination of Non-Significance for...
SEPA Notice
Notice - Final EIS 10/31/2023 FEIS
SEPA Notice
Notice - Final EIS Special Meeting 11/16/2023 FEIS
SEPA Presentation
Draft EIS Overview Presentation 11/15/2022
SEPA Presentation
Mitigation Presentation - Final EIS Special Meeting 11/29/2023 FEIS
SEPA Presentation
October 18 2023 FEIS Presentation 10/18/2023 FEIS Presentation
SEPA Presentation
November 15 2023 FEIS Presentation 11/15/2023 FEIS Presentation
SEPA Presentation
December 20, 2023 Mitigation Changes - Applicant 12/20/2023 FEIS Presentation
SEPA Presentation
December 20, 2023 Mitigation Changes - Council 12/20/2023 FEIS Presentation
SEPA Presentation
PEIS Scoping Public Comment Meeting Presentation 07/18/2024 Scoping
SEPA Report
Appendix A Oct 2003 Final Report - Cumulative Impacts Analysis For Avain Resources from Proposed Wind Projects in Kittitas Co., WA 10/01/2003 00020
Final Environmental Impact Statement Appendices for...
SEPA Report
Appendix B Nov 2005 Shadow Flicker Simulations 11/01/2005 00020
Final Environmental Impact Statement Appendices for...
SEPA Response
Data Request 1 Response 07/01/2021 00043
Data Request 1
SEPA Response
Data Request Response 2 Supplemental Response 1 09/10/2021 00044
Data Request 2
SEPA Response
Data Request 2 Response 2 Vegetation Impacts 09/10/2021 00044
Data Request 2
SEPA Response
Data Request 2 Response 2 Attachment Wildlife 09/10/2021 00044
Data Request 2
SEPA Response
2021 Botany and Habitat Survey Report – August 2021 09/10/2021 00044
Data Request 2
SEPA Response
Data Request 2 Visual 09/20/2021 00044
Data Request 2
SEPA Response
Data Request 3 Response 2 09/10/2021 00045
Data Request 3
SEPA Response
Response to Data Request 7 04/21/2023 001

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