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

Badger Mountain (196)
Carriger Solar (141)
Cascade Renewable Transmission Project (8)
Chehalis Generation Facility (69)
Columbia Generating Station (101)
Columbia Solar (224)
Desert Claim (125)
EFSEC general documents (851)
Goldeneye Energy Storage Project (59)
Goose Prairie Solar (111)
Grays Harbor 3 & 4 (4)
Grays Harbor Energy Center (203)
High Top and Ostrea Solar Project (116)
Hop Hill Solar (54)
Horse Heaven Wind Farm (871)
Kittitas Valley Wind Power Project (197)
Tesoro Savage (34)
Wallula Gap (32)
Wautoma Solar (178)
Whistling Ridge Energy Project (143)
Wild Horse Wind Power Project (54)
WNP 1 and 4 (15)

Process	Type	Document Group(s)	Document link	File Date	Document Set
SEPA	Data Request	Data Request 2	Data Request 2 Response	02/17/2023	023
SEPA	Data Request	Data Request 2	Data Request 2 Response Attachment - Noise	01/27/2023	023
SEPA	Data Request	Data Request 2	Data Request 2 Response Attachment - Draft Vegetation and Weed Management Plan	02/17/2023	023
SEPA	Data Request	Data Request 9	Data Request 9 Letter	08/08/2023	DR9
SEPA	Data Request	Data Request 9	Data Request 9 Memo	08/18/2023	DR9
SEPA	Documents	SEPA Scoping Documents	Badger Mountain Scoping Attachment A	03/03/2022	00020 Badger Mountain Scoping Notice and attachments
SEPA	Documents	SEPA Scoping Documents	Badger Mountain Scoping Attachment C	03/03/2022	00020 Badger Mountain Scoping Notice and attachments
SEPA	Documents	Final Environmental Impact Statement Land Use	Section 3.6 Land Use and Recreation	02/01/2007	00021 Final Environmental Impact Statement Sections for the...
SEPA	Documents	[No group]	Proof of Service	03/14/2022	00021 Badger Mountain SEPA Scoping Notice.
SEPA	Documents	Final Environmental Impact Statement	Figure 1.1 Vicinity Map	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 1-2 Project Site Map	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-10 Springwood Ranch	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-11 Manastash Ridge	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-12 Boylston Mountains	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-13 Skookumchuck Creek	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-14 Quilomene	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-15 Swauk Valley Ranch Proposed Site Layout	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-16 Springwood Ranch Proposed Site Layout	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-17 Wild Horse Wind Power Project Proposed Site Layout Most Likely Scenario	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-1 Site Layout	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-2 Typical Wind Turbine Dimensions	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-3 Typical Modern Three-Bladed Upwind Turbine Generator	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-4 Typical Nacelle	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-5 Electrical and Communications System	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-6 Comparison of Various Wind Turbine Technologies	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-7 Alternative A Site Layout	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-8 Offsite Wind Power Project Locations	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	Final Environmental Impact Statement	Figure 2-9 Swauk Valley Ranch	02/01/2007	00022 Location Maps for Kittitas County Wind Power Project
SEPA	Documents	SEPA Scoping Notice	Attachment C - Library List	05/11/2021	00027 SEPA Scoping Notice
SEPA	Documents	SEPA Scoping Notice	Attachment A - SEPA Checklist	05/11/2021	00027 SEPA Scoping Notice
SEPA	Documents	SEPA Scoping Notice	Attachment B - Figure 2.1-1	05/11/2021	00027 SEPA Scoping Notice
SEPA	Documents	MDNS	SEPA Checklist	06/24/2021	00034 Mitigated Determination of Non-significance (MDNS)
SEPA	Documents	MDNS	Mitigated Determination of Non-significance	06/24/2021	00034 Mitigated Determination of Non-significance (MDNS)
SEPA	Documents	[No group]	20210624_Staff Memo		00034 Mitigated Determination of Non-significance (MDNS)
SEPA	Documents	MDNS	Staff memo	06/24/2021	00034 Mitigated Determination of Non-significance (MDNS)
SEPA	Documents	REVISED MDNS	Revised MDNS	07/30/2021	00037 Revised MDNS documents
SEPA	Documents	Data Request 1	Data Request 1 table	05/27/2021	00043 Data Request 1
SEPA	Documents	Data Request 1	Data Request Aesthetics Panoramas	09/10/2021	00043 Data Request 1
SEPA	Documents	Data Request 1	Habitat Field Survey Data Request No.1	09/13/2021	00043 Data Request 1
SEPA	Documents	Data Request 2	Data Request 2 table	07/16/2021	00044 Data Request 2
SEPA	Documents	Data Request 2	Data Request 2 Response	08/16/2021	00044 Data Request 2
SEPA	Documents	Data Request 2	Data Request 2 Air Wind Atmospheric stability roses	09/10/2021	00044 Data Request 2
SEPA	Documents	Data Request 2	Data Request 2 Supplemental Response 2	10/20/2021	00044 Data Request 2
SEPA	Documents	Data Request 2	Data Request 2 Supplemental Response 3	11/02/2021	00044 Data Request 2
SEPA	Documents	Data Request 3	Data Request Table	07/22/2021	00045 Data Request 3
SEPA	Documents	Data Request 3	Data Request Response Table	08/18/2021	00045 Data Request 3
SEPA	Documents	Data Request 3	Data Request 3 Air Emissions	10/20/2021	00045 Data Request 3
SEPA	Documents	Data Request 3	Data Request 3 Visual	10/20/2021	00045 Data Request 3
SEPA	Documents	Data Request 4	Data Request 4 Table	10/27/2021	00051 Data Request 4
SEPA	Documents	Data Request 4	Data Request 4 Data Layers	11/02/2021	00051 Data Request 4

EFSEC - The State of Washington Energy Facility Site Evaluation Council

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EFSEC Document

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

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