Project Details

Docket Numbers
Project Name
Castle Rock Battery Energy Storage System Project
Applicant
Castle Rock Solar LLC
Location
Dakota County
Description

Castle Rock Solar LLC proposes to construct and operate the Castle Rock BESS project, a battery energy storage system (BESS) and associated facilities in Castle Rock Township, Dakota County, Minnesota.

Status
active

Project Contact

Contact
Lauren Agnew
Phone

Project Summary

Castle Rock Solar LLC proposes to construct the up to 150-megawatt (MW) / 600-megawatt hours (MWh) battery energy storage system (BESS) and associated facilities (Project) in Castle Rock Township, Dakota County, Minnesota. Associated facilities would include inverters, transformers, and electrical collection systems. The Project will be located entirely within the footprint of the previously permitted Castle Rock Solar Project (Docket No. 24-267).

Interactive Map

Key Project Documents

Date
Title
Description
06/30/2026
Site Permit Application and Environmental Assessment

Docket Documents

View All Project Documents 

Date Document ID On Behalf Of Description
June 30, 2026 20266-233624-05 Castle Rock Solar LLC Site Permit Application_Appendix C - Project Maps
June 30, 2026 20266-233624-13 Castle Rock Solar LLC Site Permit Application_Appendix J - Cultural Reports
June 30, 2026 20266-233624-15 Castle Rock Solar LLC Site Permit Application_Appendix L - GHG Calculations
June 30, 2026 20266-233624-10 Castle Rock Solar LLC Site Permit Application_Appendix H - Decommissioning Plan
June 30, 2026 20266-233624-11 Castle Rock Solar LLC Site Permit Application_Appendix I - Pre-Construction Noise Report
June 30, 2026 20266-233624-06 Castle Rock Solar LLC Site Permit Application_Appendix D - Agency & Tribal Coordination
June 30, 2026 20266-233624-01 Castle Rock Solar LLC Site Permit Application Filing Letter and Certificate of Service
June 30, 2026 20266-233624-03 Castle Rock Solar LLC Site Permit Application_Appendix A - EIP Staff Comments
June 30, 2026 20266-233624-02 Castle Rock Solar LLC Site Permit Application
June 30, 2026 20266-233624-17 Castle Rock Solar LLC Site Permit Application_Appendix M - Wetland Delineation - Part 2 of 2
June 30, 2026 20266-233624-08 Castle Rock Solar LLC Site Permit Application_ Appendix F - Landowner List and Map
June 30, 2026 20266-233624-09 Castle Rock Solar LLC Site Permit Application_ Appendix G - Preliminary Stormwater Management Plan
June 30, 2026 20266-233624-19 Castle Rock Solar LLC Site Permit Application_ Appendix O - Sample BESS Site Permit
June 30, 2026 20266-233624-04 Castle Rock Solar LLC Site Permit Application_Appendix B - Completeness Checklist
June 30, 2026 20266-233624-14 Castle Rock Solar LLC Site Permit Application_ Appendix K - EMF Study
June 30, 2026 20266-233624-16 Castle Rock Solar LLC Site Permit Application_ Appendix M - Wetland Delineation - Part 1 of 2
June 30, 2026 20266-233624-18 Castle Rock Solar LLC Site Permit Application_ Appendix N - Residence Distances from BESS Project
June 30, 2026 20266-233624-07 Castle Rock Solar LLC Site Permit Application_Appendix E - VMP and Landscape Plan