Select one of the following links to view that Public Service Company of Colorado Transmission Study.

Generation Interconnection Requests

GI-2003-1
GI-2003-1 Feasibility
GI-2003-1 System Impact
GI-2003-1 Facilities Draft
GI-2003-1 Final Facilities

GI-2003-2
GI-2003-2 Feasibility
GI-2003-2 System Impact
GI-2003-2 Draft Facilities
GI-2003-2 Final Facilities

GI-2003-3
GI-2003-3 Feasibility
GI-2003-3 System Impact
GI-2003-3 Draft Facilities
GI-2003-3 Final Facilities

GI-2003-4
GI-2003-4 Feasibility
GI-2003-4 System Impact
GI-2003-4 Draft Facilities
GI-2003-4 Final Facilities

GI-2003-5
GI-2003-5 Feasibility

GI-2004-1
GI-2004-1 Feasibility
GI-2004-1 System Impact
GI-2004-1 System Impact Supplement 1
GI-2004-1 Draft Facilities
GI-2004-1 Final Facilities

GI-2004-2
GI-2004-2 Feasibility
GI-2004-2 System Impact
GI-2004-2 System Impact Supplement 2
GI-2004-2 Draft Facilities
GI-2004-2 Final Facilities
GI-2004-2 Feasibility / System Impact Study
GI-2004-2 DRAFT Combined Feasibility/System Impact Study Report
GI-2004-2 GI-2004-2 Feasibility / System Impact Study Report Final
GI-2004-2 Feasibility & System Impact ReStudy Report
GI-2004-2 Facilities Study Report Final
GI-2004-2 Facility Study Report Final

GI-2004-3
GI-2004-3 Feasibility
GI-2004-3 System Impact

GI-2004-4
GI-2004-4 Feasibility
GI-2004-4 System Impact

GI-2004-5
GI-2004-5 Feasibility
GI-2004-5 System Impact

GI-2004-6
GI-2004-6 Feasibility
GI-2004-6 Feasibility Re-Study
GI-2004-6 System Impact
GI-2004-6 Draft Facilities
GI-2004-6 Final Facilities

GI-2004-7
GI-2004-7 Feasibility

GI-2004-8
GI-2004-8 Feasibility

GI-2004-9
GI-2004-9 Feasibility

GI-2004-10
GI-2004-10 Feasibility
GI-2004-10 System Impact

GI-2004-11
GI-2004-11 System Impact
GI-2004-11 Draft Facilities
GI-2004-11 Final Facilities

GI-2004-12
GI-2004-12 System Impact

GI-2006-1
GI-2006-1 Preliminary System Impact Study Results
GI-2006-1 (Portfolios A-I) System Impact Study
GI-2006-1 (Portfolio K) System Impact Study
GI-2006-1a Draft Facilities
GI-2006-1a Final Facilities
GI-2006-1d Draft Facilities
GI-2006-1d Final Facilities
GI-2006-1e Draft Facilities
GI-2006-1e Final Facilities
GI-2006-1g Draft Facilities
GI-2006-1g Final Facilities
GI-2006-1i Draft Facilities
GI-2006-1i Final Facilities

GI-2006-2
GI-2006-2 Feasibility
GI-2006-2 System Impact Study
GI-2006-2 System Impact Restudy
GI-2006-2 System Impact Second Restudy
GI-2006-2 System Impact Third Restudy
GI-2006-2 Draft Facilities
GI-2006-2 Draft Facilities Restudy
GI-2006-2 Final Facilities
GI-2006-2 Facilities Restudy

GI-2006-3
GI-2006-3 System Impact Study

GI-2006-4
GI-2006-4 Feasibility
GI-2006-4 System Impact Study

GI-2007-1
GI-2007-1 Feasibility
GI-2007-1 Draft Interconnection and Delivery Cost Estimates

GI-2007-2
GI-2007-2 Interim Feasibility
GI-2007-2 Feasibility, Scenario A
GI-2007-2 System Impact, Scenario A
GI-2007-2 System Impact Supplement, Scenario A
GI-2007-2 Draft Interconnection and Delivery Cost Estimates

GI-2007-3
GI-2007-3 Feasibility
GI-2007-3 System Impact
GI-2007-3 Draft Facilities
GI-2007-3 Final Facilities

GI-2007-4
GI-2007-4 Feasibility
GI-2007-4 System Impact
GI-2007-4 Draft Facilities
GI-2007-4 Final Facilities

GI-2007-5
GI-2007-5 Feasibility
GI-2007-5 System Impact
GI-2007-5 Restudy System Impact

GI-2007-5&6
GI-2007-5 & 6 Preliminary Supplemental System Impact
GI-2007-5+6System Impact Re-Study
GI-2007-5+6System Impact Re-Study 2
GI-2007-5 & 6 Draft Facilities
GI-2007-5 & 6 Final Facilities

GI-2007-6
GI-2007-6 Feasibility
GI-2007-6 Preliminary System Impact
GI-2007-6 System Impact Re-Study

GI-2007-7
GI-2007-7 Feasibility

GI-2007-8
GI-2007-8 Feasibility

GI-2007-9
GI-2007-9 Feasibility

GI-2007-10
GI-2007-10 Feasibility
GI-2007-10 System Impact

GI-2007-11
GI-2007-11 Preliminary System Impact Study
GI-2007-11 System Impact Summer Case
GI-2007-11 System Impact Winter Case
GI-2007-11 Draft Facilities
GI-2007-11 Final Facilities

GI-2007-12
GI-2007-12 Feasibility
GI-2007-12 Feasibility Supplement
GI-2007-12 System Impact Study
GI-2007-12 System Impact Restudy
GI-2007-12 System Impact Restudy 2
GI-2007-12 System Impact Study Restudy 2 Revision
GI-2007-12 System Impact Supplement
GI-2007-12 Draft Facilities
GI-2007-12 Final Facilities
GI-2007-12 System Impact Restudy Supplemental
GI-2007-12 System Impact Restudy Supplement 2

GI-2007-13
GI-2007-13 System Impact Study
GI-2007-13 System Impact Re-Study
GI-2007-13 System Impact Re-Study2
GI-2007-13 Supplemental System Impact
GI-2007-13 Preliminary Facilities
GI-2007-13 Second Preliminary Facilities
GI-2007-13 Draft Facilities
GI-2007-13 Revised Draft Facilities
GI-2007-13 Final Facilities

GI-2008-1
GI-2008-1a Preliminary Feasibility
GI-2008-1 Preliminary Feasibility 4/1/08
GI-2008-1 Feasibility

GI-2008-2
GI-2008-2 Feasibility
GI-2008-2 System Impact

GI-2008-3
GI-2008-3 System Impact Study
GI-2008-3 Draft Facilities
GI-2008-3 Final Facilities

GI-2008-5
GI-2008-5 Feasibility

GI-2008-7
GI-2008-7 Feasibility Study

GI-2008-8
GI-2008-8 Feasibility
GI-2008-8 System Impact Study Report Draft

GI-2008-10
GI-2008-10 Feasibility

GI-2008-11
GI-2008-11 Feasibility

GI-2008-13
GI-2008-13 Feasibility

GI-2008-14
GI-2008-14 Partial Feasibility

GI-2008-16
GI-2008-16 Feasibility Draft Study Report

GI-2008-18
GI-2008-18 Feasibility

GI-2008-23
GI-2008-23 Feasibility
GI-2008-23 System Impact

GI-2008-24
GI-2008-24 Feasibility

GI-2008-25
GI-2008-25 Feasibility

GI-2008-26
GI-2008-26 Feasibility
GI-2008-26 Preliminary System Impact
GI-2008-26 Revised System Impact
GI-2008-26 Draft Facilities
GI-2008-26 Final Facilities

GI-2008-27
GI-2008-27 Feasibility

GI-2008-29
GI-2008-29 Feasibility Study

GI-2008-30
GI-2008-30 Feasibility

GI-2008-31
GI-2008-31 Feasibility

GI-2008-32
GI-2008-32 Feasibility Study

GI-2008-33
GI-2008-33 Preliminary System Impact
GI-2008-33 Preliminary 2 System Impact
GI-2008-33 Supplemental System Impact Study Report- Part 3
GI-2008-33 Facility Study Report

GI-2009-5&6
GI-2009-5+6 Feasibility
GI-2009-5&6 Draft Facilities
GI-2009-5&6 Final Facilities

GI-2009-8
GI-2009-8 Feasibility
GI-2009-8 System Impact
GI-2009-8 Draft Facility Study Report
GI-2009-8 Facilities Study Report Final
GI-2009-8 Draft System Impact ReStudy Interim Report
GI-2009-8 System Impact ReStudy Report
GI-2009-8 Facility ReStudy Report
GI-2009-8 Facility ReStudy Report FINAL

GI-2010-2
GI-2010-2 Draft Feasibility Study Report

GI-2010-4
GI-2010-4 Feasibility-System Impact
GI-2010-4 Preliminary System Impact
GI-2010-4 Draft Facilities
GI-2010-4 Final Facilities

GI-2010-5
GI-2010-5 Feasibility Study

GI-2010-6
GI-2010-6 Feasibility

GI-2010-8
GI-2010-8 Preliminary System Impact
GI-2010-8 System Impact
GI-2010-8 Draft Facilities
GI-2010-8 Final Facility

GI-2010-9
GI-2010-9 Feasibility
GI-2010-9 System Impact

GI-2010-10
GI-2010-10 Feasibility

GI-2010-11
GI-2010-11 Feasibility Study
GI-2010-11 Draft System Impact Study
GI-2010-11 Final System Impact Study
GI-2010-11 System Impact Study Addendum
GI-2010-11 Draft Facility Study
GI-2010-11 Draft SIS Re-Study
GI-2010-11 SIS Restudy Final
GI-2010-11 Facility Study Final

GI-2010-13
GI-2010-13 Feasibility

GI-2010-18
GI-2010-18 Feasibility

GI-2010-19
GI-2010-19 Draft Feasibility
GI-2010-19 Feasibility Report Final
GI-2010-19 DRAFT SIS Power Flow Results
GI-2010-19 Draft System Impact Study
GI-2010-19 FINAL System Impact Study
GI-2010-19 Draft Facility Study
GI-2010-19 Final Facility Study

GI-2011-2
GI-2011-2 Feasibility-System Impact
GI-2011-2 Preliminary System Impact
GI-2011-2 Second Preliminary System Impact

GI-2011-4
GI-2011-4 Feasibility
GI-2011-4 System Impact Study Report
GI-2011-4 Facility Study Report
GI-2011-4 Final Facilities Study Report

GI-2011-7
GI-2011-7 Feasibility-System Impact

GI-2011-2&7
GI-2011-2&7 Draft Facilities
GI-2011-2&7 Final Facilities

GI-2012-2
GI-2012-2 Feasibility

GI-2012-3
GI-2012-3 Draft Feasibility
GI-2012-3 Final Feasibility Study Report
GI-2012-3 Affected Party Comments for Feasibility Study
GI-2012-3 Transient Stability Results - System Impact Study
GI-2012-3 System Impact Study Final

GI-2012-4
GI-2012-4 Draft Feasibility Study Report

GI-2012-5
GI-2012-5 Feasibility Report
GI-2012-5 Feasibility/System Impact Study Interim Report
GI-2012-5 Final Feasibility/System Impact Study
GI-2012-5 Final Feasibility Study/System Impact ReStudy

GI-2012-6
GI-2012-6 Feasibility Study
GI-2012-6 System Impact Study

GI-2013-1
GI-2013-1 Feasibility Report

GI-2013-2
GI-2013-2 Feasibility Study

GI-2013-3
GI-2013-3 Feasibility Report Final

GI-2013-4
GI-2013-4 Feasibility Study Report
GI-2013-4 Facilities Study Report

GI-2013-5
GI-2013-5 Draft Feasibility Study Report
GI-2013-5 Revised Draft Feasibility Study Report
GI-2013-5 System Impact Study
GI-2013-5 FINAL System Impact Study
GI-2013-5 Facilities Study Report

GI-2013-7
GI-2013-7 Preliminary Feasibility Study Results
GI-2013-7 Final Feasibility Study Report

GI-2014-2
GI-2014-2 Draft Feasibility Study
GI-2014-2 Combined Feasibility/System Impact Study
GI-2014-2 Facility Study Report Draft
GI-2014-2 Facility Study Report Final

GI-2014-4
GI-2014-4 Draft Facility Study
GI-2014-4 FINAL Facility Study

GI-2014-5
GI-2014-5 - System Impact ReStudy - Final
GI-2014-5 System Impact Study Draft Report
GI-2014-5 Final System Impact Study
GI-2014-5 Facility Study Final Draft Report
GI-2014-5 Final Facility Study Report

GI-2014-6
GI-2014-6 Draft Feasibility
GI-2014-6 Final Feasibility Study
GI-2014-6 System Impact Study
GI-2014-6 Facility Study Report
GI-2014-6 Facilities Study Report (revised)-FINAL

GI-2014-7
GI-2014-7 Draft Feasibility Report
GI-2014-7 Final Feasibility Report
GI-2014-7 Update on System Impact Study
GI-2014-7 Final Draft System Study Report
GI-2014-7 Final System Impact Study
GI-2014-7 Facility Study Report
GI-2014-7 Update on Facility Study

GI-2014-8
GI-2014-8 Draft Feasibility/System Impact Study Report
GI-2014-8 Final Feasibility/System Impact Study Report
GI-2014-8 Facility Study Report

GI-2014-9
GI-2014-9 Feasibility/System Impact Study Report FINAL
GI-2014-9 Facility Study Report
GI-2014-9 Facility Study Report New

GI-2014-11
GI-2014-11 Interim Feasibility Study Report
GI-2014-11 Feasibility Study Report
GI-2014-11 FINAL Feasibility Study Report
GI-2014-11 Draft System Impact Study Report
GI-2014-11 Facility / Draft Facility Study Report
GI-2014-11 Facility Study Report Final
GI-2014-11 Final Facility Study Report

GI-2014-12
GI-2014-12 DRAFT Combined Feasibility/System Impact Study Report
GI-2014-12 FINAL Combined Feasibility/System Impact Study Report
GI-2014-12 Facility Study Report Final

GI-2014-13
GI-2014-13 Feasibility Study Report
GI-2014-13 System Impact Study Draft
GI-2014-13 System Impact Study Final
GI-2014-13 Facility / Draft Facility Study Report
GI-2014-13 Final Facility Study Report

GI-2014-14
GI-2014-14 Feasibility Study Report
GI-2014-14 Feasibility Study V2
GI-2014-14 System Impact Study Report Draft
GI-2014-14 System Impact Study Report FINAL
GI-2014-14 Facility Study Report Draft
GI-2014-14 System Impact Study Addendum Report
GI-2014-14 Final Facility Study Report
GI-2014-14 SIS Addendum
GI-2014-14 Facility Study Revised Report

GI-2015-1
GI-2015-1 Draft Feasibility Study Report
GI-2015-1 Feasibility Study Report FINAL
GI-2015-1 System Impact Study Report Draft
GI-2015-1 System Impact Study Report
GI-2015-1 System Impact Study Report_Addendum Report
GI-2015-1 Facilities Study Report
GI-2015-1 System Impact Study Report_Addendum_rev1
GI-2015-1 Facilities Study Report_Final

GI-2016-3
GI-2016-3 Feasibility Study Report Draft
GI-2016-3 Feasibility Study Report Final
GI-2016-3 Wind Curtailment Study Final
GI-2016-3 System Impact Study Report Draft
GI-2016-3 FINAL System Impact Study Report
GI-2016-3 SIS Report Final Errata
GI-2016-3- Draft Facility Study
GI-2016-3- FINAL Facility Study

GI-2016-4
GI-2016-4 Feasibility Study Report Draft
GI-2016-4- System Impact Study
GI-2016-4- System Impact Study Final

GI-2016-5
GI-2016-5 Revised System Impact Study Report
GI-2016-5 System Impact Study Report
GI-2016-5 System Impact Study Report
GI-2016-5 - Feasibility Study Report

GI-2016-6
GI-2016-6 Feasibility Study Report
GI-2016-6 Draft Feasibility Study Report - Corrected
GI-2016-6 Final Feasibility Study Report

GI-2016-7
GI-2016-7 Feasibility Study Report
GI-2016-7 Feasibility Study Report Final
GI-2016-7 Feasibility Study Report Draft
GI-2016-7 Feasibility Study Report Final

GI-2016-9
GI-2016-9 Draft System Impact Study Report
GI-2016-9 Feasibility Study Report Draft
GI-2016-9 Feasibility Study Report Final

GI-2016-10
GI-2016-10 Feasibility Study Report

GI-2016-11
GI-2016-11- Feasibility Study

GI-2016-12
GI-2016-12 System Impact Study Report Final
GI-2016-12 Draft System Impact Study Report
GI-2016-12 Feasibility Study Report
GI-2016-12 Feasibility Study Report Draft
GI-2016-12 Feasibility Study Report Final

GI-2016-13
GI-2016-13 Feasibility Study Report

GI-2016-14
GI-2016-14 - System Impact Study Revised Final
GI-2016-14 System Impact Study Report - Final
GI-2016-14 DRAFT Feasibility Study
GI-2016-14- Feasibility Study Final
GI-2016-14- Final Revised Feasibility Study

GI-2016-15
GI-2016-15 System Impact Study - Final
GI-2016-15- DRAFT Feasibility Study
GI-2016-15 Final Feasibility Study

GI-2016-16
GI-2016-16 Feasibility Study

GI-2016-17
GI-2016-17 - Feasibility Study Final
GI-2016-17 Feasibility Study Report - DRAFT

GI-2016-18
GI-2016-18 Feasibility Study Report

GI-2016-19
GI-2016-19 Draft Feasibility Study
GI-2016-19 Final Feasibility Study

GI-2016-20
GI-2016-20 Draft Feasibility Study
GI-2016-20 Final Feasibility Study

GI-2016-21
GI-2016-21 Draft Feasibility Study
GI-2016-21 Final Feasibility Study

GI-2016-22
GI-2016-22 Feasibility Study
GI-2016-22 Final Feasibility Study

GI-2016-23
GI-2016-23 Feasibility Study Report
GI-2016-23 Final Feasibility Study

GI-2016-24
GI-2016-24 Feasibility Study Report
GI-2016-24 Final Feasibility Study

GI-2016-25
GI-2016-25 Draft Feasibility Study
GI-2016-25 Final Feasibility Study

GI-2016-26
GI-2016-26 Feasibility Study

GI-2016-27
GI-2016-27 Feasibility Study Report Final

GI-2016-28
GI-2016-28 Feasibility Study Report

GI-2016-29
GI-2016-29 Feasibility Study Report Final
GI-2016-29 Feasibility Study Report

GI-2016-30
GI-2016-30 Feasibility Study Report Final
GI-2016-30 Feasibility Study Report Draft

GI-2016-31
GI-2016-31 Feasibility Study Report

GI-2016-32
GI-2016-32 Final Feasibility Study

GI-2017-1
GI-2017-1 Feasibility Study

GI-2017-2
GI-2017-2 Feasibility Study Report

GI-2017-3
GI-2017-3 Feasibility Study Report

GI-2017-10
GI-2017-10 Feasibility Study Report
GI-2017-10 Feasibility Study Report - Draft

GI-2017-11
GI-2017-11 - Feasibility Study - Final
GI-2017-11 Feasibility Study Report - Draft

GI-2017-12
GI-2017-12 Feasibility Study Report Final
GI-2017-12 Draft Version 2 Feasibility Study Report
GI-2017-12 Draft Feasibility Study Report

GI-2017-5
GI-2017-5 Feasibility/System Impact Study Report

GI-2017-6
GI-2017-6 Draft Feasibility Study Report

PSCO - Transmission Service Requests

T-2003-1 System Impact
T-2003-1 System Impact Supplement A
T-2003-1 System Impact Supplement B
T-2003-3 System Impact
T-2003-5 System Impact
T-2005-1 System Impact
T-2006-4 System Impact
T-2007-1 System Impact
T-2007-3 Preliminary System Impact Study Results
T-2007-3 System Impact
T-2014-1 Final System Impact Study Report
T-2014-2 Final System Impact Study Report
T-2014-2 Facility Study Report
T-2014-3 System Impact Study

PSCO - Non Queued Study Requests

NQ-2005-1
NQ-2007-1 Preliminary
NQ-2007-2 (10/19/07)
NQ-2007-2 (10/24/07)
NQ-2008-2
NQ-2008-2 Supplemental
NQ-2009-1
NQ-2011-2
NQ-2011-3
NQ-2013-2
NQ-2013-3
NQ-2014-1 Final Draft System Impact Study

PSCO - Non-Tariff Study Requests

NTS-2003-1
NTS-2003-2
NTS-2003-3
NTS-2003-6
 

Colony Substation Load Draft Study
Electric Transmission Load Growth on the Western Slope
System Impact Study_50 MVA Load Interconnnection Request Near Collbran
2009 Solar RFP Special Study
Preliminary Schedule Missile Site 345kV Substation
 

For questions or further information, please contact:

Jennifer Bass
Public Service Company of Colorado
P.O. Box 1078
Golden, CO 80402

Phone: (303) 273-4726
e-mail:  PSCoInterconnection@xcelenergy.com