FR EA
1015-00005 · Calloway-Briggs Renewables Inc · Diligence
regulatory-permitting-checklist.xlsx DOCUMENT M&A / Corporate
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[sheet: Overview]

FieldValue
Document TitleRegulatory and Permitting Compliance Checklist — Solstice Portfolio
Matter No.1015-00005
Billing No.78204-001
ClientCalloway-Briggs Renewables Inc.
Prepared ByDerek Saunders, Sr. Associate, RE/Project Dev. & Robert Jansen, Associate, Tax — Calderwood & Harkness LLP
Date PreparedDecember 5, 2023
Last UpdatedDecember 8, 2023 (Closing Date)
PortfolioSolstice Portfolio — 7 utility-scale solar PV projects, 420 MW(dc) aggregate
Partnership VehicleSolstice Holdings, LLC (EIN: 88-4071523)
Managing MemberCBR Solstice Manager, LLC (EIN: 88-4071597)
Tax-Equity InvestorRidgeline Capital Partners, LLC
Transferable Credit BuyerPinehurst Insurance Group, Inc.
Construction LenderOsprey National Bank, N.A.
EPC ContractorVasquez Brothers Construction, Inc.
Independent EngineerMeridian Technical Advisors, LLC
Texas OfftakerLone Star Grid Solutions, LLC
New Mexico OfftakerEnchantment Power Cooperative
Total Projects7
Total Capacity420 MW(dc)
StatesTexas (5 projects), New Mexico (2 projects)
Signing DateSeptember 21, 2023
Closing DateDecember 8, 2023

[sheet: Project Summary]

Project #Project NameProject EntityCapacity MW(dc)StateCountyTarget CODActual CODEPC Cost $MEPC ContractorOfftakerPPA TermInterconnection Authority
1Pecos SunPecos Sun Solar, LLC85TexasReeves2023-10-152023-10-1578.2Vasquez Brothers Construction, Inc.Lone Star Grid Solutions, LLC15 yearsERCOT
2Red MesaRed Mesa Solar, LLC70TexasPecos2023-10-282023-10-2863.7Vasquez Brothers Construction, Inc.Lone Star Grid Solutions, LLC15 yearsERCOT
3Coyote FlatsCoyote Flats Solar, LLC65TexasWard2023-11-052023-11-0559.1Vasquez Brothers Construction, Inc.Lone Star Grid Solutions, LLC15 yearsERCOT
4Llano VerdeLlano Verde Solar, LLC55TexasHudspeth2023-11-122023-11-1250.4Vasquez Brothers Construction, Inc.Lone Star Grid Solutions, LLC15 yearsERCOT
5CimarronCimarron Solar, LLC50New MexicoLea2023-09-302023-09-3045.8Vasquez Brothers Construction, Inc.Enchantment Power Cooperative20 yearsNorthgate Corporation/WECC
6Sandoval RidgeSandoval Ridge Solar, LLC50New MexicoSandoval2023-10-202023-10-2046.1Vasquez Brothers Construction, Inc.Enchantment Power Cooperative20 yearsNorthgate Corporation/WECC
7AmistadAmistad Solar, LLC45TexasVal Verde2023-11-182023-11-1841.3Vasquez Brothers Construction, Inc.Lone Star Grid Solutions, LLC15 yearsERCOT
TOTAL420384.6

[sheet: Interconnection Agreements]

Item #Project NameProject EntityStateCountyMW(dc)Interconnecting Utility / Grid OperatorPermit/Agreement TypeAgreement / Reference No.Date ExecutedInterconnection Study CompletedFacilities Study CompletedInterconnection Agreement Effective DatePoint of InterconnectionVoltage (kV)Network Upgrades RequiredNetwork Upgrade Cost ResponsibilityGrid Confirmation / Permission to Operate DateStatusExpiration / Termination DateNotes
1Pecos SunPecos Sun Solar, LLCTXReeves85ERCOTStandard Generation Interconnection Agreement (SGIA)ERCOT-SGIA-2022-04782022-11-152022-06-202022-09-122022-11-15Pecos Substation 345kV Bus345 kVSubstation bay extension — completedDeveloper (VBC)2023-10-12ObtainedCo-terminus with PPAGrid confirmation received 3 days prior to COD
2Red MesaRed Mesa Solar, LLCTXPecos70ERCOTStandard Generation Interconnection Agreement (SGIA)ERCOT-SGIA-2022-05122022-12-082022-07-152022-10-032022-12-08Fort Stockton Switching Station 138kV138 kVLine tap and metering — completedDeveloper (VBC)2023-10-25ObtainedCo-terminus with PPA
3Coyote FlatsCoyote Flats Solar, LLCTXWard65ERCOTStandard Generation Interconnection Agreement (SGIA)ERCOT-SGIA-2022-05342023-01-182022-08-102022-11-222023-01-18Ward County 138kV Substation138 kVTransformer upgrade — completedShared (50/50 Developer/Utility)2023-11-02ObtainedCo-terminus with PPA
4Llano VerdeLlano Verde Solar, LLCTXHudspeth55ERCOTStandard Generation Interconnection Agreement (SGIA)ERCOT-SGIA-2023-00872023-02-222022-09-282023-01-052023-02-22Sierra Blanca 345kV Substation345 kVNone requiredN/A2023-11-09ObtainedCo-terminus with PPA
5CimarronCimarron Solar, LLCNMLea50Northgate Corporation / WECCLarge Generator Interconnection Agreement (LGIA)Northgate Corporation-LGIA-2022-01932022-10-052022-04-182022-08-072022-10-05Jal Substation 115kV115 kVRelay upgrades — completedDeveloper (VBC)2023-09-27ObtainedCo-terminus with PPAFirst project to achieve COD (Sept 30, 2023)
6Sandoval RidgeSandoval Ridge Solar, LLCNMSandoval50Northgate Corporation / WECCLarge Generator Interconnection Agreement (LGIA)Northgate Corporation-LGIA-2022-02172022-11-202022-05-302022-09-152022-11-20Rio Rancho 115kV Substation115 kVCapacitor bank addition — completedDeveloper (VBC)2023-10-17ObtainedCo-terminus with PPA
7AmistadAmistad Solar, LLCTXVal Verde45ERCOTStandard Generation Interconnection Agreement (SGIA)ERCOT-SGIA-2023-01122023-03-102022-10-152023-01-282023-03-10Del Rio 138kV Substation138 kVBreaker replacement — completedDeveloper (VBC)2023-12-05ObtainedCo-terminus with PPAFinal grid confirmation delayed; COD Nov 18, 2023 but ERCOT permission to operate not received until Dec 5, 2023. Caused 8-day closing delay from Nov 30 to Dec 8, 2023.

[sheet: Environmental Permits]

Item #Project NameProject EntityStateCountyPermit / Approval TypeIssuing AuthorityReference / Permit No.Application DateIssuance DateExpiration DateStatusConditions / Notes
1Pecos SunPecos Sun Solar, LLCTXReevesNEPA Categorical Exclusion (CatEx)U.S. Department of Energy / Bureau of Land ManagementDOE-CX-2022-08912022-03-102022-05-22N/AObtainedNo further environmental review required; no federal nexus beyond interconnection
2Pecos SunPecos Sun Solar, LLCTXReevesTexas Pollutant Discharge Elimination System (TPDES) — Construction Stormwater General PermitTexas Commission on Environmental Quality (TCEQ)TXR150000-2022-PCS-44122022-04-012022-04-282027-04-28ObtainedSWPPP prepared and on file at project site
3Pecos SunPecos Sun Solar, LLCTXReevesBiological Survey / Threatened & Endangered Species ConsultationU.S. Fish & Wildlife ServiceUSFWS-TX-2022-12872022-02-152022-06-10N/AObtainedNo listed species habitat identified; concurrence letter received
4Pecos SunPecos Sun Solar, LLCTXReevesCultural Resources / Section 106 ReviewTexas Historical Commission / State Historic Preservation OfficeTHC-106-2022-06542022-02-202022-07-15N/AObtainedPhase I survey complete; no significant cultural resources identified
5Pecos SunPecos Sun Solar, LLCTXReevesAir Quality — Standard Exemption (Construction Equipment)Texas Commission on Environmental Quality (TCEQ)TCEQ-AQ-SE-2022-08912022-03-202022-04-15N/AObtainedStandard exemption for temporary construction equipment emissions
6Red MesaRed Mesa Solar, LLCTXPecosNEPA Categorical Exclusion (CatEx)U.S. Department of Energy / Bureau of Land ManagementDOE-CX-2022-09232022-03-252022-06-01N/AObtainedNo federal nexus beyond interconnection
7Red MesaRed Mesa Solar, LLCTXPecosTexas Pollutant Discharge Elimination System (TPDES) — Construction Stormwater General PermitTexas Commission on Environmental Quality (TCEQ)TXR150000-2022-RDM-44782022-04-152022-05-122027-05-12ObtainedSWPPP on file
8Red MesaRed Mesa Solar, LLCTXPecosBiological Survey / Threatened & Endangered Species ConsultationU.S. Fish & Wildlife ServiceUSFWS-TX-2022-13152022-03-012022-06-28N/AObtainedNo listed species habitat identified; concurrence letter received
9Red MesaRed Mesa Solar, LLCTXPecosCultural Resources / Section 106 ReviewTexas Historical Commission / State Historic Preservation OfficeTHC-106-2022-06982022-03-052022-07-28N/AObtainedPhase I survey complete; no significant cultural resources identified
10Red MesaRed Mesa Solar, LLCTXPecosAir Quality — Standard Exemption (Construction Equipment)Texas Commission on Environmental Quality (TCEQ)TCEQ-AQ-SE-2022-09342022-04-012022-04-28N/AObtainedStandard exemption
11Coyote FlatsCoyote Flats Solar, LLCTXWardNEPA Categorical Exclusion (CatEx)U.S. Department of Energy / Bureau of Land ManagementDOE-CX-2022-09582022-04-022022-06-15N/AObtained
12Coyote FlatsCoyote Flats Solar, LLCTXWardTexas Pollutant Discharge Elimination System (TPDES) — Construction Stormwater General PermitTexas Commission on Environmental Quality (TCEQ)TXR150000-2022-CFT-45012022-04-202022-05-182027-05-18ObtainedSWPPP on file
13Coyote FlatsCoyote Flats Solar, LLCTXWardBiological Survey / Threatened & Endangered Species ConsultationU.S. Fish & Wildlife ServiceUSFWS-TX-2022-13482022-03-102022-07-05N/AObtainedNo listed species habitat identified
14Coyote FlatsCoyote Flats Solar, LLCTXWardCultural Resources / Section 106 ReviewTexas Historical Commission / State Historic Preservation OfficeTHC-106-2022-07212022-03-152022-08-02N/AObtainedPhase I survey complete; no significant findings
15Coyote FlatsCoyote Flats Solar, LLCTXWardAir Quality — Standard Exemption (Construction Equipment)Texas Commission on Environmental Quality (TCEQ)TCEQ-AQ-SE-2022-09672022-04-122022-05-08N/AObtainedStandard exemption
16Llano VerdeLlano Verde Solar, LLCTXHudspethNEPA Categorical Exclusion (CatEx)U.S. Department of Energy / Bureau of Land ManagementDOE-CX-2022-09912022-04-182022-07-01N/AObtained
17Llano VerdeLlano Verde Solar, LLCTXHudspethTexas Pollutant Discharge Elimination System (TPDES) — Construction Stormwater General PermitTexas Commission on Environmental Quality (TCEQ)TXR150000-2022-LLV-45232022-05-012022-05-302027-05-30ObtainedSWPPP on file
18Llano VerdeLlano Verde Solar, LLCTXHudspethBiological Survey / Threatened & Endangered Species ConsultationU.S. Fish & Wildlife ServiceUSFWS-TX-2022-13922022-03-222022-07-18N/AObtainedNo listed species habitat identified
19Llano VerdeLlano Verde Solar, LLCTXHudspethCultural Resources / Section 106 ReviewTexas Historical Commission / State Historic Preservation OfficeTHC-106-2022-07562022-03-282022-08-15N/AObtainedPhase I survey complete; no significant findings
20Llano VerdeLlano Verde Solar, LLCTXHudspethAir Quality — Standard Exemption (Construction Equipment)Texas Commission on Environmental Quality (TCEQ)TCEQ-AQ-SE-2022-10042022-04-252022-05-20N/AObtainedStandard exemption
21CimarronCimarron Solar, LLCNMLeaNEPA Categorical Exclusion (CatEx)Bureau of Land Management — New MexicoBLM-NM-CX-2022-03342022-01-202022-03-28N/AObtainedPrivate land; limited federal nexus
22CimarronCimarron Solar, LLCNMLeaNM Environment Department — Construction Stormwater General PermitNew Mexico Environment Department (NMED)NMED-CGP-2022-LEA-00782022-02-102022-03-152027-03-15ObtainedSWPPP on file
23CimarronCimarron Solar, LLCNMLeaBiological Assessment / ESA Section 7 ConsultationU.S. Fish & Wildlife ServiceUSFWS-NM-2022-04122022-01-252022-05-05N/AObtainedLesser prairie-chicken habitat assessed; no adverse effect determination
24CimarronCimarron Solar, LLCNMLeaCultural Resources / Section 106 ReviewNew Mexico Historic Preservation Division / State Historic Preservation OfficeNMHPD-106-2022-02872022-02-012022-06-15N/AObtainedPhase I survey complete; no significant cultural resources
25CimarronCimarron Solar, LLCNMLeaAir Quality — Construction Permit RegistrationNew Mexico Environment Department (NMED) — Air Quality BureauNMED-AQ-2022-LEA-01562022-02-152022-03-20N/AObtainedRegistration for temporary construction equipment
26CimarronCimarron Solar, LLCNMLeaGroundwater Discharge Permit — Construction DewateringNew Mexico Environment Department (NMED) — Ground Water Quality BureauNMED-GW-2022-LEA-00342022-02-202022-04-102027-04-10ObtainedMinor dewatering during foundation work; permit obtained as precaution
27Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalNEPA Categorical Exclusion (CatEx)Bureau of Land Management — New MexicoBLM-NM-CX-2022-03782022-02-152022-04-22N/AObtainedPrivate land; limited federal nexus
28Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalNM Environment Department — Construction Stormwater General PermitNew Mexico Environment Department (NMED)NMED-CGP-2022-SAN-00912022-03-052022-04-102027-04-10ObtainedSWPPP on file
29Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalBiological Assessment / ESA Section 7 ConsultationU.S. Fish & Wildlife ServiceUSFWS-NM-2022-04452022-02-202022-05-28N/AObtainedNo listed species habitat identified; concurrence letter received
30Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalCultural Resources / Section 106 ReviewNew Mexico Historic Preservation Division / State Historic Preservation OfficeNMHPD-106-2022-03122022-02-282022-07-02N/AObtainedPhase I survey complete; no significant findings
31Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalAir Quality — Construction Permit RegistrationNew Mexico Environment Department (NMED) — Air Quality BureauNMED-AQ-2022-SAN-01782022-03-102022-04-15N/AObtainedRegistration for temporary construction equipment
32Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalFloodplain Development PermitSandoval County Floodplain AdministratorSC-FDP-2022-00452022-03-152022-05-10N/AObtainedProject site partially within 500-year floodplain; no-rise certification provided
33AmistadAmistad Solar, LLCTXVal VerdeNEPA Categorical Exclusion (CatEx)Bureau of Land Management — TexasBLM-TX-CX-2022-05672022-04-102022-06-30N/AObtained
34AmistadAmistad Solar, LLCTXVal VerdeTexas Pollutant Discharge Elimination System (TPDES) — Construction Stormwater General PermitTexas Commission on Environmental Quality (TCEQ)TXR150000-2022-AMS-45892022-05-152022-06-122027-06-12ObtainedSWPPP on file
35AmistadAmistad Solar, LLCTXVal VerdeBiological Survey / Threatened & Endangered Species ConsultationU.S. Fish & Wildlife ServiceUSFWS-TX-2022-14282022-04-052022-08-01N/AObtainedGolden-cheeked warbler and black-capped vireo assessed; no adverse effect
36AmistadAmistad Solar, LLCTXVal VerdeCultural Resources / Section 106 ReviewTexas Historical Commission / State Historic Preservation OfficeTHC-106-2022-07892022-04-122022-08-28N/AObtainedPhase I survey complete; no significant findings
37AmistadAmistad Solar, LLCTXVal VerdeAir Quality — Standard Exemption (Construction Equipment)Texas Commission on Environmental Quality (TCEQ)TCEQ-AQ-SE-2022-10452022-05-052022-06-01N/AObtainedStandard exemption

[sheet: County Building Permits]

Item #Project NameProject EntityStateCountyPermit TypeIssuing AuthorityPermit No.Application DateIssuance DateExpiration / Completion DateStatusInspection CompletedFinal Inspection DateNotes
1Pecos SunPecos Sun Solar, LLCTXReevesCommercial Building Permit — Solar Generation FacilityReeves County Permits OfficeRC-BP-2022-11342022-06-012022-07-152024-07-15ObtainedYes2023-10-10Final inspection passed; Certificate of Occupancy issued
2Pecos SunPecos Sun Solar, LLCTXReevesElectrical Permit — Utility-Scale SolarReeves County Permits OfficeRC-EP-2022-11352022-06-012022-07-202024-07-20ObtainedYes2023-10-10
3Red MesaRed Mesa Solar, LLCTXPecosCommercial Building Permit — Solar Generation FacilityPecos County Building DepartmentPC-BP-2022-08732022-06-202022-08-052024-08-05ObtainedYes2023-10-24
4Red MesaRed Mesa Solar, LLCTXPecosElectrical Permit — Utility-Scale SolarPecos County Building DepartmentPC-EP-2022-08742022-06-202022-08-102024-08-10ObtainedYes2023-10-24
5Coyote FlatsCoyote Flats Solar, LLCTXWardCommercial Building Permit — Solar Generation FacilityWard County Permits OfficeWC-BP-2022-05612022-07-012022-08-152024-08-15ObtainedYes2023-11-01
6Coyote FlatsCoyote Flats Solar, LLCTXWardElectrical Permit — Utility-Scale SolarWard County Permits OfficeWC-EP-2022-05622022-07-012022-08-182024-08-18ObtainedYes2023-11-01
7Coyote FlatsCoyote Flats Solar, LLCTXWardGrading / Land Disturbance PermitWard County Permits OfficeWC-GP-2022-05632022-07-052022-08-202024-08-20ObtainedYes2023-11-01Required due to drainage considerations on site
8Llano VerdeLlano Verde Solar, LLCTXHudspethCommercial Building Permit — Solar Generation FacilityHudspeth County Permits OfficeHC-BP-2022-02342022-07-152022-08-282024-08-28ObtainedYes2023-11-08
9Llano VerdeLlano Verde Solar, LLCTXHudspethElectrical Permit — Utility-Scale SolarHudspeth County Permits OfficeHC-EP-2022-02352022-07-152022-09-012024-09-01ObtainedYes2023-11-08
10CimarronCimarron Solar, LLCNMLeaCommercial Building Permit — Solar Generation FacilityLea County Planning & ZoningLC-BP-2022-04562022-04-152022-05-282024-05-28ObtainedYes2023-09-26First project to receive final inspection
11CimarronCimarron Solar, LLCNMLeaElectrical Permit — Utility-Scale SolarLea County Planning & ZoningLC-EP-2022-04572022-04-152022-06-012024-06-01ObtainedYes2023-09-26
12Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalCommercial Building Permit — Solar Generation FacilitySandoval County Building & PlanningSC-BP-2022-07122022-05-102022-06-222024-06-22ObtainedYes2023-10-17
13Sandoval RidgeSandoval Ridge Solar, LLCNMSandovalElectrical Permit — Utility-Scale SolarSandoval County Building & PlanningSC-EP-2022-07132022-05-102022-06-282024-06-28ObtainedYes2023-10-17
14AmistadAmistad Solar, LLCTXVal VerdeCommercial Building Permit — Solar Generation FacilityVal Verde County Permits OfficeVVC-BP-2022-03892022-07-122022-08-302024-08-30ObtainedYes2023-11-15Final project for county inspection
15AmistadAmistad Solar, LLCTXVal VerdeElectrical Permit — Utility-Scale SolarVal Verde County Permits OfficeVVC-EP-2022-03902022-07-122022-09-052024-09-05ObtainedYes2023-11-15
16AmistadAmistad Solar, LLCTXVal VerdeGrading / Land Disturbance PermitVal Verde County Permits OfficeVVC-GP-2022-03912022-07-182022-09-102024-09-10ObtainedYes2023-11-15Required due to site topography near Amistad reservoir drainage area

[sheet: FAA Determinations]

Item #Project NameProject EntityStateCountyFAA Case / Aeronautical Study No.Filing TypeMaximum Structure Height (ft AGL)Nearest Airport / AirstripDistance to Airport (miles)Application DateDetermination DateDetermination TypeExpiration DateStatusNotes
1Pecos SunPecos Sun Solar, LLCTXReeves2022-ASW-12457-OEForm 7460-1 (Notice of Proposed Construction)15Pecos Municipal Airport (PEQ)8.22022-03-152022-05-10Determination of No Hazard to Air Navigation2024-05-10ObtainedStandard no-hazard determination; no marking/lighting required
2Red MesaRed Mesa Solar, LLCTXPecos2022-ASW-12891-OEForm 7460-115Fort Stockton-Pecos County Airport (FST)11.52022-04-102022-06-15Determination of No Hazard to Air Navigation2024-06-15Obtained
3Coyote FlatsCoyote Flats Solar, LLCTXWard2022-ASW-13204-OEForm 7460-115Monahans-Wickett-Pyote Airport (MIF)6.82022-04-252022-07-01Determination of No Hazard to Air Navigation2024-07-01ObtainedGlare study requested and submitted; no adverse findings
4Llano VerdeLlano Verde Solar, LLCTXHudspeth2022-ASW-13678-OEForm 7460-115No public airport within 15 miles182022-05-152022-07-20Determination of No Hazard to Air Navigation2024-07-20Obtained
5CimarronCimarron Solar, LLCNMLea2022-ASW-11998-OEForm 7460-115Lea County-Jal Airport (E26)5.42022-02-102022-04-15Determination of No Hazard to Air Navigation2024-04-15Obtained
6Sandoval RidgeSandoval Ridge Solar, LLCNMSandoval2022-ASW-14102-OEForm 7460-115Double Eagle II Airport (AEG)9.12022-05-282022-08-05Determination of No Hazard to Air Navigation2024-08-05Obtained
7AmistadAmistad Solar, LLCTXVal Verde2022-ASW-14556-OEForm 7460-115Del Rio-Laughlin AFB (DLF)12.32022-06-152022-08-28Determination of No Hazard to Air Navigation2024-08-28ObtainedProximity to military airfield required supplemental review; no adverse finding
8AmistadAmistad Solar, LLCTXVal Verde2022-ASW-14557-OEForm 7460-1 (Supplemental — Southern Array)15Del Rio-Laughlin AFB (DLF)10.82022-06-202022-09-05Determination of No Hazard to Air Navigation2024-09-05ObtainedSupplemental filing for southern array section closer to Laughlin AFB approach corridor