Coverage ledger · committed public sources

Data quality

Every count keeps its denominator. Project versions, active records, endpoint evidence and matches stay separate so incomplete coverage cannot read as zero opportunity.

Effective match review2 rejected · 3 need review16 audit downgrades (2 pairs, 14 endpoints)

Project versions: 299
Location records: 400
Located projects: 79
Matches: 5

Dataset status

Coverage shown: records selected from the active dataset.

Latest load attempt

ok 5c3178a3d4958979e9ef3923ac8ced1ff9d088ff · 2026-09-27T14:53:58Z

The latest attempt is reported separately; a failed attempt does not replace the active dataset.

Source inventory

Public source identity and scope
Source	Filing	Pages	Status	SHA-256
desc-2024 Dominion Energy South Carolina	2024-2028	44	public	`890876d0faef…`
desc-2025 Dominion Energy South Carolina	2025-2029	47	public	`265453ccf14b…`
gpc-2025 Georgia Power Company	2025 IRP	668	public_with_banner	`0dae2fc3a384…`
sample Sperry Tech	ShellHacks 2026 Gridlock challenge	N/A	public	`fe01df4ed069…`

Coverage by source

desc-2024

DESC Planned Transmission Projects $2M and Above Total - 2024-2028

44 versions

Canonical rows parsed44 / 44 · 100.0%

Active projects located0 / 7 · 0.0%

Active projects in a match0 / 7 · 0.0%

Active · inactive: 7 · 37
Location records: 7
Accepted endpoints: 0
Filed projects (2 · 1 · 0 endpoints): 27 · 13 · 4
High · medium · low · rejected: 0 · 0 · 0 · 7
Flagged versions: 7
Matches involving source: 0

endpoint_ambiguous · 4cost_consistency_mismatch · 2endpoint_multi_asset · 2endpoint_scope_ambiguous · 2cost_amount_invalid:2024 · 1in_service_multiple_dates · 1yearly_spend_incomplete · 1

7 active projects without an accepted location

DESC:6807 B Queensboro - Ft Johnson 115 kV & Queensboro-Bayfront 115kV (Queensboro-James Island Sect)
DESC:6808 J Eastover - Square D 115kV: Rebuild
DESC:6808 W Square D - Hopkins 115kV: Rebuild
DESC:6809 E Stevens Creek - Hooks 115kV/LR Plumb Branch 46kV Rebuilds
DESC:05004 P Summerville: Replace and Spare 230-115kV 336MVA Auto Bank
DESC:6810 A Hooks - Thurmond 115kV Tie: Rebuild
DESC:6847 A-B, D-H Church Creek – Faber Place – Charleston Transmission: Add 230kV Line

desc-2025

DESC Planned Transmission Projects $2M and Above Total - 2025-2029

47 versions

Canonical rows parsed47 / 47 · 100.0%

Active projects located16 / 47 · 34.0%

Active projects in a match3 / 47 · 6.4%

Active · inactive: 47 · 0
Location records: 56
Accepted endpoints: 16
Filed projects (2 · 1 · 0 endpoints): 22 · 12 · 13
High · medium · low · rejected: 0 · 16 · 0 · 40
Flagged versions: 17
Matches involving source: 5

endpoint_ambiguous · 13endpoint_scope_ambiguous · 8endpoint_multi_asset · 5cost_consistency_mismatch · 2yearly_spend_not_published · 2cost_currency_symbol_missing:2025 · 1cost_currency_symbol_missing:2027 · 1in_service_multiple_dates · 1

31 active projects without an accepted location

DESC:0167C-D Union Pier 115-13.8 kV Sub: Tap
DESC:0139 M,N Okatie 230-115kV Substation, Jasper – Yemassee 230kV #1 Fold-in
DESC:6808 K Burton-St Helena 115kV: Rebuild Burton-Frogmore Transmission Section
DESC:6808 L Burton-St Helena 115kV: Frogmore Distribution - St Helena
DESC:6808 N,O VCS1-Denny Terrace 230kV & VCS1-Pineland 230kV: Rebuild Single Circuit Sections
DESC:6808 U Hopkins-CIP 230kV: Rebuild
DESC:6808 V Faber Place-Bayfront 115kV: Rebuild North Bridge Terrace to Bayfront Section
DESC:6805 G Edenwood Sub: #1 & #2 230-115kV Autobanks, Replace with 336MVA
DESC:1060A, I, L Williams St Sub: Replace Sw House & Relays, AM Williams Sub: Replace Sw House, and McMeekin Sub: Add Sw House
DESC:06005 B Harleyville 115KV Transmission Tap – Construct (1.4 miles)
DESC:06367 A - C, H Sherwood Tap: Construct Tap
DESC:06371 D Wagener 115kV Tap: Construct Tap
DESC:06810 G Goose Creek Reservoir: Rebuild Transmission Line Crossings
DESC:06810 H Summerville 115kV Loop: Rebuild
DESC:6809 M St George - Sumter 230kV Tie: Rebuild Line from Santee Substation - Duke/Progress Energy Tie
DESC:5392 A-C Coit – Gills Creek 115kV: Construct
DESC:6853 B-F Scout 230 kV Sub and Fold-in: Construct
DESC:6859 Dawson 230kV Sub and Fold-in: Construct and Rebuild
DESC:0147 B, J Jack Primus 115 kV Tap: Construct
DESC:6847 Church Creek – Faber Place – Charleston Transmission: Add 230kV Line
DESC:6846 A Eastover – Sumter 115kV DEP Tie: Rebuild with 1272 ACSR
DESC:6810 O Urquhart – Aiken PSA 46 kV: Rebuild
DESC:6810 T Cameron Jct – Cameron – St Matthews 46 kV Rebuild
DESC:6870 A Saluda Hydro – Bush River 115kV #1 and #2 Tie Lines Rebuild
DESC:6809 F Orangeburg #1 - Cameron Jct 46kV Line Rebuild
DESC:6888 Okatie – McIntosh 115kV Tie: Add Series Reactor
DESC:6877 A Church Creek – Dawson 230 kV: Rebuild from Long Savannah to Dawson
DESC:6238 H Fairfax-Yemassee 115kV: Upgrade for DESCSQ #1151 Interconnection
DESC:6873 Winnsboro West 230-115 kV Sub and Fold-in: Construct
DESC:6864 D, E Millrace 115 kV Tap: Construct
DESC:6869 D Long Savannah 115 kV Tap: Construct

gpc-2025

2025 IRP Technical Appendix Volume 3 - Transmission Plan - Public Disclosure

208 versions

Canonical rows parsed208 / 208 · 100.0%

Active projects located63 / 208 · 30.3%

Active projects in a match4 / 208 · 1.9%

Active · inactive: 208 · 0
Location records: 337
Accepted endpoints: 73
Filed projects (2 · 1 · 0 endpoints): 137 · 63 · 8
High · medium · low · rejected: 0 · 73 · 0 · 264
Flagged versions: 9
Matches involving source: 5

endpoint_ambiguous · 8source_status_conflict · 1

145 active projects without an accepted location

GPC:16007 FENWICK STREET - SAND BAR FERRY 115KV (RECONDUCTOR/REBUILD)
GPC:20270 MEAG: RAY PLACE RD - WASHINGTON #3
GPC:20271 MEAG: RAY PLACE RD - WASHINGTON (WASHINGTON - WASHINGTON 3)
GPC:20264 MEAG: RAY PLACE RD - WARRENTON PRIMARY
GPC:21116 GOSHEN AREA STRATEGIC SOLUTION
GPC:20756 HATCH - WADLEY 500 KV LINE STRATEGIC PROJECT
GPC:14222 THOMSON PRIMARY 230/115KV SECOND TRANSFORMER
GPC:19523 SAV: CC - HYUNDAI MOTORS SAVANNAH AKA. PROJECT EA
GPC:17075 SAV: LITTLE OGEECHEE 230- 115KV: RELAY MODERNIZATION
GPC:19966 SAV: CC - BIG OGEECHEE 500/230KV (CC NETWORK IMPROVEMENTS)
GPC:20065 SAV: GOSHEN (SAV) - MCINTOSH 115KV LINE REBUILD
GPC:20989 SAV: RICE HOPE NEW AUTO TRANSFORMER
GPC:20796 SAV: MELDRIM BANK D REPLACEMENT
GPC:20787 SAV: LITTLE OGEECHEE 230/115KV BANK REPLACEMENT
GPC:20243 CC - GARRETT ROAD SWITCHING STATION - TRAE LANE
GPC:20509 CC - EMBLEM RIVERSIDE CUSTOMER SUB (FLEXENTIAL)
GPC:20781 CC - SUMMER LAKE - VILLA RICA 230KV REBUILD (CC IMPROVMNT)
GPC:20858 GTC: ADAMSVILLE - BUZZARD ROOST 230KV REBUILD
GPC:20505 GTC: GARRETT RD - V. RICA 230KV LINE RECONDUCTOR (CC NET IM)
GPC:20506 GTC: SWITCH WAY - THORNTON ROAD 230KV LINE REBUILD
GPC:20797 CC - EAST VILLA RICA AREA SWITCHING STATION (CC IMPROVEMENT)
GPC:21069 SMART VALVES AT EAST VILLA RICA SWITCHING STATION
GPC:21036 BUZZARD ROOST - FACTORY SHOALS 230KV NEW LINE
GPC:20849 GTC: CLIFTONDALE - LINE CREEK 230KV LINE
GPC:21123 GTC: TENASKA - WANSLEY 500KV NEW LINE
GPC:20764 ATKINSON - NORTHSIDE DRIVE 115KV REBUILD
GPC:20761 ATKINSON - NORTHWEST 115KV REBUILD
GPC:21014 GTC: BUZZARD ROOST - CAVENDER DRIVE 230KV NEW LINE
GPC:21013 GTC: CAVENDER DRIVE 500/230KV AUTOBANK
GPC:20857 NEW CAVENDER DRIVE - TRIBUTARY 230KV LINE
GPC:21098 TRIBUTARY - THORNTON RD 230KV REBUILD
GPC:20464 NORCROSS 230KV BUS 1-3 SERIES BUS TIE BREAKER INSTALLATION
GPC:10143 LAWRENCEVILLE - WINDER 115KV LINE REBUILD
GPC:10814 GTC: BAY CREEK 230/115KV SECOND AUTO TRANSFORMER
GPC:20760 GTC: HOPEWELL 230/115 KV BANK A
GPC:20757 NORCROSS - NORTH DRUID HILLS 115KV REBUILD
GPC:20759 WINDER PRIMARY 230KV BUS 1-2 PARALLEL BUS-TIE INSTALLATION
GPC:19676 ADAMSVILLE - JACK MCDONOUGH 230KV LINE REBUILD
GPC:13753 MEAG: ALCOVY ROAD - SKC 115 KV RECONDUCTOR
GPC:18889 JEFFERSON STREET#3 - NORTHWEST (WHITE) 115 KV RECONDUCTOR
GPC:21139 GRADY - MORROW (WHITE) 115KV REBUILD
GPC:20474 GRADY 230/115KV RELAY MODERNIZATION
GPC:21137 GTC: CONYERS - CORNISH MOUNTAIN 115KV LINE UPGRADE
GPC:20490 KLONDIKE RELAY MODERNIZATION
GPC:20489 SCOTTDALE RELAY MODERNIZATION
GPC:19287 GRADY-WEST END 115KV REBUILD
GPC:19606 GTC: SKC 115KV BUS AND JUMPER REPLACEMENT
GPC:20777 JACK MCDONOUGH - NORTHWEST (BLACK) 230KV RECONDUCTOR
GPC:21142 CONYERS - KLONDIKE 230 KV SECOND LINE
GPC:21138 GLENWOOD SPRINGS - PORTERDALE PRIMARY 230KV LINE SWITCH REPL
GPC:21141 LLOYD SHOALS - PORTERDALE PRIMARY 115KV REBUILD
GPC:20018 CC - QTS FAYETTEVILLE TRANSMISSION NEEDS
GPC:19597 ADAMSVILLE - BUZZARD ROOST 230KV REBUILD AND JUMPER UPGRADE
GPC:20216 CC - STONEWALL TELL ROAD (TA REALTY)
GPC:20491 EAST POINT RELAY MODERNIZATION
GPC:20300 MORROW 115KV RELAY UPGRADE
GPC:17900 UNION CITY - YATES 230 KV WHITE LINE REBUILD
GPC:20691 UNION CITY - YATES 230KV (WHITE) SWITCH AND TRAP REPLACEMENT
GPC:21022 OHARA BREAKER REPLACEMENT
GPC:20668 DRESDEN LINE PROTECTIVE RELAYING
GPC:20273 GTC: DRESDEN 500KV BUS EXPANSION
GPC:19363 MORROW - MOUNTAIN VIEW 115 KV REBUILD
GPC:20771 CC - GULLATT ROAD TRANSMISSION IMPROVEMENTS
GPC:18736 CC - MICROSOFT - SHUGART (CCO06)
GPC:20736 CC - TA REALTY ELLENWOOD NETWORK IMPROVEMENTS
GPC:20717 CC - TOMOCHICHI 500/230KV SOLUTION (CC NETWORK IMPROVEMENTS)
GPC:20656 PLANT YATES BREAKER AND HALF STATION
GPC:20274 UNION CITY - YATES 230KV (BLACK) LINE REBUILD
GPC:21062 ASHLEY PARK-WANSLEY 500KV
GPC:21073 GTC: BIG SMARR - TOMOCHICHI 500KV
GPC:19187 GRID - BREMEN - CROOKED CREEK (APC) 115 KV PROJECT
GPC:20431 VILLA RICA LOW SIDE BREAKER
GPC:20152 CC - CASS PINE- HILL VIEW 230 KV LINE- CC IMPROVEMENTS
GPC:20175 CC - PROJECT CHRONOS- SK/HYUNDAI
GPC:18679 DU: EAST DALTON - OOSTANAULA 115KV REBUILD
GPC:19636 HAMMOND - WEISS DAM 115KV LINE REBUILD
GPC:20151 CC - CASS PINE 230/25 NEW SUB - QCELLS - CC IMPROVEMENTS
GPC:20150 CC - HILL VIEW & GRASSY HOLLOW SUB - CC IMPROVEMENTS
GPC:20024 DYER ROAD - EAST ROANOKE 115KV (REBUILD)
GPC:20774 CC - VILLA RICA UPGRADES (CC NETWORK IMPROVEMENTS)
GPC:21129 ANNISTON - HAMMOND 230KV LINE
GPC:10811 BOWEN #10 500/230KV AUTOBANK REPLACEMENT
GPC:18670 GTC: BANKS CROSSING - POND FORK 115 KV
GPC:20326 ANTHONY SHOALS STATCOM SYSTEM
GPC:19706 GRID - GAINESVILLE #2 EQUIPMENT REPLACEMENT
GPC:20015 GTC: MORNING HORNET 2ND 230/115 KV BANK & THUMBS UP 115KV TL
GPC:20234 DOYLE - LG&E MONROE 230KV - JACKS CREEK LOOP IN
GPC:09662 GTC: EAST WALTON 500/230KV PROJECT
GPC:21130 CC - NORTH GEORGIA DATA NETWORK UPGRADES
GPC:10478 CORNELIA - TALLULAH LODGE 115KV REBUILD
GPC:20375 GTC: EAST WATKINSVILLE 230 KV STATION MODIFICATION
GPC:21111 GTC: HARTWELL DAM - HARTWELL ENERGY 230KV SERIES REACTORS
GPC:21113 GTC: HARTWELL ENERGY - MIDDLE FORK 230KV LINE
GPC:21131 GTC: POND FORK - MIDWAY 115KV LINE
GPC:20789 JEFFERSON ROAD - WINDER PRIMARY 115KV REBUILD
GPC:20773 GTC: CLARKSBORO - WINDER PRIMARY 230KV REBUILD
GPC:21075 GTC: EAST WALTON - MIDDLE FORK 500KV
GPC:20791 GTC: SHOAL CREEK - SOUTH HALL 230KV REBUILD
GPC:20516 GOAT ROCK 230KV SWITCH, JUMPER, & LINE TRAP REPLACEMENT
GPC:19598 MEAG: DRESDEN - LAGRANGE PRIMARY 230KV UPGRADE & JUMPERS
GPC:20874 GTC: BARNESVILLE PRIMARY- BARNESVILLE #1 115KV RECONDUCTOR
GPC:18832 MEAG: FORTSON 230KV SUBSTATION MODERNIZATION
GPC:20482 PITTMAN ROAD - WEST POINT DAM (USA) 115KV REBUILD
GPC:13166 FIRST AVENUE - NORTH COLUMBUS 115KV LINE REBUILD
GPC:21128 GOAT ROCK REACTORS INSTALLATION
GPC:20160 THOMASTON 230 NEW BUILD SUB
GPC:21114 MEAG: SOUTH GRIFFIN 230/115KV BANK #5
GPC:18800 ECHECONNEE-WELLSTON 115KV REBUILD
GPC:18153 GTC: BONAIRE PRI- ECHECONNEE 115 KV PARTIAL REBUILD
GPC:20466 SMART VALVE INSTALLATION
GPC:19618 GORDON-N DUBLIN 115KV (GORDON-ENGL MCI J) REBUILD
GPC:19999 GTC: ROBINS SPRING BUS REPLACEMENT
GPC:20001 GTC: ROBINS SPRING CAPACITOR BANK INSTALLATION
GPC:20512 KATHLEEN AREA IMPROVEMENTS
GPC:20002 GTC: GORDON - SANDERSVILLE #1 115KV LINE REBUILD
GPC:19622 GTC: RIDDLEVILLE BUS REPLACEMENT
GPC:19248 SANDERSVILLE #1 - WADLEY PRI. 115KV REBUILD/RECONDUCTOR
GPC:18573 GRID - ARKWRIGHT - LLOYD SHOALS 115KV
GPC:19997 AULTMAN ROAD-PERRY 115KV LINE REBUILD
GPC:20873 GTC: BONAIRE PRIMARY 500/230KV XFMR REPLCMNT & RELAY MOD
GPC:20768 SOUTH MACON 115KV BUSES 1 & 2 REPLACEMENT
GPC:20586 GTC: NORTH DUBLIN 230/115KV TRANSFORMERS AND BUS-TIE BREAKER
GPC:21047 BROADWAY - ECHECONNEE 115 KV LINE REBUILD
GPC:19627 ECHECONNEE-WELLSTON 115KV LINE REBUILD
GPC:20428 GORDON-SANDERSVILLE #1 115KV LINE REBUILD (DEEPSTEP-SAND #6)
GPC:21077 GTC: ROCKVILLE - TIGER CREEK -WARTHEN 500KV LINES
GPC:21094 GTC: TIGER CREEK- ROCKVILLE-NORTH SPA 230KV PROJECT
GPC:21093 NORTH SPA 230KV STRATEGIC PROJECT
GPC:19626 GLENWOOD SPRINGS 115KV CAP BANK
GPC:21099 MEAG: PIO NONO 230/115KV AREA SOLUTION
GPC:20767 ARKWRIGHT BUS AND JUMPER REPLACEMENT
GPC:19631 PINE GROVE PRIMARY 115 KV DUAL STAGE CAPACITOR BANK
GPC:18691 GTC: LIZARD LOPE - WESTOVER 115 KV NEW LINE
GPC:18690 PALMYRA REACTOR REMOVAL
GPC:20223 CC - PROJECT PAYTON BAINBRIDGE
GPC:20503 GTC: BARNEYVILLE - EAST MOULTRIE 115KV NEW LINE
GPC:19630 MEAG: THOMASVILLE 230/115KV AUTOBANK REPLACEMENT
GPC:20285 LOWER RIVER - WEBB (APC) 115KV RECONDUCTOR
GPC:11051 MEAG: SLAPPEY DRIVE - WESTOVER 115KV LINE REBUILD
GPC:21063 FARLEY (APC)-TAZEWELL 500KV
GPC:21076 GTC: TALLBOT #2 - TAZEWELL 500KV LINE
GPC:18848 BAINBRIDGE TRANSMISSION: EAST RIVER ROAD, EAST BAINBRIDGE
GPC:20342 GTC: CAMDEN INDUSTRIAL PARK 230/115KV NEW SUBSTATION
GPC:21046 THALMANN AND COLERAIN 23O KV LINE RELAY PANEL UPGRADES
GPC:20684 CAMDEN INDUSTRIAL PARK (GPC)

sample

Projects_Overlaps.xlsx sponsor sample

fixture reference

Canonical coverage N/AThis sponsor sample supports fixture demonstrations and has no canonical project records in the coverage ledger.

Validation evidence

Gemini extraction

Model N/A · live calls 0 · pages processed 0 / 91

Live execution was not requested.

Independent source spot check

108 agreements across 12 records and 9 field groups; 0 mismatches.

This F13 source check is separate from model accuracy. Real Gemini comparison accuracy: N/A.

Validated Gemini field agreement with the deterministic parser; N/A means no real model output
Field	Denominator	Agreement
Description	0	N/A
Endpoints	0	N/A
In-service date	0	N/A
Name	0	N/A
Need	0	N/A
Project ID	0	N/A
Status	0	N/A
Total cost	0	N/A
Voltage	0	N/A
Yearly spend	0	N/A