Common Ground · Overlaps in time
When, above where.
Every located project rises to its filed in-service date. Nearby candidates are under 25 straight-line miles apart; height shows filed timing.
Data and sources · 3,366 mapped projects
- Drawn
- 3366
- Not located
- 183
- Ground
- 1 Jan 2025
Analysis date Sep 27, 2026
142 sources
aea-update-2025-09aep-transmission-projects:indiana-map-setupaep-transmission-projects:michigan-map-setupaep-transmission-projects:ohio-map-setupatc-tya-2025bpa-cx-20240429-bell-addy-no1-transmission-line-switch-replacements-and-structurebpa-cx-20241101-columbia-generating-station-500kV-motor-operated-disconnect-switch-replacementbpa-cx-20250221-heyburn-minico-reconductorbpa-cx-20250221-pearl-sherwood-no-1-and-no-2-transmission-line-and-pearl-substationbpa-cx-20251023-troutdale-substation-terminal-expansionbpa-cx-20251028-monroe-substation-maintenance-projectbpa-cx-20260106-lapine-substation-shunt-capacitor-expansion-update-to-cx-issued-01152025bpa-cx-20260319richlandsubstationtostevensdrivetransmissionlinerebuildprojectupdatetopreviouscxbpa-cx-20260501-security-system-upgrade-at-monroe-substationbpa-cx-20260527-mcnary-roundup-no1-transmission-line-rebuild-projectbpa-cx-20260529-tillamook-substation-line-terminal-swap-projectbpa-cx-20260622-benton-franklin-no1-transmission-line-switch-installation-and-structure-reconfigbpa-cx-20260708-eugene-alderwood-no1-115kV-rebuild-and-upgrades-cxbpa-cx-20260915-chief-joseph-substation-transformer-maintenance-projectbpa-gerp-linesbpa-gerp-substationsbpa-gerp-updatebpa-transmission-plan-2023bpa-transmission-plan-2025caiso-nu-2025-07caiso-tdf-2026-07chugach-girdwood-indiandesc-2024desc-2025ercot-tpit-2026-07firstenergy-transmission-projects:ohio--avery-hayesfirstenergy-transmission-projects:ohio--ayersville-substation-expansion-and-transmission-rebuildfirstenergy-transmission-projects:ohio--brady-darrow-138kv-tx-line-damaged-twr-no7832-replacement-projectfirstenergy-transmission-projects:ohio--broadview-substation-expansion-projectfirstenergy-transmission-projects:ohio--dobbins-toronto-transmission-line-tower-projectfirstenergy-transmission-projects:ohio--east-akron-evans-138kv-transmission-line-switch-replacementfirstenergy-transmission-projects:ohio--east-fayette-stryker-projectfirstenergy-transmission-projects:ohio--evergreen-highland-interconnection-projectfirstenergy-transmission-projects:ohio--evergreen-highland-projectfirstenergy-transmission-projects:ohio--fowles-fox-138-kv-q-12-transmission-linefirstenergy-transmission-projects:ohio--fowles-pleasant-valley-tower-2047-replacementfirstenergy-transmission-projects:ohio--nevada-substation-expansion-projectfirstenergy-transmission-projects:ohio--niles-shenango-transmission-line-projectfirstenergy-transmission-projects:ohio--visteon-greenfield-138kv-switch-replacement-projectfirstenergy-transmission-projects:pennsylvania--bethlen-ethelspringsfirstenergy-transmission-projects:pennsylvania--carroll-hunterstown-projectfirstenergy-transmission-projects:pennsylvania--cranberry-pinefirstenergy-transmission-projects:pennsylvania--dutch-fork-enon-rebuild-projectfirstenergy-transmission-projects:pennsylvania--east-germantownfirstenergy-transmission-projects:pennsylvania--elko-moshannon-transmission-line-rebuild-projectfirstenergy-transmission-projects:pennsylvania--hunterstown-orrtannafirstenergy-transmission-projects:pennsylvania--niles-valleyfirstenergy-transmission-projects:pennsylvania--shawnee-walkerfpl-tysp-2024fpl-tysp-2025fpl-tysp-2026frcc-lrp-2012frcc-lrp-2013frcc-lrp-2015frcc-lrp-2016frcc-lrp-2017frcc-lrp-2018frcc-lrp-2019frcc-lrp-2021frcc-lrp-2022frcc-lrp-2023frcc-lrp-2024frcc-lrp-2025frcc-lrp-2026gpc-2025greatlakes-pjm-paheco-igp-2026-updateheco-roosevelt-avehpuc-annual-report-fy2025iso-ne-rsp-2026-06mid-atlantic:nypsc:23-T-0660mid-atlantic:nypsc:24-T-0113mid-atlantic:nypsc:25-T-0241mid-atlantic:pjm-constructionmiso-lrtp-tr21-midwestmiso-mtep25-appendix-a-midwestmiso-mtep26-evalmiso-mtep26-eval-midwestmn-btpr-2025:Ch_6_Needs-6.3mn-btpr-2025:Ch_6_Needs-6.4mn-btpr-2025:Ch_6_Needs-6.5mn-btpr-2025:Ch_6_Needs-6.6mn-btpr-2025:Ch_6_Needs-6.7mn-btpr-2025:Ch_6_Needs-6.8northerngrid-scope-2024-2025northerngrid-scope-2026-2027nyiso-gold-book-2026snopud-system-improvementssoutheast:aep:arkansassoutheast:aep:kentuckysoutheast:aep:louisianasoutheast:aep:virginiasoutheast:aep:westvirginiasoutheast:ctpc-plan-2025-myusoutheast:dominionsoutheast:duke-transmission-mapsoutheast:firstenergy-vasoutheast:firstenergy-wvsoutheast:fl-dep:conditions-indexsoutheast:miso-mtep25-appendix-asoutheast:miso-mtep26-evalsoutheast:scrtp-desc-2026southeast:scrtp-santee-cooper:2017-12-12southeast:scrtp-santee-cooper:2019-03-05southeast:scrtp-santee-cooper:2020-02-05southeast:scrtp-santee-cooper:2022-02-23southeast:scrtp-santee-cooper:2023-02-22southeast:scrtp-santee-cooper:2025-03-05southeast:scrtp-santee-cooper:2026-03-11southeast:sertp:2025-preliminarysoutheast:spp-qpt-2026q3southeast:va-sccspp-qpt-2026q3spp-qpt-2026q3-southwecc-apr-2025-bpawecc-apr-2025-chpdwecc-apr-2025-ipcwecc-apr-2025-pacificorpwecc-apr-2025-pgewecc-apr-2025-psewecc-apr-2025-summarywecc-apr-2026-apswecc-apr-2026-epewecc-apr-2026-gbtwecc-apr-2026-iidwecc-apr-2026-ipcwecc-apr-2026-ladwpwecc-apr-2026-nvewecc-apr-2026-pacificorpwecc-apr-2026-tepwecc-apr-2026-tsgtwecc-apr-2026-wapawestconnect-tppl-2026-02westconnect-tppl-2026-02-wywesttec-10yr-identifiedwesttec-10yr-plannedwesttec-10yr-planned-swNational coverage and location confidence
3287 national projects not yet in service included (46 confirmed, 270 owner-published, 2971 tentative; only confirmed ones are independently reviewed). 2053 already in service are in History → Explore national records (5891 unlocated) →
Legend
- Exact in-service date
- Only a month or year filed: the whole span, no day picked
- Today, Sep 27, 2026 · 10-mile grid
- Day gap of the selected pair
- Color: the project's state
- Confirmed Owner-published Tentative location
Drag to pan · right-drag or ⌃-drag to tilt · ↑ ↓ step through pairs · Esc clears
Raising the time axis…