BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Parcel & Grid//Interconnection dates//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Parcel & Grid: interconnection dates
X-WR-CALDESC:Application windows and study milestones from operator documents. parcelandgrid.com/interconnection/
BEGIN:VEVENT
UID:2026-10-30-caiso@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261030
DTEND;VALUE=DATE:20261031
SUMMARY:CAISO: Cluster 15 interconnection facilities study: estimated end of the July 3 to October 30 window
DESCRIPTION:Source: CAISO notice https://www.caiso.com/notices/c15-estimated-interconnection-facilities-study-costs-and-timeframe via parcelandgrid.com/interconnection/#deadlines
URL:https://www.caiso.com/notices/c15-estimated-interconnection-facilities-study-costs-and-timeframe
END:VEVENT
BEGIN:VEVENT
UID:2026-11-19-iso-new-england@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261119
DTEND;VALUE=DATE:20261120
SUMMARY:ISO New England: First regular cluster window closes (opened October 5)\; study work starts in early 2027
DESCRIPTION:Source: ISO-NE memo https://www.iso-ne.com/static-assets/documents/100036/iso-ne-memo-regarding-tcs-next-steps.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.iso-ne.com/static-assets/documents/100036/iso-ne-memo-regarding-tcs-next-steps.pdf
END:VEVENT
BEGIN:VEVENT
UID:2026-11-20-southern-company@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261120
DTEND;VALUE=DATE:20261121
SUMMARY:Southern Company: 2026 cluster study scheduled to finish (ran from June 23)
DESCRIPTION:Source: Southern Company stakeholder slides https://www.oasis.oati.com/woa/docs/SOCO/SOCOdocs/2026_Cluster_Study_Stakeholder_Meeting_Slides.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.oasis.oati.com/woa/docs/SOCO/SOCOdocs/2026_Cluster_Study_Stakeholder_Meeting_Slides.pdf
END:VEVENT
BEGIN:VEVENT
UID:2026-12-08-spp@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261208
DTEND;VALUE=DATE:20261209
SUMMARY:SPP: DISIS-2024-001 Phase 2 results listed for posting
DESCRIPTION:Source: SPP weekly study schedule https://opsportal.spp.org/documents/studies/sppgistudyupdate_weekly.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://opsportal.spp.org/documents/studies/sppgistudyupdate_weekly.pdf
END:VEVENT
BEGIN:VEVENT
UID:2026-12-09-miso@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261209
DTEND;VALUE=DATE:20261210
SUMMARY:MISO: DPP-2026 cycle study kickoff (applications closed September 10\, 2026)
DESCRIPTION:Source: MISO IPWG minutes https://cdn.misoenergy.org/20260901%20IPWG%20Item%2001c%20Minutes%2020260721771546.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://cdn.misoenergy.org/20260901%20IPWG%20Item%2001c%20Minutes%2020260721771546.pdf
END:VEVENT
BEGIN:VEVENT
UID:2026-12-30-spp@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261230
DTEND;VALUE=DATE:20261231
SUMMARY:SPP: DISIS-2024-001 projected completion
DESCRIPTION:Source: SPP weekly study schedule https://opsportal.spp.org/documents/studies/sppgistudyupdate_weekly.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://opsportal.spp.org/documents/studies/sppgistudyupdate_weekly.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-01-04-pjm@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270104
DTEND;VALUE=DATE:20270105
SUMMARY:PJM: Transition Cycle 2 expected completion (Phase III began July 8\, 2026)
DESCRIPTION:Source: PJM FERC report https://www.pjm.com/-/media/DotCom/documents/ferc/filings/2026/20260814-er22-2110-000-er22-2110-001.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.pjm.com/-/media/DotCom/documents/ferc/filings/2026/20260814-er22-2110-000-er22-2110-001.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-01-15-southern-company@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270115
DTEND;VALUE=DATE:20270116
SUMMARY:Southern Company: 2026 cluster facilities study begins (runs to April 15\, 2027)
DESCRIPTION:Source: Southern Company stakeholder slides https://www.oasis.oati.com/woa/docs/SOCO/SOCOdocs/2026_Cluster_Study_Stakeholder_Meeting_Slides.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.oasis.oati.com/woa/docs/SOCO/SOCOdocs/2026_Cluster_Study_Stakeholder_Meeting_Slides.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-02-01-miso@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:MISO: DPP-2023 Phase 2 listed for February 2027 (month only)
DESCRIPTION:Source: MISO DPP schedule https://cdn.misoenergy.org/Definitive%20Planning%20Phase%20Schedule629192.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://cdn.misoenergy.org/Definitive%20Planning%20Phase%20Schedule629192.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-02-15-el-paso-electric@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270215
DTEND;VALUE=DATE:20270216
SUMMARY:El Paso Electric: Annual 45-day large-generator interconnection window opens
DESCRIPTION:Source: El Paso Electric tariff\, Attachment M https://www.epelectric.com/el-paso-electric/uploads/attachment-m-large-generation-interconnection-procedures-and-agreement.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.epelectric.com/el-paso-electric/uploads/attachment-m-large-generation-interconnection-procedures-and-agreement.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-04-15-southern-company@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270415
DTEND;VALUE=DATE:20270416
SUMMARY:Southern Company: 2026 cluster facilities study scheduled to finish
DESCRIPTION:Source: Southern Company stakeholder slides https://www.oasis.oati.com/woa/docs/SOCO/SOCOdocs/2026_Cluster_Study_Stakeholder_Meeting_Slides.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.oasis.oati.com/woa/docs/SOCO/SOCOdocs/2026_Cluster_Study_Stakeholder_Meeting_Slides.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-05-01-miso@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270501
DTEND;VALUE=DATE:20270502
SUMMARY:MISO: DPP-2025 Phase 2 listed for May 2027 (month only)
DESCRIPTION:Source: MISO DPP schedule https://cdn.misoenergy.org/Definitive%20Planning%20Phase%20Schedule629192.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://cdn.misoenergy.org/Definitive%20Planning%20Phase%20Schedule629192.pdf
END:VEVENT
BEGIN:VEVENT
UID:2027-08-15-dominion-energy-south-carolina@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270815
DTEND;VALUE=DATE:20270816
SUMMARY:Dominion Energy South Carolina: Annual state-process interconnection window opens (runs to September 28)
DESCRIPTION:Source: Dominion Energy SC https://www.dominionenergy.com/south-carolina/save-energy/renewable-energy-developers via parcelandgrid.com/interconnection/#deadlines
URL:https://www.dominionenergy.com/south-carolina/save-energy/renewable-energy-developers
END:VEVENT
BEGIN:VEVENT
UID:2027-09-28-dominion-energy-south-carolina@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20270928
DTEND;VALUE=DATE:20270929
SUMMARY:Dominion Energy South Carolina: Annual state-process interconnection window closes
DESCRIPTION:Source: Dominion Energy SC https://www.dominionenergy.com/south-carolina/save-energy/renewable-energy-developers via parcelandgrid.com/interconnection/#deadlines
URL:https://www.dominionenergy.com/south-carolina/save-energy/renewable-energy-developers
END:VEVENT
BEGIN:VEVENT
UID:2028-03-05-texas-tceq-@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20280305
DTEND;VALUE=DATE:20280306
SUMMARY:Texas (TCEQ): Construction General Permit TXR150000 expires\; TCEQ renews it
DESCRIPTION:Source: TCEQ https://www.tceq.texas.gov/permitting/stormwater/construction/index/ via parcelandgrid.com/interconnection/#deadlines
URL:https://www.tceq.texas.gov/permitting/stormwater/construction/index/
END:VEVENT
BEGIN:VEVENT
UID:2029-09-01-texas-legislature-@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20290901
DTEND;VALUE=DATE:20290902
SUMMARY:Texas (Legislature): Tax Code Chapter 312 abatements expire unless the Legislature renews them
DESCRIPTION:Source: Tax Code §312.006 https://statutes.capitol.texas.gov/Docs/TX/htm/TX.312.htm#312.006 via parcelandgrid.com/interconnection/#deadlines
URL:https://statutes.capitol.texas.gov/Docs/TX/htm/TX.312.htm#312.006
END:VEVENT
BEGIN:VEVENT
UID:2026-10-15-caiso@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261015
DTEND;VALUE=DATE:20261016
SUMMARY:CAISO: Cluster 16 application window closed (opened October 1)
DESCRIPTION:Source: CAISO https://www.caiso.com/documents/presentation-resource-interconnection-standards-fair-2026.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.caiso.com/documents/presentation-resource-interconnection-standards-fair-2026.pdf
END:VEVENT
BEGIN:VEVENT
UID:2026-10-09-bonneville-power@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20261009
DTEND;VALUE=DATE:20261010
SUMMARY:Bonneville Power: Phase Two cluster study agreements tendered for the transition cluster
DESCRIPTION:Source: BPA notice https://www.bpa.gov/energy-and-services/transmission/notices/20260901-schedule-adjustment-for-issuance-of-updated-large-generator-interconnect via parcelandgrid.com/interconnection/#deadlines
URL:https://www.bpa.gov/energy-and-services/transmission/notices/20260901-schedule-adjustment-for-issuance-of-updated-large-generator-interconnect
END:VEVENT
BEGIN:VEVENT
UID:2026-09-28-pjm@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20260928
DTEND;VALUE=DATE:20260929
SUMMARY:PJM: Cycle 1 Phase I studies began
DESCRIPTION:Source: PJM IPS update https://www.pjm.com/-/media/DotCom/committees-groups/subcommittees/ips/2026/20260928/20260928-item-03---cycle-schedule-update.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://www.pjm.com/-/media/DotCom/committees-groups/subcommittees/ips/2026/20260928/20260928-item-03---cycle-schedule-update.pdf
END:VEVENT
BEGIN:VEVENT
UID:2026-09-10-miso@quicksandcheck.com
DTSTAMP:20261024T123844Z
DTSTART;VALUE=DATE:20260910
DTEND;VALUE=DATE:20260911
SUMMARY:MISO: DPP-2026 application deadline
DESCRIPTION:Source: MISO IPWG minutes https://cdn.misoenergy.org/20260901%20IPWG%20Item%2001c%20Minutes%2020260721771546.pdf via parcelandgrid.com/interconnection/#deadlines
URL:https://cdn.misoenergy.org/20260901%20IPWG%20Item%2001c%20Minutes%2020260721771546.pdf
END:VEVENT
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