Public interconnection queues: ISOs, RTOs and utilities
Every operator in this table publishes its own queue, and no two publish it the same way. SPP gives a public listing with CSV download, PJM exports full or filtered lists in XLS and XML, ISO-NE publishes expected operation and synchronization dates, ERCOT issues a monthly status report and NESO refreshes its register every Tuesday and Friday. MISO sets the application fee at $7,600 and security at $8,000 per MW studied.
| Alberta Electric System Operator (AESO) | Project list, interactive map and Power BI dashboards | Generation, energy storage and load facilities | — | — | In-progress with accepted SASR; recently energized and cancelled projects | Monthly project reporting | 2026-11-11 |
|---|---|---|---|---|---|---|---|
| Bonneville Power Administration (BPA) | Request queue and queue map | Large and small generation; line and load connections | — | FERC Order 845 study-completed/delayed report | — | — | 2026-11-11 |
| California ISO (CAISO) | — | — | — | — | Active, complete and withdrawn facilities | — | 2026-11-11 |
| Dominion Energy | — | — | — | — | — | Queue status quarterly; queue performance semi-annually | 2026-11-11 |
| Duke Energy | Duke Energy Progress generation study results downloadable from OASIS Generator Interconnection Information folder | Distributed renewable generation and storage | — | — | — | — | 2026-11-11 |
| ERCOT | — | Planned generation in ERCOT region | — | — | — | Monthly GIS reports | 2026-11-11 |
| Independent Electricity System Operator (IESO) | — | Transmission, load, generation and ancillary services | Queue, applicant, transmission zone, type and size | Application date and proposed in-service date | Active means assessment/addendum work remains in progress | — | 2026-11-11 |
| ISO New England | Public queue with PDF and XLSX export guidance | New/uprated generation, elective transmission upgrades and transmission service | — | Expected commercial operation, synchronization and withdrawal dates | Study-phase status and tariff-timeline deviations | — | 2026-11-11 |
| MISO | — | — | — | — | — | — | 2026-11-11 |
| National Energy System Operator (NESO) | CSV and CKAN Data API | — | — | Contracted effective connection date | Project build status and Gate 1/Gate 2 classification | Twice weekly: Tuesdays and Fridays | 2026-11-11 |
| New York Independent System Operator (NYISO) | — | Large-load interconnection requests are reported in the Gold Book | Queue position, owner/operator, project and zone | Proposed in-service date; historical 2024 reporting, not a current wait estimate | — | — | 2026-11-11 |
| Pacific Gas and Electric (PG&E) | XLSX download | — | — | — | — | — | 2026-11-11 |
| PacifiCorp | — | — | County, state, region and point of interconnection | Request date and customer-requested commercial operations date | Request status and study schedule deviation | — | 2026-11-11 |
| PJM Interconnection | Full and filtered exports in XLS and XML | — | Filters by project type, cycle, status, transmission owner, state and county | — | — | — | 2026-11-11 |
| Southern California Edison (SCE) | — | WDAT and Rule 21 non-export requests accepted in tool | — | — | — | — | 2026-11-11 |
| Southern Company Transmission | — | — | Facility location, proposed POI, generation type/size and comments | Queue date and requested in-service date | — | — | 2026-11-11 |
| Southwest Power Pool (SPP) | Public listing and CSV download | — | Capacity MW, summer/winter MW, generation/fuel type, POI and status | Request received, withdrawal and commercial operation dates; cause of delay | Includes executed GIA and study stages | — | 2026-11-11 |
| Xcel Energy | — | — | — | — | — | Monthly queue update | 2026-11-11 |
How much each ISO and RTO has queued
Full tracker| ISO / RTO | SolarMW | StorageMW | WindMW | GasMW | NuclearMW | TotalMW | Median waitmonths · COD 2025 |
|---|---|---|---|---|---|---|---|
| CAISO | 69,288 | 111,563 | 7,687 | 2,213 | 0 | 191,331 | 109.6 |
| ERCOT | 151,951 | 165,315 | 44,676 | 44,236 | 0 | 408,002 | 48 |
| ISO-NE | 1,585 | 7,067 | 6,050 | 75 | 0 | 14,783 | — |
| MISO | 165,707 | 87,064 | 46,728 | 70,868 | 2,170 | 382,182 | — |
| NYISO | 8,758 | 13,201 | 7,290 | 0 | 0 | 29,249 | — |
| PJM | 67,795 | 42,676 | 19,326 | 12,724 | 1,552 | 144,278 | 82.6 |
| SPP | 54,946 | 50,850 | 27,291 | 34,996 | 0 | 171,160 | 56.1 |
Storage includes estimated hybrid MW in LBNL’s regional summaries. Nuclear uses reported project-level MW. Total includes other resources. Waits cover completed projects with measured dates, not today’s applicants. Inspect each reading and its calculation.
What to compare between queues
How rows are readFormat and refresh
A queue you can download beats one you read. SPP and NESO offer CSV, PJM XLS and XML, PG&E XLSX. Refresh runs from twice a week at NESO to monthly at ERCOT, AESO and Xcel, and quarterly at Dominion, which also reports queue performance twice a year. The “Data as of” column shows the date printed on the page when we read it.
Dates are requests, not waits
Queues carry dates: request received, withdrawal, commercial operation. SPP lists all three and a cause of delay, PacifiCorp the customer-requested operation date, IESO the proposed in-service date. A proposed date is what the developer asked for. For measured waits use Berkeley Lab’s Queued Up, which measured a median 60.8 months from request to operation for the 294 projects built in 2025.
Fees, windows and thresholds
Entry terms differ by operator. MISO closes its 2026 DPP cycle on 15 January 2027. PG&E ran its QC16 cluster window from 11 to 25 September 2026. Xcel charges $300 for a Pre-Application Report in Minnesota, and BPA treats requests above 20 MW as large generators. Read the operator’s tariff before you file; each record links the page it comes from.