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Website · About · Legal · Privacy · Changelog · © 2026 Parisi Labs
  1. Home
  2. /Assets
  3. /Interties
  4. /MISO–PJM seam
MISO logo

MISO–PJM seam

MISO ↔ PJM · Market seam (every AC tie between two markets)

Every AC tie between MISO and PJM, from Wisconsin to Kentucky. The busiest market seam in the East, coordinated under a joint operating agreement.

Now
1,348 MWPJM → MISO
MISO · as of Sep 25, 11:00 PM CDT
Between
MISO and PJM
Technology
Market seam (every AC tie between two markets)
Published by
MISO and PJM
Open on the map

What it is carrying

Each operator's own reading, turned into a direction. Where both markets publish the tie, the two should agree.

As MISO reports it
1,348 MW · PJM → MISO

as of Sep 25, 11:00 PM CDT

As PJM reports it
1,640 MW · PJM → MISO

as of Sep 26, 12:55 PM CDT

Price across the seamReal-time · CDT
Reading prices…

Last 30 days

Hourly flow, signed so that up is power leaving the market.

As MISO reports it
-1,348MW
234-3,850-7,934Aug 27, 1 PMSep 26, 12 PM

Above zero: MISO → PJM. Below: the reverse.

Related interties

  • Neptune
    NYISO ↔ PJM
  • Hudson Transmission Project
    NYISO ↔ PJM
  • Linden VFT
    NYISO ↔ PJM
  • PJM–New York AC interface
    NYISO ↔ PJM
  • MISO–SPP seam
    MISO ↔ SPP
  • MISO–Manitoba Hydro
    MISO ↔ Manitoba Hydro
  • MISO–Ontario
    MISO ↔ Ontario
Usual direction
PJM → MISO in 100% of hours

0% out, 100% in, 0% idle across 706 hours

Average
3,178 MW · PJM → MISO
When busy
5,313 MW

95th percentile of hourly flow either way

Peak MISO → PJM
0 MW
Peak PJM → MISO
7,371 MW
Direction changes
0
The average day
0:006:0012:0018:0023:00
Mean flow by the market's local hour. Up: MISO → PJM. Down: PJM → MISO.