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Midcontinent Independent System Operator Inc

EIN 43-1827033 · IN · NTEE W80 · Form 990, fiscal 2023

An independent, not-for-profit Regional Transmission Organization and Independent System Operator established in 1998 and headquartered in Carmel, Indiana. Regulated by FERC, it operates the high-voltage bulk electric transmission system and wholesale electricity markets across 15 U.S. states and the Canadian province of Manitoba, ensuring reliable grid operation and coordinating power delivery for roughly 45 million people.

Financials, fiscal 2023

Revenue

$548.6M

Expenses

$548.6M

Total assets

$2.92B

Net assets

$0

Operating margin

0.0%

1-year growth

19.0%

5-year growth (CAGR)

7.7%

Reserve (years of spending)

0.0

Contributions share

0.0%

Programme spending

73.1%

Fundraising cost

n/a

Executive pay share

3.16%

Employees

1,246

Revenue per employee

$440K

Grants paid

n/a

Years filing

22

NFP Health Score: 62 / 100

Financial 29 · Governance 100 · Operational 90. The score is built from Form 990 line items only. It cannot measure how well an organisation delivers its mission.

Revenue history