v3.26.1
Investment in ATC and ATC Holdco (Tables)
6 Months Ended
Jun. 30, 2026
Equity Method Investments and Joint Ventures [Abstract]  
Equity Method Investments Financial Data MGE Transco recorded the following amounts related to its investment in ATC:

 

 

 

Three Months Ended

 

 

Six Months Ended

 

 

 

June 30,

 

 

June 30,

 

(In thousands)

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Equity earnings from investment in ATC

 

$

3,776

 

 

$

3,066

 

 

$

7,298

 

 

$

6,056

 

Dividends received from ATC

 

 

2,788

 

 

 

2,345

 

 

 

5,450

 

 

 

5,632

 

Capital contributions to ATC

 

 

2,156

 

 

 

2,679

 

 

 

6,616

 

 

 

5,171

 

 

In July 2026, MGE Transco made a $3.6 million capital contribution to ATC.

ATC's summarized financial data is as follows:

 

 

Three Months Ended

 

 

Six Months Ended

 

 

 

June 30,

 

 

June 30,

 

(In thousands)

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Operating revenues

 

$

274,048

 

 

$

241,227

 

 

$

539,307

 

 

$

476,156

 

Operating expenses

 

 

(129,636

)

 

 

(117,564

)

 

 

(257,041

)

 

 

(234,309

)

Other income, net

 

 

1,228

 

 

 

550

 

 

 

1,928

 

 

 

633

 

Interest expense, net

 

 

(45,925

)

 

 

(43,254

)

 

 

(90,401

)

 

 

(82,447

)

Earnings before members' income taxes

 

$

99,715

 

 

$

80,959

 

 

$

193,793

 

 

$

160,033