v3.26.3
Investment in ATC and ATC Holdco (Tables)
9 Months Ended
Sep. 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

 

 

Nine Months Ended

 

 

 

September 30,

 

 

September 30,

 

(In thousands)

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Equity earnings from investment in ATC

 

$

3,907

 

 

$

3,224

 

 

$

11,205

 

 

$

9,280

 

Dividends received from ATC

 

 

2,954

 

 

 

2,403

 

 

 

8,404

 

 

 

8,035

 

Capital contributions to ATC

 

 

3,567

 

 

 

3,214

 

 

 

10,183

 

 

 

8,385

 

 

In October 2026, MGE Transco made a $4.3 million capital contribution to ATC.

ATC's summarized financial data is as follows:

 

 

Three Months Ended

 

 

Nine Months Ended

 

 

 

September 30,

 

 

September 30,

 

(In thousands)

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Operating revenues

 

$

280,753

 

 

$

245,104

 

 

$

820,060

 

 

$

721,260

 

Operating expenses

 

 

(129,377

)

 

 

(116,919

)

 

 

(386,418

)

 

 

(351,228

)

Other income, net

 

 

87

 

 

 

188

 

 

 

2,015

 

 

 

821

 

Interest expense, net

 

 

(47,330

)

 

 

(41,593

)

 

 

(137,731

)

 

 

(124,040

)

Earnings before members' income taxes

 

$

104,133

 

 

$

86,780

 

 

$

297,926

 

 

$

246,813

 

Other Investments

During the three and nine months ended September 30, 2026 and 2025, certain investments were liquidated for MGE Energy. There were no material liquidations for MGE during these periods. As a result of the liquidations, the following was received:

 

 

 

Three Months Ended

 

 

Nine Months Ended

 

 

 

September 30,

 

 

September 30,

 

(In thousands)

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Cash proceeds

 

$

6,724

 

 

$

4,244

 

 

$

12,133

 

 

$

4,402

 

Gain on sale

 

 

5,346

 

 

 

3,156

 

 

 

9,322

 

 

 

3,233