v3.26.1
Financing (Tables)
6 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
Schedule of Short-Term Debt

Information about short-term borrowings, including Spire Missouri’s and Spire Alabama’s borrowings from Spire, is presented in the following table. As of March 31, 2026, $572.4 of Spire’s CP Program borrowings was used to support lending to the Utilities.

 

 

Spire
(Parent Only)

 

Spire
Missouri

 

 

Spire
Alabama

 

 

Spire

 

 

 

CP

 

DDTL

 

 

Spire

 

 

Spire

 

 

Consol-

 

 

 

Program

 

Agreement

 

 

Note

 

 

Note

 

 

idated

 

Six Months Ended March 31, 2026

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Highest borrowings outstanding

 

$

1,399.2

 

$

800.0

 

 

$

594.7

 

 

$

174.6

 

 

$

1,955.0

 

Lowest borrowings outstanding

 

 

 

 

 

 

 

299.9

 

 

 

69.5

 

 

 

 

Weighted average borrowings

 

 

677.7

 

 

4.4

 

 

 

441.8

 

 

 

136.4

 

 

 

682.1

 

Weighted average interest rate

 

 

4.1

%

 

4.1

%

 

 

4.1

%

 

 

4.1

%

 

 

4.1

%

As of March 31, 2026

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

1,155.0

 

$

800.0

 

 

$

381.1

 

 

$

149.8

 

 

$

1,955.0

 

Weighted average interest rate

 

 

4.2

%

 

4.2

%

 

 

4.2

%

 

 

4.2

%

 

 

4.2

%

As of September 30, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

1,317.0

 

$

 

 

$

566.3

 

 

$

130.1

 

 

$

1,317.0

 

Weighted average interest rate

 

 

4.4

%

n/a

 

 

 

4.4

%

 

 

4.4

%

 

 

4.4

%

As of March 31, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

1,015.0

 

$

 

 

$

461.3

 

 

$

41.8

 

 

$

1,015.0

 

Weighted average interest rate

 

 

4.3

%

n/a

 

 

 

4.7

%

 

 

4.7

%

 

 

4.3

%

Summary of Capitalized Interest

Interest expense shown on the statements of income is net of the capitalized interest amounts shown in the following table.

 

 

Three Months Ended
March 31,

 

 

Six Months Ended
 March 31,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Spire

 

$

3.4

 

 

$

6.3

 

 

$

6.7

 

 

$

12.6

 

Spire Missouri

 

 

1.4

 

 

 

1.2

 

 

 

2.8

 

 

 

2.4

 

Spire Alabama

 

 

2.0

 

 

 

1.0

 

 

 

3.7

 

 

 

1.8