v3.25.2
Financing (Tables)
9 Months Ended
Jun. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Short-Term Debt

 

 

Spire
(Parent Only)

 

 

Spire
Missouri

 

 

Spire
Alabama

 

 

Spire

 

 

 

CP

 

 

Term

 

 

Spire

 

 

Spire

 

 

Consol-

 

 

 

Program

 

 

Loan

 

 

Note

 

 

Note

 

 

idated

 

Nine Months Ended June 30, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Highest borrowings outstanding

 

$

1,223.0

 

 

$

 

 

$

615.0

 

 

$

73.2

 

 

$

1,223.0

 

Lowest borrowings outstanding

 

 

896.0

 

 

 

 

 

 

299.5

 

 

 

1.2

 

 

 

896.0

 

Weighted average borrowings

 

 

1,058.7

 

 

 

 

 

 

485.9

 

 

 

42.1

 

 

 

1,058.7

 

Weighted average interest rate

 

 

4.5

%

 

 

0.0

%

 

 

4.8

%

 

 

4.8

%

 

 

4.5

%

As of June 30, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

1,009.5

 

 

$

 

 

$

398.7

 

 

$

56.4

 

 

$

1,009.5

 

Weighted average interest rate

 

 

4.3

%

 

 

0.0

%

 

 

4.7

%

 

 

4.7

%

 

 

4.3

%

As of September 30, 2024

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

947.0

 

 

$

 

 

$

495.3

 

 

$

48.4

 

 

$

947.0

 

Weighted average interest rate

 

 

5.2

%

 

 

0.0

%

 

 

5.2

%

 

 

5.2

%

 

 

5.2

%

As of June 30, 2024

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

771.0

 

 

$

 

 

$

418.3

 

 

$

23.0

 

 

$

771.0

 

Weighted average interest rate

 

 

5.6

%

 

 

0.0

%

 

 

5.6

%

 

 

5.6

%

 

 

5.6

%

Summary of Capitalized Interest

 

 

Three Months Ended
June 30,

 

 

Nine Months Ended
 June 30,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Spire

 

$

3.8

 

 

$

4.3

 

 

$

16.4

 

 

$

12.1

 

Spire Missouri

 

 

1.0

 

 

 

1.2

 

 

 

3.4

 

 

 

3.5

 

Spire Alabama

 

 

1.2

 

 

 

0.3

 

 

 

3.0

 

 

 

1.1