v3.26.1
Financing (Tables)
9 Months Ended
Jun. 30, 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 June 30, 2026, $652.1 of Spire’s CP Program borrowings were 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

 

Nine Months Ended June 30, 2026

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Highest borrowings outstanding

 

$

1,399.2

 

$

800.0

 

 

$

594.7

 

 

$

174.6

 

 

$

2,019.0

 

Lowest borrowings outstanding

 

 

 

 

 

 

 

299.9

 

 

 

69.5

 

 

 

 

Weighted average borrowings

 

 

850.4

 

 

219.4

 

 

 

426.3

 

 

 

138.9

 

 

 

1,069.9

 

Weighted average interest rate

 

 

4.1

%

 

4.6

%

 

 

4.1

%

 

 

4.1

%

 

 

4.2

%

As of June 30, 2026

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

1,263.5

 

$

 

 

$

443.5

 

 

$

168.2

 

 

$

1,263.5

 

Weighted average interest rate

 

 

4.1

%

 

0.0

%

 

 

4.1

%

 

 

4.1

%

 

 

4.1

%

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 June 30, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Borrowings outstanding

 

$

1,009.5

 

$

 

 

$

398.7

 

 

$

56.4

 

 

$

1,009.5

 

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
June 30,

 

 

Nine Months Ended
 June 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Spire

 

$

3.9

 

 

$

3.8

 

 

$

10.6

 

 

$

16.4

 

Spire Missouri

 

 

1.6

 

 

 

1.0

 

 

 

4.4

 

 

 

3.4

 

Spire Alabama

 

 

2.0

 

 

 

1.2

 

 

 

5.7

 

 

 

3.0