What is the current annual long term debt of ALE?

As of today, ALE annual long term debt is $1.71B

What is 1-year change in ALE annual long term debt?

ALE annual long term debt is up +1.45% year-over-year

What is 3-year change in ALE annual long term debt?

ALE annual long term debt is down -3.54% over the past 3 years

How far is ALE annual long term debt from its all-time high?

ALE annual long term debt vs all-time high is unknown

When is ALE next annual earnings release?

The next annual earnings release for ALE is on February 19, 2026

What is the current quarterly long term debt of ALE?

As of today, ALE quarterly long term debt is $2.10B

What is ALE quarterly long term debt most recent change?

ALE quarterly long term debt was up +8.65% on September 30, 2025

What is 1-year change in ALE quarterly long term debt?

ALE quarterly long term debt is up +19.76% year-over-year

How far is ALE quarterly long term debt from its all-time high?

ALE quarterly long term debt vs all-time high is unknown

When is ALE next earnings release?

The next earnings release for ALE is on February 19, 2026

ALLETE, Inc. (ALE) Long Term Debt History & Chart Since 1980

Annual Long Term Debt

$1.71B$24.40M+1.45%

December 31, 2024

Summary

Current Value: As of today, ALE annual long term debt is $1.71B, up +1.45% on December 31, 2024
Historical Performance: ALE annual long term debt is down -3.54% over the past 3 years, and up +20.33% over the past 5 years
All-Time High Comparison: ALE annual long term debt vs all-time high is unknown
3-Year Low Comparison: ALE annual long term debt vs 3-year low value is unknown

Long Term Debt Chart

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Performance

ALE Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Long Term Debt	Dec 31, 24	$1.71B	+1.4%	-3.5%	+20.3%	+146.1%
Quarterly Long Term Debt	Sep 30, 25	$2.10B	+19.8%	+26.2%	+29.1%	+167.7%
Price	Dec 12, 25	$67.90	+3.4%	+7.5%	+3.3%	+82.3%
Annual Short Term Debt	Dec 31, 24	$98.30M	-14.1%	-55.1%	-55.3%	+1284.5%
Annual Total Debt	Dec 31, 24	$1.81B	+0.5%	-9.2%	+10.2%	+157.6%
Annual Long Term Liabilities	Dec 31, 24	$1.88B	-0.4%	-1.3%	-0.6%	+201.5%
Annual Total Liabilities	Dec 31, 24	$4.00B	+1.1%	-5.4%	+4.5%	+175.2%
Annual Debt To Equity	Dec 31, 24	0.64	0.0%	-22.9%	-13.5%	-15.8%

Long Term Debt Highs

ALE Annual Long Term Debt Highs Comparison
Period	High	Date	Current
3Y	$1.71B	Dec 31, 24	N/A
5Y	$1.77B	Dec 31, 21	N/A
All	$1.77B	Dec 31, 21	N/A

Long Term Debt Lows

ALE Annual Long Term Debt Lows Comparison
Period	Low	Date	Current
3Y	$1.66B	N/A	N/A
5Y	$1.61B	N/A	N/A
All	$359.80M	Dec 31, 06	N/A

Long Term Debt History

Year	Value	Change
2024	$1.71B	+1.4%
2023	$1.69B	+1.8%
2022	$1.66B	-6.6%
2021	$1.77B	+10.3%
2020	$1.61B	+13.1%
2019	$1.42B	-0.4%
2018	$1.43B	-0.7%
2017	$1.44B	+5.0%
2016	$1.37B	-12.0%
2015	$1.56B	+22.3%
2014	$1.27B	+17.5%
2013	$1.08B	+16.0%
2012	$933.60M	+8.8%
2011	$857.90M	+11.2%
2010	$771.60M	+10.9%
2009	$695.80M	+18.3%
2008	$588.30M	+43.2%
2007	$410.90M	+14.2%
2006	$359.80M	-7.2%
2005	$387.80M	-0.6%
2004	$390.20M	-47.8%
2003	$747.70M	+1.5%
2002	$736.30M	-27.0%

Year	Value	Change
2001	$1.01B	+5.9%
2000	$952.30M	+33.6%
1999	$712.80M	+6.0%
1998	$672.20M	-1.9%
1997	$685.40M	-1.3%
1996	$694.42M	+8.6%
1995	$639.55M	+6.4%
1994	$601.32M	+0.9%
1993	$596.14M	+10.0%
1992	$541.96M	+1.5%
1991	$533.99M	+2.6%
1990	$520.28M	+0.6%
1989	$517.08M	+1.6%
1988	$508.96M	+4.1%
1987	$488.98M	+6.1%
1986	$461.04M	+0.5%
1985	$458.59M	+0.5%
1984	$456.30M	+13.2%
1983	$402.94M	-0.0%
1982	$403.05M	+6.3%
1981	$379.00M	-3.2%
1980	$391.67M	-

FAQ

What is the current annual long term debt of ALE?
As of today, ALE annual long term debt is $1.71B
What is 1-year change in ALE annual long term debt?
ALE annual long term debt is up +1.45% year-over-year
What is 3-year change in ALE annual long term debt?
ALE annual long term debt is down -3.54% over the past 3 years
How far is ALE annual long term debt from its all-time high?
ALE annual long term debt vs all-time high is unknown
When is ALE next annual earnings release?
The next annual earnings release for ALE is on February 19, 2026

Quarterly Long Term Debt

$2.10B$167.10M+8.65%

September 30, 2025

Summary

Current Value: As of today, ALE quarterly long term debt is $2.10B, up +8.65% on September 30, 2025
Historical Performance: ALE quarterly long term debt is up +19.76% year-over-year, and up +26.21% over the past 3 years
All-Time High Comparison: ALE quarterly long term debt vs all-time high is unknown
3-Year Low Comparison: ALE quarterly long term debt vs 3-year low value is unknown

Performance

ALE Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Long Term Debt	Sep 30, 25	$2.10B	+8.7%	+19.8%	+26.2%	+29.1%
Annual Long Term Debt	Dec 31, 24	$1.71B	–	+1.4%	-3.5%	+20.3%
Price	Dec 12, 25	$67.90	+0.8%	+3.4%	+7.5%	+3.3%
Quarterly Short Term Debt	Sep 30, 25	$138.10M	+117.1%	+202.8%	-55.8%	-66.4%
Quarterly Total Debt	Sep 30, 25	$2.24B	+12.1%	+24.4%	+13.3%	+9.8%
Quarterly Long Term Liabilities	Sep 30, 25	$1.30B	+1.6%	+3.1%	+14.3%	+10.2%
Quarterly Total Liabilities	Sep 30, 25	$3.81B	+7.4%	+13.9%	+8.7%	+11.0%
Quarterly Debt To Equity	Sep 30, 25	0.78	+11.4%	+21.9%	+5.4%	-12.4%

Quarterly Long Term Debt Highs

ALE Quarterly Long Term Debt Highs Comparison
Period	High	Date	Current
1Y	$2.10B	Sep 30, 25	N/A
3Y	$2.10B	Sep 30, 25	N/A
5Y	$2.10B	Sep 30, 25	N/A
All	$2.10B	Sep 30, 25	N/A

Quarterly Long Term Debt Lows

ALE Quarterly Long Term Debt Lows Comparison
Period	Low	Date	Current
1Y	$1.71B	N/A	N/A
3Y	$1.66B	N/A	N/A
5Y	$1.61B	Jun 30, 22	N/A
All	$326.90M	Jun 30, 06	N/A

Quarterly Long Term Debt History

Month	Value	Change
Sep 2025	$2.10B	+8.6%
Jun 2025	$1.93B	+5.4%
Mar 2025	$1.83B	+7.1%
Dec 2024	$1.71B	-2.3%
Sep 2024	$1.75B	-0.2%
Jun 2024	$1.76B	-1.5%
Mar 2024	$1.78B	+5.6%
Dec 2023	$1.69B	-0.4%
Sep 2023	$1.69B	+0.0%
Jun 2023	$1.69B	-4.0%
Mar 2023	$1.76B	+6.4%
Dec 2022	$1.66B	-0.3%
Sep 2022	$1.66B	+3.5%
Jun 2022	$1.61B	-4.4%
Mar 2022	$1.68B	-5.3%
Dec 2021	$1.77B	+6.8%
Sep 2021	$1.66B	-0.9%
Jun 2021	$1.68B	+0.7%
Mar 2021	$1.67B	+3.6%
Dec 2020	$1.61B	-1.0%
Sep 2020	$1.63B	+16.1%
Jun 2020	$1.40B	-1.4%
Mar 2020	$1.42B	-0.2%
Dec 2019	$1.42B	-0.4%
Sep 2019	$1.43B	-6.6%
Jun 2019	$1.53B	-1.3%
Mar 2019	$1.55B	+8.5%
Dec 2018	$1.43B	-2.3%
Sep 2018	$1.46B	-0.0%
Jun 2018	$1.46B	+4.7%
Mar 2018	$1.40B	-3.0%
Dec 2017	$1.44B	-0.4%
Sep 2017	$1.44B	+3.1%
Jun 2017	$1.40B	+2.3%
Mar 2017	$1.37B	-0.0%
Dec 2016	$1.37B	+0.8%
Sep 2016	$1.36B	-9.3%
Jun 2016	$1.50B	-3.4%
Mar 2016	$1.55B	-1.1%
Dec 2015	$1.57B	+1.3%
Sep 2015	$1.55B	+21.7%
Jun 2015	$1.27B	+1.5%
Mar 2015	$1.25B	-1.5%
Dec 2014	$1.27B	-1.3%
Sep 2014	$1.29B	-2.1%
Jun 2014	$1.32B	+9.5%
Mar 2014	$1.20B	+11.0%
Dec 2013	$1.08B	+1.8%
Sep 2013	$1.06B	-0.0%
Jun 2013	$1.06B	+9.2%
Mar 2013	$975.10M	+4.4%
Dec 2012	$933.60M	-1.5%
Sep 2012	$947.60M	+17.2%
Jun 2012	$808.40M	-5.6%
Mar 2012	$856.50M	-0.2%
Dec 2011	$857.90M	+1.6%
Sep 2011	$844.40M	+9.6%
Jun 2011	$770.70M	-0.0%
Mar 2011	$771.00M	-0.1%
Dec 2010	$771.60M	-1.6%
Sep 2010	$784.20M	+10.5%
Jun 2010	$709.60M	-0.1%
Mar 2010	$710.10M	+2.1%
Dec 2009	$695.80M	+10.7%

Month	Value	Change
Sep 2009	$628.40M	+0.2%
Jun 2009	$627.20M	+0.0%
Mar 2009	$627.10M	+6.6%
Dec 2008	$588.30M	+9.5%
Sep 2008	$537.20M	-0.2%
Jun 2008	$538.50M	+14.5%
Mar 2008	$470.30M	+14.5%
Dec 2007	$410.90M	+0.5%
Sep 2007	$409.00M	-0.0%
Jun 2007	$409.20M	+13.9%
Mar 2007	$359.30M	-0.1%
Dec 2006	$359.80M	-6.6%
Sep 2006	$385.20M	+17.8%
Jun 2006	$326.90M	-0.1%
Mar 2006	$327.30M	-15.6%
Dec 2005	$387.80M	-0.3%
Sep 2005	$389.00M	-0.1%
Jun 2005	$389.30M	-0.1%
Mar 2005	$389.60M	-0.2%
Dec 2004	$390.20M	+0.2%
Sep 2004	$389.50M	-50.8%
Jun 2004	$790.90M	+5.7%
Mar 2004	$747.90M	+0.0%
Dec 2003	$747.70M	-13.4%
Sep 2003	$863.10M	+4.2%
Jun 2003	$828.20M	+11.1%
Mar 2003	$745.20M	+1.2%
Dec 2002	$736.30M	-25.7%
Sep 2002	$990.50M	-2.0%
Jun 2002	$1.01B	+0.3%
Mar 2002	$1.01B	-0.2%
Dec 2001	$1.01B	-11.6%
Sep 2001	$1.14B	-0.2%
Jun 2001	$1.14B	-0.1%
Mar 2001	$1.14B	+20.2%
Dec 2000	$952.30M	+34.3%
Sep 2000	$709.20M	-1.5%
Jun 2000	$720.10M	+1.6%
Mar 2000	$708.90M	-0.5%
Dec 1999	$712.80M	-0.3%
Sep 1999	$714.60M	+3.0%
Jun 1999	$693.70M	+3.2%
Mar 1999	$672.10M	-0.0%
Dec 1998	$672.20M	-0.9%
Sep 1998	$678.20M	-0.5%
Jun 1998	$681.90M	-0.5%
Mar 1998	$685.20M	-0.0%
Dec 1997	$685.40M	+2.7%
Sep 1997	$667.20M	-0.6%
Jun 1997	$671.30M	-1.8%
Mar 1997	$683.80M	-1.5%
Dec 1996	$694.40M	+8.7%
Sep 1996	$638.80M	-2.2%
Jun 1996	$653.00M	+13.3%
Mar 1996	$576.40M	-9.9%
Dec 1995	$639.50M	+2.7%
Sep 1995	$622.40M	+9.4%
Jun 1995	$568.70M	-5.3%
Mar 1995	$600.60M	-0.1%
Dec 1994	$601.30M	-3.5%
Sep 1994	$622.80M	+0.1%
Jun 1994	$622.40M	+1.9%
Mar 1994	$610.70M	-

FAQ

What is the current quarterly long term debt of ALE?
As of today, ALE quarterly long term debt is $2.10B
What is ALE quarterly long term debt most recent change?
ALE quarterly long term debt was up +8.65% on September 30, 2025
What is 1-year change in ALE quarterly long term debt?
ALE quarterly long term debt is up +19.76% year-over-year
How far is ALE quarterly long term debt from its all-time high?
ALE quarterly long term debt vs all-time high is unknown
When is ALE next earnings release?
The next earnings release for ALE is on February 19, 2026

Long Term Debt Formula

Long-Term Debt = Bonds Payable + Long-Term Loans + Mortgage Payable + Other Long-Term Borrowings − Current Portion of Long-Term Debt

Data Sources & References

ALE Official Website www.allete.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/66756/000006675625000088/0000066756-25-000088-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/66756/000006675625000013/0000066756-25-000013-index.htm
ALE Profile on Yahoo Finance finance.yahoo.com/quote/ALE
ALE Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ale