What is the current annual D&A of ALE?

As of today, ALE annual D&A is $278.20M

What is 1-year change in ALE annual D&A?

ALE annual D&A is up +7.50% year-over-year

What is 3-year change in ALE annual D&A?

ALE annual D&A is up +15.20% over the past 3 years

How far is ALE annual D&A from its all-time high?

ALE annual D&A 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 D&A of ALE?

As of today, ALE quarterly D&A is $74.00M

What is ALE quarterly D&A most recent change?

ALE quarterly D&A was down -1.20% on September 30, 2025

What is 1-year change in ALE quarterly D&A?

ALE quarterly D&A is up +1.79% year-over-year

How far is ALE quarterly D&A from its all-time high?

ALE quarterly D&A vs all-time high is unknown

When is ALE next earnings release?

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

What is the current TTM D&A of ALE?

As of today, ALE TTM D&A is $291.60M

What is ALE TTM D&A most recent change?

ALE TTM D&A was up +0.45% on September 30, 2025

What is 1-year change in ALE TTM D&A?

ALE TTM D&A is up +7.13% year-over-year

How far is ALE TTM D&A from its all-time high?

ALE TTM D&A 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) Depreciation And Amortization History & Chart

Annual D&A

$278.20M$19.40M+7.50%

December 31, 2024

Summary

Current Value: As of today, ALE annual D&A is $278.20M, up +7.50% on December 31, 2024
Historical Performance: ALE annual D&A is up +15.20% over the past 3 years, and up +30.24% over the past 5 years
All-Time High Comparison: ALE annual D&A vs all-time high is unknown
3-Year Low Comparison: ALE annual D&A vs 3-year low value is unknown

Depreciation & Amortization Chart

Add series to chart

Add series to chart1/6

Company, ETF, index, screener or watchlist

Series

Performance

ALE Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual D&A	Dec 31, 24	$278.20M	+7.5%	+15.2%	+30.2%	+330.0%
Quarterly D&A	Sep 30, 25	$74.00M	+1.8%	+22.1%	+30.5%	+270.0%
TTM D&A	Sep 30, 25	$291.60M	+7.1%	+17.4%	+30.6%	+275.3%
Price	Dec 12, 25	$67.90	+3.4%	+7.5%	+3.3%	+82.3%
Annual SG&A	Dec 31, 24	$0.00	0.0%	0.0%	0.0%	0.0%
Annual Total Expenses	Dec 31, 24	$1.35B	-17.3%	+8.0%	+28.0%	+93.5%
Annual Operating Expenses	Dec 31, 24	$65.40M	+14.3%	-7.2%	+22.7%	+100.0%
Annual Revenue	Dec 31, 24	$1.53B	-18.6%	+7.8%	+23.3%	+101.5%

Depreciation & Amortization Highs

ALE Annual D&A Highs Comparison
Period	High	Date	Current
3Y	$278.20M	Dec 31, 24	N/A
5Y	$278.20M	Dec 31, 24	N/A
All	$278.20M	Dec 31, 24	N/A

Depreciation & Amortization Lows

ALE Annual D&A Lows Comparison
Period	Low	Date	Current
3Y	$250.30M	N/A	N/A
5Y	$228.10M	N/A	N/A
All	$22.57M	Dec 1, 80	N/A

Depreciation & Amortization History

Year	Value	Change
2024	$278.20M	+7.5%
2023	$258.80M	+3.4%
2022	$250.30M	+3.6%
2021	$241.50M	+5.9%
2020	$228.10M	+6.8%
2019	$213.60M	+1.5%
2018	$210.50M	+15.6%
2017	$182.10M	-9.4%
2016	$200.90M	+17.1%
2015	$171.50M	+26.4%
2014	$135.70M	+16.4%
2013	$116.60M	+16.4%
2012	$100.20M	+10.8%
2011	$90.40M	+12.3%
2010	$80.50M	+24.4%
2009	$64.70M	+16.6%
2008	$55.50M	+14.4%
2007	$48.50M	-0.4%
2006	$48.70M	+1.9%
2005	$47.80M	-3.8%
2004	$49.70M	-42.7%
2003	$86.70M	+5.6%
2002	$82.10M	-19.2%

Year	Value	Change
2001	$101.60M	+17.2%
2000	$86.70M	+12.7%
1999	$76.90M	+2.5%
1998	$75.00M	+5.9%
1997	$70.80M	+8.8%
1996	$65.09M	+9.3%
1995	$59.55M	+10.0%
1994	$54.16M	-12.6%
1993	$61.97M	+58.6%
1992	$39.07M	+5.1%
1991	$37.16M	+4.1%
1990	$35.70M	-2.4%
1989	$36.56M	-9.1%
1988	$40.23M	+3.9%
1987	$38.73M	+2.9%
1986	$37.66M	+0.9%
1985	$37.31M	+10.1%
1984	$33.89M	+8.4%
1983	$31.27M	+14.2%
1982	$27.38M	-10.1%
1981	$30.47M	+35.0%
1980	$22.57M	-

FAQ

What is the current annual D&A of ALE?
As of today, ALE annual D&A is $278.20M
What is 1-year change in ALE annual D&A?
ALE annual D&A is up +7.50% year-over-year
What is 3-year change in ALE annual D&A?
ALE annual D&A is up +15.20% over the past 3 years
How far is ALE annual D&A from its all-time high?
ALE annual D&A 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 D&A

$74.00M$900.00K-1.20%

September 30, 2025

Summary

Current Value: As of today, ALE quarterly D&A is $74.00M, down -1.20% on September 30, 2025
Historical Performance: ALE quarterly D&A is up +1.79% year-over-year, and up +22.11% over the past 3 years
All-Time High Comparison: ALE quarterly D&A vs all-time high is unknown
3-Year Low Comparison: ALE quarterly D&A vs 3-year low value is unknown

Performance

ALE Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly D&A	Sep 30, 25	$74.00M	-1.2%	+1.8%	+22.1%	+30.5%
Annual D&A	Dec 31, 24	$278.20M	–	+7.5%	+15.2%	+30.2%
TTM D&A	Sep 30, 25	$291.60M	+0.5%	+7.1%	+17.4%	+30.6%
Price	Dec 12, 25	$67.90	+0.8%	+3.4%	+7.5%	+3.3%
Quarterly SG&A	Sep 30, 25	$0.00	0.0%	0.0%	0.0%	0.0%
Quarterly Total Expenses	Sep 30, 25	$347.90M	+5.9%	-4.0%	-1.9%	+37.4%
Quarterly Operating Expenses	Sep 30, 25	$16.60M	+6.4%	+8.5%	-10.3%	+24.8%
Quarterly Revenue	Sep 30, 25	$375.00M	+4.1%	-7.9%	-3.4%	+27.6%

Quarterly D&A Highs

ALE Quarterly D&A Highs Comparison
Period	High	Date	Current
1Y	$74.90M	Jun 30, 25	N/A
3Y	$74.90M	Jun 30, 25	N/A
5Y	$74.90M	Jun 30, 25	N/A
All	$74.90M	Jun 30, 25	N/A

Quarterly D&A Lows

ALE Quarterly D&A Lows Comparison
Period	Low	Date	Current
1Y	$71.30M	N/A	N/A
3Y	$62.70M	N/A	N/A
5Y	$58.30M	N/A	N/A
All	-$5.80M	Sep 30, 04	N/A

Quarterly D&A History

Month	Value	Change
Sep 2025	$74.00M	-1.2%
Jun 2025	$74.90M	+4.9%
Mar 2025	$71.40M	+0.1%
Dec 2024	$71.30M	-1.9%
Sep 2024	$72.70M	+7.5%
Jun 2024	$67.60M	+1.5%
Mar 2024	$66.60M	+2.0%
Dec 2023	$65.30M	+0.5%
Sep 2023	$65.00M	+1.1%
Jun 2023	$64.30M	+0.2%
Mar 2023	$64.20M	+2.4%
Dec 2022	$62.70M	+3.5%
Sep 2022	$60.60M	-4.1%
Jun 2022	$63.20M	-0.9%
Mar 2022	$63.80M	+5.1%
Dec 2021	$60.70M	+1.3%
Sep 2021	$59.90M	-0.8%
Jun 2021	$60.40M	-0.2%
Mar 2021	$60.50M	+3.8%
Dec 2020	$58.30M	+2.8%
Sep 2020	$56.70M	-0.7%
Jun 2020	$57.10M	+2.0%
Mar 2020	$56.00M	+4.9%
Dec 2019	$53.40M	-5.0%
Sep 2019	$56.20M	+9.3%
Jun 2019	$51.40M	-2.3%
Mar 2019	$52.60M	-1.5%
Dec 2018	$53.40M	+0.9%
Sep 2018	$52.90M	-7.0%
Jun 2018	$56.90M	+20.3%
Mar 2018	$47.30M	+74.5%
Dec 2017	$27.10M	-47.7%
Sep 2017	$51.80M	-1.7%
Jun 2017	$52.70M	+4.4%
Mar 2017	$50.50M	-8.5%
Dec 2016	$55.20M	+12.9%
Sep 2016	$48.90M	+0.4%
Jun 2016	$48.70M	+1.2%
Mar 2016	$48.10M	+0.2%
Dec 2015	$48.00M	+11.1%
Sep 2015	$43.20M	+4.6%
Jun 2015	$41.30M	+5.9%
Mar 2015	$39.00M	+7.7%
Dec 2014	$36.20M	+8.1%
Sep 2014	$33.50M	-0.9%
Jun 2014	$33.80M	+5.0%
Mar 2014	$32.20M	+6.3%
Dec 2013	$30.30M	+3.1%
Sep 2013	$29.40M	+2.4%
Jun 2013	$28.70M	+1.8%
Mar 2013	$28.20M	+9.3%
Dec 2012	$25.80M	+3.2%
Sep 2012	$25.00M	+0.8%
Jun 2012	$24.80M	+0.8%
Mar 2012	$24.60M	+5.6%
Dec 2011	$23.30M	+2.6%

Month	Value	Change
Sep 2011	$22.70M	+2.7%
Jun 2011	$22.10M	-0.9%
Mar 2011	$22.30M	+7.7%
Dec 2010	$20.70M	+3.5%
Sep 2010	$20.00M	+1.0%
Jun 2010	$19.80M	-1.0%
Mar 2010	$20.00M	+11.7%
Dec 2009	$17.90M	+11.2%
Sep 2009	$16.10M	+5.2%
Jun 2009	$15.30M	-0.6%
Mar 2009	$15.40M	-6.1%
Dec 2008	$16.40M	+21.5%
Sep 2008	$13.50M	+4.7%
Jun 2008	$12.90M	+1.6%
Mar 2008	$12.70M	0.0%
Dec 2007	$12.70M	+4.1%
Sep 2007	$12.20M	+2.5%
Jun 2007	$11.90M	+1.7%
Mar 2007	$11.70M	-3.3%
Dec 2006	$12.10M	-0.8%
Sep 2006	$12.20M	0.0%
Jun 2006	$12.20M	0.0%
Mar 2006	$12.20M	+24.5%
Dec 2005	$9.80M	-22.8%
Sep 2005	$12.70M	-5.2%
Jun 2005	$13.40M	+12.6%
Mar 2005	$11.90M	-4.8%
Dec 2004	$12.50M	+315.5%
Sep 2004	-$5.80M	-127.2%
Jun 2004	$21.30M	-1.8%
Mar 2004	$21.70M	-3.6%
Dec 2003	$22.50M	+5.6%
Sep 2003	$21.30M	-3.2%
Jun 2003	$22.00M	+5.3%
Mar 2003	$20.90M	-5.9%
Dec 2002	$22.20M	+11.0%
Sep 2002	$20.00M	0.0%
Jun 2002	$20.00M	+0.5%
Mar 2002	$19.90M	-20.4%
Dec 2001	$25.00M	-2.7%
Sep 2001	$25.70M	+0.8%
Jun 2001	$25.50M	+0.4%
Mar 2001	$25.40M	+8.1%
Dec 2000	$23.50M	+7.8%
Sep 2000	$21.80M	+3.3%
Jun 2000	$21.10M	+3.9%
Mar 2000	$20.30M	+4.1%
Dec 1999	$19.50M	-0.5%
Sep 1999	$19.60M	+1.0%
Jun 1999	$19.40M	+5.4%
Mar 1999	$18.40M	-3.2%
Dec 1998	$19.00M	+1.1%
Sep 1998	$18.80M	+0.5%
Jun 1998	$18.70M	+1.1%
Mar 1998	$18.50M	-

FAQ

What is the current quarterly D&A of ALE?
As of today, ALE quarterly D&A is $74.00M
What is ALE quarterly D&A most recent change?
ALE quarterly D&A was down -1.20% on September 30, 2025
What is 1-year change in ALE quarterly D&A?
ALE quarterly D&A is up +1.79% year-over-year
How far is ALE quarterly D&A from its all-time high?
ALE quarterly D&A vs all-time high is unknown
When is ALE next earnings release?
The next earnings release for ALE is on February 19, 2026

TTM D&A

$291.60M$1.30M+0.45%

September 30, 2025

Summary

Current Value: As of today, ALE TTM D&A is $291.60M, up +0.45% on September 30, 2025
Historical Performance: ALE TTM D&A is up +7.13% year-over-year, and up +17.44% over the past 3 years
All-Time High Comparison: ALE TTM D&A vs all-time high is unknown
3-Year Low Comparison: ALE TTM D&A vs 3-year low value is unknown

Performance

ALE Performance
Metric	Date	Value	3M	1Y	3Y	5Y
TTM D&A	Sep 30, 25	$291.60M	+0.5%	+7.1%	+17.4%	+30.6%
Annual D&A	Dec 31, 24	$278.20M	–	+7.5%	+15.2%	+30.2%
Quarterly D&A	Sep 30, 25	$74.00M	-1.2%	+1.8%	+22.1%	+30.5%
Price	Dec 12, 25	$67.90	+0.8%	+3.4%	+7.5%	+3.3%
TTM SG&A	Sep 30, 25	$4.18B	+100.0%	+100.0%	+100.0%	+100.0%
TTM Revenue	Sep 30, 25	$1.50B	-2.1%	-4.3%	-2.8%	+30.1%

TTM D&A Highs

ALE TTM D&A Highs Comparison
Period	High	Date	Current
1Y	$291.60M	Sep 30, 25	N/A
3Y	$291.60M	Sep 30, 25	N/A
5Y	$291.60M	Sep 30, 25	N/A
All	$291.60M	Sep 30, 25	N/A

TTM D&A Lows

ALE TTM D&A Lows Comparison
Period	Low	Date	Current
1Y	$278.20M	N/A	N/A
3Y	$250.30M	N/A	N/A
5Y	$228.10M	N/A	N/A
All	$18.50M	Mar 31, 98	N/A

TTM D&A History

Month	Value	Change
Sep 2025	$291.60M	+0.4%
Jun 2025	$290.30M	+2.6%
Mar 2025	$283.00M	+1.7%
Dec 2024	$278.20M	+2.2%
Sep 2024	$272.20M	+2.9%
Jun 2024	$264.50M	+1.3%
Mar 2024	$261.20M	+0.9%
Dec 2023	$258.80M	+1.0%
Sep 2023	$256.20M	+1.7%
Jun 2023	$251.80M	+0.4%
Mar 2023	$250.70M	+0.2%
Dec 2022	$250.30M	+0.8%
Sep 2022	$248.30M	+0.3%
Jun 2022	$247.60M	+1.1%
Mar 2022	$244.80M	+1.4%
Dec 2021	$241.50M	+1.0%
Sep 2021	$239.10M	+1.4%
Jun 2021	$235.90M	+1.4%
Mar 2021	$232.60M	+2.0%
Dec 2020	$228.10M	+2.2%
Sep 2020	$223.20M	+0.2%
Jun 2020	$222.70M	+2.6%
Mar 2020	$217.00M	+1.6%
Dec 2019	$213.60M	0.0%
Sep 2019	$213.60M	+1.6%
Jun 2019	$210.30M	-2.5%
Mar 2019	$215.80M	+2.5%
Dec 2018	$210.50M	+14.3%
Sep 2018	$184.20M	+0.6%
Jun 2018	$183.10M	+2.3%
Mar 2018	$178.90M	-1.8%
Dec 2017	$182.10M	-13.4%
Sep 2017	$210.20M	+1.4%
Jun 2017	$207.30M	+2.0%
Mar 2017	$203.30M	+1.2%
Dec 2016	$200.90M	+3.7%
Sep 2016	$193.70M	+3.0%
Jun 2016	$188.00M	+4.1%
Mar 2016	$180.60M	+5.3%
Dec 2015	$171.50M	+7.4%
Sep 2015	$159.70M	+6.5%
Jun 2015	$150.00M	+5.3%
Mar 2015	$142.50M	+5.0%
Dec 2014	$135.70M	+4.5%
Sep 2014	$129.80M	+3.3%
Jun 2014	$125.70M	+4.2%
Mar 2014	$120.60M	+3.4%
Dec 2013	$116.60M	+4.0%
Sep 2013	$112.10M	+4.1%
Jun 2013	$107.70M	+3.8%
Mar 2013	$103.80M	+3.6%
Dec 2012	$100.20M	+2.6%
Sep 2012	$97.70M	+2.4%
Jun 2012	$95.40M	+2.9%
Mar 2012	$92.70M	+2.5%
Dec 2011	$90.40M	+3.0%

Month	Value	Change
Sep 2011	$87.80M	+3.2%
Jun 2011	$85.10M	+2.8%
Mar 2011	$82.80M	+2.9%
Dec 2010	$80.50M	+3.6%
Sep 2010	$77.70M	+5.3%
Jun 2010	$73.80M	+6.5%
Mar 2010	$69.30M	+7.1%
Dec 2009	$64.70M	+2.4%
Sep 2009	$63.20M	+4.3%
Jun 2009	$60.60M	+4.1%
Mar 2009	$58.20M	+4.9%
Dec 2008	$55.50M	+7.1%
Sep 2008	$51.80M	+2.6%
Jun 2008	$50.50M	+2.0%
Mar 2008	$49.50M	+2.1%
Dec 2007	$48.50M	+1.3%
Sep 2007	$47.90M	0.0%
Jun 2007	$47.90M	-0.6%
Mar 2007	$48.20M	-1.0%
Dec 2006	$48.70M	+5.0%
Sep 2006	$46.40M	-1.1%
Jun 2006	$46.90M	-2.5%
Mar 2006	$48.10M	+0.6%
Dec 2005	$47.80M	-5.3%
Sep 2005	$50.50M	+57.8%
Jun 2005	$32.00M	-19.8%
Mar 2005	$39.90M	-19.7%
Dec 2004	$49.70M	-16.8%
Sep 2004	$59.70M	-31.2%
Jun 2004	$86.80M	-0.8%
Mar 2004	$87.50M	+0.9%
Dec 2003	$86.70M	+0.3%
Sep 2003	$86.40M	+1.5%
Jun 2003	$85.10M	+2.4%
Mar 2003	$83.10M	+1.2%
Dec 2002	$82.10M	-3.3%
Sep 2002	$84.90M	-6.3%
Jun 2002	$90.60M	-5.7%
Mar 2002	$96.10M	-5.4%
Dec 2001	$101.60M	+1.5%
Sep 2001	$100.10M	+4.1%
Jun 2001	$96.20M	+4.8%
Mar 2001	$91.80M	+5.9%
Dec 2000	$86.70M	+4.8%
Sep 2000	$82.70M	+2.7%
Jun 2000	$80.50M	+2.2%
Mar 2000	$78.80M	+2.5%
Dec 1999	$76.90M	+0.7%
Sep 1999	$76.40M	+1.1%
Jun 1999	$75.60M	+0.9%
Mar 1999	$74.90M	-0.1%
Dec 1998	$75.00M	+33.9%
Sep 1998	$56.00M	+50.5%
Jun 1998	$37.20M	+101.1%
Mar 1998	$18.50M	-

FAQ

What is the current TTM D&A of ALE?
As of today, ALE TTM D&A is $291.60M
What is ALE TTM D&A most recent change?
ALE TTM D&A was up +0.45% on September 30, 2025
What is 1-year change in ALE TTM D&A?
ALE TTM D&A is up +7.13% year-over-year
How far is ALE TTM D&A from its all-time high?
ALE TTM D&A vs all-time high is unknown
When is ALE next earnings release?
The next earnings release for ALE is on February 19, 2026

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