Otter Tail Corporation (OTTR)

Nasdaq Utilities Electric Utilities S&P SmallCap 600

$78.44

-1.56 (-1.95%)

Close of Nov 06, 2026 · end-of-day data

Source: Otter Tail Corporation's 10-K / 10-Q XBRL data on SEC EDGAR · fetched Nov 05, 2026

Revenue, net income & free cash flow

Income statement

fiscal years · USD

Fiscal year	FY2016	FY2017	FY2018	FY2019	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Revenue	$803.54M	$849.35M	$916.45M	$918.47M	$883.17M	$1.20B	$1.46B	$1.35B	$1.33B	$1.30B
Cost of revenue	—	—	—	$355.12M	$329.26M	$488.37M	$542.94M	$454.12M	$434.52M	$402.66M
Gross profit	—	—	—	$563.35M	$553.91M	$709.26M	$917.26M	$895.04M	$896.03M	$901.39M
Selling, general & admin	—	—	—	—	—	$65.39M	$69.72M	$72.66M	$80.06M	$82.57M
Operating income	$116.63M	$132.29M	$129.39M	$134.88M	$147.89M	$249.71M	$390.44M	$377.92M	$380.25M	$345.68M
Interest expense	—	—	—	—	$34.45M	$37.77M	$36.02M	$37.68M	$41.81M	$47.23M
Pre-tax income	$82.54M	$99.69M	$96.93M	$104.29M	$116.06M	$212.82M	—	—	—	—
Income tax	$20.22M	$27.26M	$14.59M	$17.44M	$20.21M	$36.05M	$73.35M	$69.30M	$65.23M	$46.38M
Net income	$62.32M	$72.44M	$82.34M	$86.85M	$95.85M	$176.77M	$284.18M	$294.19M	$301.66M	$275.89M
EBITDA	$190.08M	$204.83M	$204.06M	$212.97M	$229.92M	$341.07M	$483.04M	$475.87M	$487.37M	$463.79M
EPS (basic)	$1.62	$1.84	$2.08	$2.19	$2.35	$4.26	$6.83	$7.06	$7.22	$6.59
EPS (diluted)	$1.61	$1.82	$2.06	$2.17	$2.34	$4.23	$6.78	$7.00	$7.17	$6.55
Diluted shares	38.73M	39.75M	39.89M	39.95M	40.91M	41.82M	41.93M	42.04M	42.07M	42.12M
Gross margin	—	—	—	61.3%	62.7%	59.2%	62.8%	66.3%	67.3%	69.1%
Operating margin	14.5%	15.6%	14.1%	14.7%	16.7%	20.9%	26.7%	28.0%	28.6%	26.5%
Net margin	7.8%	8.5%	9.0%	9.5%	10.9%	14.8%	19.5%	21.8%	22.7%	21.2%

Balance sheet

fiscal years · USD

Fiscal year	FY2016	FY2017	FY2018	FY2019	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Cash & equivalents	$0	$16.22M	$861.00K	$21.20M	$1.16M	$1.54M	$119.00M	$230.37M	$294.65M	$386.19M
Short-term investments	—	—	—	—	—	—	—	$0	$753.00K	$54.31M
Receivables	$68.24M	$68.47M	$75.14M	$77.95M	—	—	—	—	—	—
Inventory	$83.74M	$88.03M	$106.27M	$97.85M	$92.17M	$148.49M	$145.95M	$149.70M	$148.88M	$158.60M
Total current assets	$208.01M	$239.13M	$241.42M	$254.86M	$234.83M	$369.35M	$452.75M	$570.17M	$630.04M	$799.73M
Goodwill	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M
Total assets	$1.91B	$2.00B	$2.05B	$2.27B	$2.58B	$2.75B	$2.90B	$3.24B	$3.65B	$3.96B
Total current liabilities	$215.67M	$256.65M	$170.09M	$189.74M	$436.79M	$387.70M	$237.64M	$309.76M	$309.79M	$350.96M
Short-term debt	$33.20M	$186.00K	$172.00K	$183.00K	$140.09M	$29.98M	$0	$0	$0	$79.95M
Long-term debt	$505.34M	$490.38M	$590.00M	$689.58M	$624.43M	$734.01M	$823.82M	$824.06M	$943.73M	$963.57M
Total debt	$538.54M	$490.57M	$590.17M	$689.76M	$764.52M	$764.00M	$823.82M	$824.06M	$943.73M	$1.04B
Total liabilities	$1.24B	$1.31B	$1.32B	$1.49B	$1.71B	$1.76B	$1.68B	$1.80B	$1.98B	$2.10B
Shareholders' equity	$670.10M	$696.89M	$728.86M	$781.48M	$870.97M	$990.78M	$1.22B	$1.44B	$1.67B	$1.86B

Cash flow

fiscal years · USD

Fiscal year	FY2016	FY2017	FY2018	FY2019	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Operating cash flow	$163.39M	$173.58M	$143.45M	$185.04M	$211.92M	$231.24M	$389.31M	$404.50M	$452.73M	$385.99M
Capital expenditures	$161.26M	$132.91M	$105.42M	$207.37M	$371.55M	$171.83M	$171.13M	$287.13M	$358.65M	$288.07M
Free cash flow	$2.13M	$40.66M	$38.02M	-$22.33M	-$159.63M	$59.41M	$218.18M	$117.36M	$94.08M	$97.92M
Investing cash flow	-$159.32M	-$132.59M	-$107.42M	-$209.47M	-$375.65M	-$171.51M	-$175.07M	-$289.29M	-$411.37M	-$290.72M
Financing cash flow	-$4.06M	-$24.77M	-$51.38M	$44.77M	$143.69M	-$59.36M	-$96.78M	-$3.83M	$22.92M	-$3.72M
Dividends paid	—	$50.63M	$53.20M	$55.72M	$60.31M	$64.86M	$68.75M	$73.06M	$78.27M	$88.06M
Share buybacks	$104.00K	$1.80M	$3.01M	$2.73M	$2.07M	—	—	—	—	—
Stock-based compensation	$3.18M	$3.64M	$4.44M	$5.96M	$6.28M	$6.91M	$6.81M	$7.75M	$9.53M	$9.12M
Depreciation & amortization	$73.44M	$72.55M	$74.67M	$78.09M	$82.04M	$91.36M	$92.60M	$97.95M	$107.12M	$118.11M

Income statement

quarters · USD

Quarter ended	Dec 2023	Mar 2024	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026	Sep 2026
Revenue	$314.31M	$347.07M	$342.34M	$338.03M	$303.11M	$337.35M	$333.04M	$325.56M	$308.10M	$347.03M	$334.38M	$320.51M
Cost of revenue	$102.79M	$114.72M	$116.80M	$111.44M	$91.56M	$104.39M	$105.97M	$101.20M	$91.11M	$107.54M	$118.41M	$119.47M
Gross profit	$211.52M	$232.34M	$225.54M	$226.59M	$211.55M	$232.97M	$227.08M	$224.37M	$216.99M	$239.49M	$215.97M	$201.05M
Selling, general & admin	$21.23M	$18.91M	$18.15M	$18.83M	$24.17M	$21.29M	$17.35M	$17.79M	$26.13M	$21.77M	$22.17M	$20.07M
Operating income	$70.08M	$94.97M	$110.91M	$107.54M	$66.82M	$84.00M	$97.46M	$96.61M	$67.62M	$85.24M	-$24.20M	$68.90M
Interest expense	$9.39M	$9.85M	$10.20M	$11.17M	$10.59M	$11.55M	$11.72M	$11.79M	$12.16M	$12.64M	$12.89M	$13.14M
Income tax	$11.21M	$17.81M	$20.59M	$18.68M	$8.15M	$10.09M	$13.65M	$12.82M	$9.83M	$4.88M	-$21.16M	$4.50M
Net income	$57.77M	$74.34M	$87.00M	$85.48M	$54.85M	$68.10M	$77.73M	$78.29M	$51.77M	$72.61M	-$7.61M	$59.46M
EBITDA	$95.40M	$120.87M	$137.54M	$134.59M	$94.37M	$113.37M	$126.91M	$126.16M	$97.35M	$115.22M	$6.61M	$99.50M
EPS (basic)	$1.39	$1.78	$2.08	$2.04	$1.31	$1.63	$1.86	$1.87	$1.24	$1.73	$-0.18	$1.42
EPS (diluted)	$1.37	$1.77	$2.07	$2.03	$1.30	$1.62	$1.85	$1.86	$1.23	$1.73	$-0.18	$1.41
Diluted shares	11.00K	42.03M	42.07M	42.08M	4.00K	42.06M	42.12M	42.14M	11.00K	42.07M	41.95M	42.17M
Gross margin	67.3%	66.9%	65.9%	67.0%	69.8%	69.1%	68.2%	68.9%	70.4%	69.0%	64.6%	62.7%
Operating margin	22.3%	27.4%	32.4%	31.8%	22.0%	24.9%	29.3%	29.7%	21.9%	24.6%	-7.2%	21.5%
Net margin	18.4%	21.4%	25.4%	25.3%	18.1%	20.2%	23.3%	24.0%	16.8%	20.9%	-2.3%	18.6%

Balance sheet

quarters · USD

Quarter ended	Dec 2023	Mar 2024	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026	Sep 2026
Cash & equivalents	$230.37M	$238.16M	$230.67M	$280.02M	$294.65M	$284.81M	$307.24M	$325.79M	$386.19M	$348.35M	$278.38M	$205.83M
Short-term investments	$0	$467.00K	$1.06M	$616.00K	$753.00K	—	—	$53.88M	$54.31M	$54.89M	$55.32M	$1.21M
Inventory	$149.70M	$148.19M	$161.79M	$153.23M	$148.88M	$147.69M	$151.56M	$155.76M	$158.60M	$157.06M	$169.98M	$178.15M
Total current assets	$570.17M	$607.94M	$614.13M	$650.31M	$630.04M	$651.27M	$674.41M	$737.24M	$799.73M	$798.96M	$837.35M	$751.67M
Goodwill	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M	$37.57M
Total assets	$3.24B	$3.33B	$3.46B	$3.57B	$3.65B	$3.70B	$3.77B	$3.84B	$3.96B	$4.15B	$4.29B	$4.36B
Total current liabilities	$309.76M	$208.47M	$270.95M	$299.59M	$309.79M	$248.42M	$203.48M	$206.36M	$350.96M	$391.88M	$490.57M	$547.43M
Short-term debt	$0	$0	$12.81M	$67.40M	$0	$58.85M	$0	$0	$79.95M	$79.96M	$79.98M	$121.97M
Long-term debt	$824.06M	$943.54M	$943.59M	$943.66M	$943.73M	$993.51M	$1.04B	$1.04B	$963.57M	$1.06B	$1.13B	$1.09B
Total debt	$824.06M	$943.54M	$956.40M	$1.01B	$943.73M	$1.05B	$1.04B	$1.04B	$1.04B	$1.14B	$1.21B	$1.21B
Total liabilities	$1.80B	$1.83B	$1.90B	$1.93B	$1.98B	$1.98B	$1.99B	$2.01B	$2.10B	$2.25B	$2.42B	$2.45B
Shareholders' equity	$1.44B	$1.50B	$1.57B	$1.63B	$1.67B	$1.72B	$1.77B	$1.83B	$1.86B	$1.91B	$1.88B	$1.91B

Cash flow

quarters · USD

Quarter ended	Dec 2023	Mar 2024	Jun 2024	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026	Sep 2026
Operating cash flow	$86.00M	$71.91M	$151.55M	$99.31M	$129.96M	$39.47M	$119.91M	$129.57M	$97.04M	$70.61M	$112.10M	$125.18M
Capital expenditures	$57.28M	$74.04M	$101.48M	$84.22M	$98.90M	$58.01M	$66.23M	$89.09M	$74.74M	$185.28M	$139.47M	$126.83M
Free cash flow	$28.72M	-$2.13M	$50.06M	$15.09M	$31.06M	-$18.54M	$53.68M	$40.48M	$22.30M	-$114.67M	-$27.37M	-$1.65M
Investing cash flow	-$57.27M	-$75.88M	-$152.19M	-$84.10M	-$99.21M	-$60.91M	-$66.11M	-$88.99M	-$74.71M	-$187.01M	-$139.60M	-$119.59M
Financing cash flow	$12.42M	$11.75M	-$6.84M	$34.13M	-$16.12M	$11.61M	-$31.37M	-$22.04M	$38.08M	$78.56M	$31.03M	-$48.15M
Dividends paid	$18.27M	$19.55M	$19.57M	$19.57M	$19.57M	$22.00M	$22.02M	$22.02M	$22.02M	$24.25M	$24.27M	$24.27M
Stock-based compensation	$778.00K	$5.51M	$1.31M	$1.26M	$1.45M	$5.76M	$1.64M	$710.00K	$1.01M	$6.38M	$2.15M	$1.21M
Depreciation & amortization	$25.32M	$25.90M	$26.63M	$27.05M	$27.54M	$29.38M	$29.45M	$29.55M	$29.73M	$29.98M	$30.81M	$30.61M

Quarterly figures are rebuilt from the year-to-date totals companies report — Q4 is the full year minus the first nine months, since no 10-Q is filed for it. Values are as filed; later restatements replace earlier ones. Fiscal years are labelled by the calendar year in which they end.