股本结构
单位：万股
| 公告日期 | 2026-05-06 | 2026-03-31 | 2026-02-27 | 2026-02-27 | 2025-11-06 | 2025-08-01 |
|---|---|---|---|---|---|---|
| 证券总股本 | 29780.00 | 29729.46 | 29680.00 | 29671.75 | 29670.00 | 29640.00 |
| 普通股本 | 29780.00 | 29729.46 | 29680.00 | 29671.75 | 29670.00 | 29640.00 |
| 优先股 | 未披露 | 3900.00 | 3860.00 | 3860.00 | 3900.00 | 未披露 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2026-05-05 | 2026-03-12 | 2026-02-26 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
历史变动
| 公告日期 | 变动后普通股本（万股） | 变动后优先股（万股） | 变动原因 | 变动日期 |
|---|---|---|---|---|
| 2026-05-06 | 29780.00 | 未披露 | 定期报告 | 2026-05-05 |
| 2026-03-31 | 29729.46 | 3900.00 | 定期报告 | 2026-03-12 |
| 2026-02-27 | 29680.00 | 3860.00 | 定期报告 | 2026-02-26 |
| 2026-02-27 | 29671.75 | 3860.00 |
更多>>
From December 31, 2024 to December 31, 2025
Shares purchased under NCIB
Share-based payment plans and stock options exercised
|
2025-12-31 |
| 2025-11-06 | 29670.00 | 3900.00 | 定期报告 | 2025-09-30 |
| 2025-08-01 | 29640.00 | 未披露 | 定期报告 | 2025-06-30 |
| 2025-05-28 | 29644.98 | 未披露 | 定期报告 | 2025-05-20 |
| 2025-05-07 | 29640.00 | 3900.00 | 定期报告 | 2025-05-06 |
| 2025-05-07 | 29810.00 | 3900.00 | 定期报告 | 2025-03-31 |
| 2025-03-25 | 29790.03 | 未披露 | 定期报告 | 2025-03-07 |
| 2025-02-20 | 29760.00 | 3900.00 | 定期报告 | 2025-02-19 |
| 2025-02-20 | 29748.37 | 3860.00 |
更多>>
From December 31, 2023 to December 31, 2024
Reversal of provision for repurchase of common shares under ASPP
Purchased and cancelled under the NCIB
Share-based payment plans
Stock options exercised
|
2024-12-31 |
| 2024-11-05 | 29850.00 | 3860.00 |
更多>>
From September 30, 2023 to September 30, 2024
Reversal (provision) for repurchase of common shares under ASPP
Purchased and cancelled under the NCIB
Share-based payment plans
Stock options exercised
|
2024-09-30 |
| 2024-08-01 | 29850.00 | 3900.00 | 定期报告 | 2024-07-31 |
| 2024-08-01 | 29810.00 | 3900.00 | 定期报告 | 2024-06-30 |
| 2024-05-03 | 30410.00 | 3900.00 | 定期报告 | 2024-05-02 |
| 2024-05-03 | 30650.00 | 3900.00 | 定期报告 | 2024-03-31 |
| 2024-03-20 | 30752.23 | 3900.00 | 定期报告 | 2024-03-15 |
| 2024-02-23 | 30710.00 | 3900.00 | 定期报告 | 2024-02-22 |
| 2024-02-23 | 30693.40 | 3900.00 |
更多>>
From September 30, 2023 to December 31, 2023
Shares purchased under normal course issuer bid ("NCIB")
Changes in non-controlling interests in TransAlta Renewables
Provision for repurchase of shares under the automatic share purchase plan
Share-based payment plans and stock options exercised
|
2023-12-31 |
| 2023-11-07 | 30990.00 | 3900.00 | 定期报告 | 2023-11-06 |
| 2023-08-04 | 26340.00 | 3900.00 | 定期报告 | 2023-08-03 |
| 2023-07-18 | 26337.66 | 3900.00 | 定期报告 | 2023-07-10 |
| 2023-08-04 | 26340.00 | 未披露 | 定期报告 | 2023-06-30 |
| 2023-05-05 | 26310.00 | 未披露 | 定期报告 | 2023-05-04 |
| 2023-05-05 | 26600.00 | 3860.00 | 定期报告 | 2023-03-31 |
| 2023-03-24 | 26738.41 | 3900.00 | 定期报告 | 2023-03-17 |
| 2023-02-23 | 26829.09 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Shares purchased under NCIB
Effect of share-based payment plans
|
2022-12-31 |
| 2022-11-08 | 26940.00 | 3860.00 |
更多>>
From February 31,2021 to September 30,2022
Purchased and cancelled under the NCIB
Effects of share-based payment plans
Stock options exercised
|
2022-09-30 |
| 2022-08-05 | 27070.00 | 3860.00 |
更多>>
From December 31, 2021 to June 30, 2022
Shares purchased under normal course issuer bid ("NCIB") program
Effect of share-based payment plans
|
2022-06-30 |
| 2022-05-24 | 27068.75 | 未披露 | 定期报告 | 2022-05-17 |
| 2022-05-06 | 27060.00 | 3860.00 | 定期报告 | 2022-03-31 |
| 2022-03-24 | 27167.85 | 3860.00 | 定期报告 | 2022-03-18 |
| 2022-02-24 | 27103.49 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Stock options exercised
|
2021-12-31 |
| 2021-11-09 | 27100.00 | 3860.00 | 定期报告 | 2021-09-30 |
| 2021-08-10 | 27100.00 | 3900.00 |
更多>>
From December 31, 2020 to June 30, 2021
Stock options exercised
|
2021-06-30 |
| 2021-05-26 | 26988.31 | 未披露 | 定期报告 | 2021-05-18 |
| 2021-05-13 | 26990.00 | 3900.00 |
更多>>
From December 31, 2020 to March 31, 2021
Stock options exercised
|
2021-03-31 |
| 2021-03-29 | 26988.31 | 3900.00 | 定期报告 | 2021-03-24 |
| 2021-03-03 | 27024.47 | 3860.00 |
更多>>
From December 31,2019 to December 31,2020
Shares purchased under NCIB
Effect of share-based payment plans
|
2020-12-31 |
| 2020-07-31 | 27420.00 | 3860.00 |
更多>>
from December 31, 2019 to June 30, 2020
Purchased and cancelled under the NCIB
|
2020-06-30 |
| 2020-05-26 | 27577.87 | 未披露 | 定期报告 | 2020-05-26 |
| 2020-05-12 | 27570.00 | 3860.00 |
更多>>
from December 31, 2019 to March 31, 2020
Purchased and cancelled under the NCIB
|
2020-03-31 |
| 2020-03-04 | 27707.57 | 3860.00 | 定期报告 | 2020-03-03 |
| 2020-03-04 | 27726.56 | 3860.00 |
更多>>
from December 31, 2018 to December 31, 2019
Purchased and cancelled under the NCIB
Stock options exercised
|
2019-12-31 |
| 2019-08-09 | 28230.00 | 3860.00 |
更多>>
From December 31, 2018 to June 30, 2019
Shares purchased and retired under NCIB
Stock options exercised
|
2019-06-30 |
| 2019-05-28 | 28469.75 | 未披露 | 定期报告 | 2019-05-28 |
| 2019-05-14 | 28460.00 | 3860.00 | 定期报告 | 2019-03-31 |
| 2019-02-27 | 28463.90 | 3860.00 | 定期报告 | 2019-02-26 |
| 2019-02-27 | 28484.30 | 3860.00 |
更多>>
From December 31, 2017 to December 31, 2018
Shares purchased under NCIB
|
2018-12-31 |
| 2018-10-31 | 28600.00 | 3860.00 |
更多>>
From December 31, 2017 to September 30, 2018
Shares purchased and retired under NCIB
|
2018-09-30 |
| 2018-08-03 | 28730.00 | 3860.00 |
更多>>
from December 31, 2017 to June 30, 2018
Shares purchased and retired under NCIB
|
2018-06-30 |
| 2018-05-08 | 28750.00 | 3860.00 | 定期报告 | 2018-05-07 |
| 2018-05-08 | 28790.00 | 3860.00 | 定期报告 | 2018-03-31 |
| 2018-03-02 | 28790.35 | 3860.00 | 定期报告 | 2018-03-01 |
| 2017-08-10 | 28790.00 | 3860.00 | 定期报告 | 2017-06-30 |
| 2017-01-18 | 28790.35 | 3860.00 | 定期报告 | 2017-01-17 |
| 2016-05-04 | 28790.00 | 3860.00 |
更多>>
From December 31, 2015 to March 31, 2016
Issued under the dividend reinvestment and optional common share purchase plan
|
2016-03-31 |
| 2016-02-18 | 28790.35 | 3860.00 | 定期报告 | 2016-02-17 |
| 2016-02-18 | 28405.72 | 3860.00 |
更多>>
from December 31, 2014 to December 31, 2015
Issued under the dividend reinvestment and share purchase plan
|
2015-12-31 |
| 2015-11-02 | 28410.00 | 3860.00 | 定期报告 | 2015-10-29 |
| 2015-11-02 | 28060.00 | 3860.00 |
更多>>
from December 31, 2014 to July 28, 2015
Issued under the dividend reinvestment and optional common share purchase plan
|
2015-07-28 |
| 2015-07-30 | 27870.00 | 3860.00 |
更多>>
from December 31, 2014 to April 27, 2015
Common shares issued
|
2015-04-27 |
| 2015-04-28 | 27700.00 | 3860.00 |
更多>>
from December 31, 2014 to March 31,2015
Issued under the dividend reinvestment and share purchase plan
|
2015-03-31 |
| 2015-02-19 | 27699.03 | 3860.00 | 定期报告 | 2015-02-18 |
| 2015-02-19 | 27507.03 | 3860.00 |
更多>>
from December 31, 2013 to December 4, 2014
Issued under the dividend reinvestment and share purchase plan
|
2014-12-04 |
| 2014-10-31 | 27510.00 | 3860.00 | 定期报告 | 2014-10-29 |
| 2014-10-31 | 27340.00 | 3860.00 |
更多>>
from December 30,2013 to September 30,2014
Issued under the dividend reinvestment and optional common share purchase plan
|
2014-09-30 |
| 2014-07-30 | 27180.00 | 3200.00 |
更多>>
from June 30,2013 to June 30,2014
common share purchase plan
|
2014-06-30 |
| 2014-04-30 | 27030.00 | 3200.00 | 定期报告 | 2014-03-31 |
| 2014-02-20 | 27036.31 | 3200.00 | 定期报告 | 2014-02-19 |
| 2014-02-20 | 26824.09 | 3200.00 |
更多>>
from Dec. 31, 2012 to Dec. 31, 2013
Common shares issued
|
2013-12-31 |
| 2013-10-31 | 26630.00 | 3200.00 |
更多>>
from December 31, 2012 to July 29, 2013
Common shares issued
|
2013-07-29 |
| 2013-07-30 | 26210.00 | 3200.00 |
更多>>
from December 31, 2012 to June 30, 2013
Common shares issued
|
2013-06-30 |
| 2013-02-27 | 25465.31 | 3200.00 |
更多>>
from Dec. 31, 2011 to Dec. 31, 2012
Common shares issued
Preferred shares issued
|
2012-12-31 |
| 2012-11-27 | 25465.26 | 3200.00 | 定期报告 | 2012-11-26 |
| 2012-10-29 | 25110.00 | 3200.00 |
更多>>
from Dec. 31, 2011 to Sept. 30, 2012
Common shares issued
Preferred shares issued
|
2012-09-30 |
| 2012-03-02 | 22467.67 | 2300.00 | 定期报告 | 2012-02-29 |
| 2012-03-02 | 22360.00 | 2300.00 |
更多>>
from Dec. 31, 2010 to Dec. 31, 2011
Common shares issued
Preferred shares issued
|
2011-12-31 |
| 2011-10-28 | 22360.00 | 1200.00 | 定期报告 | 2011-10-27 |
| 2011-07-28 | 22290.00 | 1200.00 | 定期报告 | 2011-07-27 |
| 2011-07-28 | 22200.00 | 1200.00 | 定期报告 | 2011-06-30 |
| 2011-04-26 | 22120.00 | 未披露 | 定期报告 | 2011-03-31 |
| 2011-02-24 | 22034.37 | 未披露 |
更多>>
from dec 31 2009 to dec 31 2010
Issued under dividend reinvestment and share purchase plan
Issued under stock option plans
Issued under Performance Share Ownership Plan
|
2010-12-31 |
| 2010-10-29 | 21950.00 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-07-29 | 21880.00 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-04-27 | 21860.00 | 未披露 | 定期报告 | 2010-03-31 |
| 2010-02-24 | 21840.00 | 未披露 |
更多>>
from Dec. 31, 2008 to Dec. 31, 2009
Issued under Performance Share Ownership Plan
Issued, net of tax
|
2009-12-31 |
| 2009-03-16 | 19760.00 | 未披露 |
更多>>
from December 31,2007 to December 31,2008
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
Shares purchased under NCIB
|
2008-12-31 |
| 2008-03-17 | 20090.00 | 未披露 |
更多>>
from December 31,2006 to December 31,2007
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
Shares purchased under NCIB
|
2007-12-31 |
| 2007-03-16 | 20240.00 | 未披露 |
更多>>
from December 31,2005 to December 31,2006
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
|
2006-12-31 |
| 2006-03-24 | 19870.00 | 未披露 |
更多>>
from December 31,2004 to December 31,2005
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
|
2005-12-31 |
| 2005-04-01 | 19410.00 | 未披露 |
更多>>
from December 31,2003 to December 31,2004
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Repurchased by the corporation
|
2004-12-31 |
| 2004-04-01 | 19070.00 | 未披露 |
更多>>
from December 31, 2002 to December 31,2003
Issued as public offering
Issued under dividend reinvestment and share purchase plan
Issued on purchase of Vision Quest
Issued for cash under stock option plans
Share Ownership Plan
|
2003-12-31 |
| 2003-04-03 | 16980.00 | 未披露 |
更多>>
from December. 31,2001 to December. 31,2002
Repurchased by the corporation
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
Issued on purchase of Vision Quest
|
2002-12-31 |
From December 31, 2024 to December 31, 2025
Shares purchased under NCIB
Share-based payment plans and stock options exercised
From December 31, 2023 to December 31, 2024
Reversal of provision for repurchase of common shares under ASPP
Purchased and cancelled under the NCIB
Share-based payment plans
Stock options exercised
From September 30, 2023 to September 30, 2024
Reversal (provision) for repurchase of common shares under ASPP
Purchased and cancelled under the NCIB
Share-based payment plans
Stock options exercised
From September 30, 2023 to December 31, 2023
Shares purchased under normal course issuer bid ("NCIB")
Changes in non-controlling interests in TransAlta Renewables
Provision for repurchase of shares under the automatic share purchase plan
Share-based payment plans and stock options exercised
From December 31, 2021 to December 31, 2022
Shares purchased under NCIB
Effect of share-based payment plans
From February 31,2021 to September 30,2022
Purchased and cancelled under the NCIB
Effects of share-based payment plans
Stock options exercised
From December 31, 2021 to June 30, 2022
Shares purchased under normal course issuer bid ("NCIB") program
Effect of share-based payment plans
From December 31, 2020 to December 31, 2021
Stock options exercised
From December 31, 2020 to June 30, 2021
Stock options exercised
From December 31, 2020 to March 31, 2021
Stock options exercised
From December 31,2019 to December 31,2020
Shares purchased under NCIB
Effect of share-based payment plans
from December 31, 2019 to June 30, 2020
Purchased and cancelled under the NCIB
from December 31, 2019 to March 31, 2020
Purchased and cancelled under the NCIB
from December 31, 2018 to December 31, 2019
Purchased and cancelled under the NCIB
Stock options exercised
From December 31, 2018 to June 30, 2019
Shares purchased and retired under NCIB
Stock options exercised
From December 31, 2017 to December 31, 2018
Shares purchased under NCIB
From December 31, 2017 to September 30, 2018
Shares purchased and retired under NCIB
from December 31, 2017 to June 30, 2018
Shares purchased and retired under NCIB
From December 31, 2015 to March 31, 2016
Issued under the dividend reinvestment and optional common share purchase plan
from December 31, 2014 to December 31, 2015
Issued under the dividend reinvestment and share purchase plan
from December 31, 2014 to July 28, 2015
Issued under the dividend reinvestment and optional common share purchase plan
from December 31, 2014 to April 27, 2015
Common shares issued
from December 31, 2014 to March 31,2015
Issued under the dividend reinvestment and share purchase plan
from December 31, 2013 to December 4, 2014
Issued under the dividend reinvestment and share purchase plan
from December 30,2013 to September 30,2014
Issued under the dividend reinvestment and optional common share purchase plan
from June 30,2013 to June 30,2014
common share purchase plan
from Dec. 31, 2012 to Dec. 31, 2013
Common shares issued
from December 31, 2012 to July 29, 2013
Common shares issued
from December 31, 2012 to June 30, 2013
Common shares issued
from Dec. 31, 2011 to Dec. 31, 2012
Common shares issued
Preferred shares issued
from Dec. 31, 2011 to Sept. 30, 2012
Common shares issued
Preferred shares issued
from Dec. 31, 2010 to Dec. 31, 2011
Common shares issued
Preferred shares issued
from dec 31 2009 to dec 31 2010
Issued under dividend reinvestment and share purchase plan
Issued under stock option plans
Issued under Performance Share Ownership Plan
from Dec. 31, 2008 to Dec. 31, 2009
Issued under Performance Share Ownership Plan
Issued, net of tax
from December 31,2007 to December 31,2008
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
Shares purchased under NCIB
from December 31,2006 to December 31,2007
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
Shares purchased under NCIB
from December 31,2005 to December 31,2006
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
from December 31,2004 to December 31,2005
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
from December 31,2003 to December 31,2004
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Repurchased by the corporation
from December 31, 2002 to December 31,2003
Issued as public offering
Issued under dividend reinvestment and share purchase plan
Issued on purchase of Vision Quest
Issued for cash under stock option plans
Share Ownership Plan
from December. 31,2001 to December. 31,2002
Repurchased by the corporation
Issued under dividend reinvestment and share purchase plan
Issued for cash under stock option plans
Issued under Performance Share Ownership Plan
Issued on purchase of Vision Quest