AltaGas (TSX:ALA) Tax Provision: C$-192 Mil (TTM As of Mar. 2026)

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TSX:ALA AltaGas Ltd TSX:ALA
74 GF Score
Price C$56.98
GF Value C$32.94
Valuation Significantly Overvalued
! 15 Warning Signs
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What is AltaGas Tax Provision?

AltaGas TSX:ALA +1.35% 74 Tax Provision is C$-192 Mil as of Mar. 2026. GuruFocus rates TSX:ALA with a GF Score™ of 74/100 and a GF Value™ of C$32.94 (Significantly Overvalued). The stock has 15 warning signs investors should review.

AltaGas's tax provision for the three months ended in Mar. 2026 was C$-55 Mil. Its tax provision for the trailing twelve months (TTM) ended in Mar. 2026 was C$-192 Mil.

AltaGas Tax Provision Historical Data

* Premium members only.

The historical data trend for AltaGas's Tax Provision can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

AltaGas Tax Provision Chart

AltaGas Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Provision
Get a 7-Day Free Trial Premium Member Only Premium Member Only -106.00 -143.00 -223.00 -138.00 -250.00

AltaGas Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Tax Provision Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -113.00 -44.00 6.00 -99.00 -55.00
TSX:ALA
74GF Score
AltaGas Ltd TSX:ALA
Tax Provision is just one metric. See GF Score™, valuation, warning signs, and more.
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AltaGas Tax Provision Calculation

Tax to be paid.

Tax Provision for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was C$-192 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Provision →
What does a Tax Provision of C$-192 Mil mean?
AltaGas (TSX:ALA) has a Tax Provision of C$-192 Mil as of Mar. 2026. Provision for taxes is the amount of tax the company owes based on pre-tax income. View historical data on AltaGas and its competitors.
Is AltaGas' Tax Provision too high?
AltaGas' current Tax Provision is C$-192 Mil. Overall, AltaGas has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AltaGas' Tax Provision compare to WMB and EPD?
AltaGas' Tax Provision of C$-192 Mil can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Provision for an Oil & Gas company?
A good Tax Provision depends on the Oil & Gas industry context. However, Tax Provision should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Provision mean?
A high Tax Provision can signal that a stock is expensive relative to its fundamentals. Provision for taxes is the amount of tax the company owes based on pre-tax income. View historical data on AltaGas and its competitors. AltaGas's current Tax Provision is C$-192 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AltaGas stock overvalued right now?
Based on GuruFocus' analysis, AltaGas (TSX:ALA) is currently considered Significantly Overvalued. The stock's GF Value™ is C$32.94, compared to a current price of C$56.98 — trading 73% above its estimated fair value. The current Tax Provision is C$-192 Mil. AltaGas' overall GF Score™ is 74/100 with 15 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Provision calculated?
Tax Provision is calculated from a company's financial statements. For AltaGas (TSX:ALA), the current Tax Provision is C$-192 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is AltaGas (TSX:ALA) Overvalued in 2026?

Based on GuruFocus' analysis, AltaGas stock appears to be overvalued. The current stock price of C$56.98 is trading 73% above its estimated GF Value™ of C$32.94. GuruFocus considers AltaGas to be Significantly Overvalued.

Key valuation signals for TSX:ALA:

  • Tax Provision: C$-192 Mil
  • GF Value™: C$32.94 vs. price of C$56.98 (73% above fair value)
  • GF Score™: 74/100 with 15 warning signs

No single metric tells the full story. See the TSX:ALA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

AltaGas Business Description

Industry EnergyOil & Gas
Address 707 - 5th Street SW, Suite 1300, Calgary, AB, CAN, T2P 1V8
AltaGas Ltd is a North American energy infrastructure company that connects customers and markets to energy sources. AltaGas has three reporting segments: Utilities, Midstream, and Corporate/Other. The majority of its revenue is generated from the Midstream segment, which operates a North American energy platform that moves natural gas and LPGs from the wellhead to markets. It exports propane and butane to Asia through its LPG terminals, and runs natural gas gathering, processing, fractionation, liquids handling, and storage infrastructure. The segment also includes its natural gas and natural gas liquids (NGLs) marketing business, domestic logistics, trucking and rail terminals, and liquid and natural gas storage capability. Geographically, the firm derives its key revenue from the U.S.
74GF Score

Get the complete analysis for TSX:ALA

Tax Provision is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

C$56.98
Price
C$32.94
GF Value