Revenue contracted by 25.3% year-over-year in 2026Q1, while operating margins have compressed to -9.23% due to the combined impact of carbon regulation and thermal asset transition costs.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 |
|---|
| Revenue | 2.21B | 2.4B | 2.85B | 3.35B | 2.98B | 2.72B | 2.1B | 2.35B | 2.25B | 2.31B | 2.4B | 2.27B | 2.62B | 2.29B | 2.26B | 2.66B | 2.82B | 2.77B | 3.11B | 2.77B | 2.8B | 2.84B | 2.84B | 2.51B | 1.72B | 4.93B | 2.8B | 1.03B | 1.66B | 1.69B |
| Revenue Growth % | -16.68% | -15.5% | -15.2% | 12.74% | 9.37% | 29.51% | -10.48% | 4.36% | -2.51% | -3.75% | 5.73% | -13.57% | 14.44% | 1.33% | -15.06% | -5.53% | 1.77% | -10.92% | 12.07% | -0.78% | -1.48% | 0.01% | 13.14% | 45.52% | -65.01% | 75.81% | 172.25% | -37.83% | -1.77% | - |
| Cost of Revenue | 1.32B | 1.62B | 1.05B | 1.17B | 1.34B | 1.23B | 968M | 1.09B | 1.1B | 1.02B | 963M | 1.01B | 1.09B | 926M | 809M | 947M | 1.2B | 1.23B | 1.49B | 1.23B | 1.19B | 1.2B | 1.23B | 1.07B | 703.6M | 1.29B | 1.86B | 205.4M | 366.6M | 351.5M |
| Gross Profit | 889.52M | 784.36M | 1.79B | 2.18B | 1.64B | 1.49B | 1.13B | 1.26B | 1.15B | 1.29B | 1.43B | 1.26B | 1.53B | 1.37B | 1.45B | 1.72B | 1.62B | 1.54B | 1.62B | 1.54B | 1.61B | 1.64B | 1.61B | 1.44B | 1.02B | 3.64B | 944.2M | 824M | 1.29B | 1.33B |
| Gross Margin % | 40.2% | 32.63% | 63.06% | 65.07% | 54.94% | 54.72% | 53.93% | 53.73% | 51.09% | 55.96% | 59.82% | 55.54% | 58.37% | 59.6% | 64.24% | 64.44% | 57.36% | 55.67% | 51.97% | 55.65% | 57.58% | 57.66% | 56.62% | 57.45% | 59.19% | 73.84% | 33.69% | 80.05% | 77.86% | 79.15% |
| Gross Profit Growth % | - | -56.28% | -17.82% | 33.52% | 9.81% | 31.42% | -10.15% | 9.75% | -11% | -9.97% | 13.9% | -17.77% | 12.08% | -5.99% | -15.33% | 6.12% | 4.86% | -4.58% | 4.67% | -4.12% | -1.61% | 1.85% | 11.5% | 41.25% | -71.96% | 285.34% | 14.59% | -36.09% | -3.37% | - |
| Operating Expenses | 946.38M | 1.01B | 1.21B | 1.09B | 1.1B | 1.73B | 1.23B | 926M | 916M | 1.13B | 930M | 1.12B | 1.09B | 1.07B | 1.05B | 1.07B | 1.12B | 1.16B | 1.09B | 1B | 1.45B | 1.2B | 1.13B | 905.3M | 822.7M | 3.26B | 535.3M | 508.7M | 582.6M | 753.3M |
| Other Operating Expenses | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| EBITDA | 522.31M | 413.66M | 1.12B | 1.71B | 1.13B | 480M | 699M | 1.04B | 894M | 869M | 1.16B | 753M | 1.04B | 882M | 606M | 1.19B | 987M | 871M | 981.06M | 956.2M | 594.4M | 842.1M | 889.9M | 914M | 512.4M | 704.8M | 730.6M | 640.8M | 991.5M | 846.8M |
| EBITDA Margin % | 23.6% | 17.21% | 39.23% | 50.97% | 37.97% | 17.64% | 33.27% | 44.48% | 39.75% | 37.67% | 48.44% | 33.22% | 39.53% | 38.48% | 26.79% | 44.84% | 35.01% | 31.44% | 31.55% | 34.46% | 21.26% | 29.67% | 31.35% | 36.43% | 29.72% | 14.3% | 26.07% | 62.25% | 59.88% | 50.23% |
| EBITDA Growth % | -42.54% | -62.93% | -34.74% | 51.33% | 135.42% | -31.33% | -33.05% | 16.78% | 2.88% | -25.15% | 54.18% | -27.39% | 17.57% | 45.54% | -49.25% | 20.97% | 13.32% | -11.22% | 2.6% | 60.87% | -29.41% | -5.37% | -2.64% | 78.38% | -27.3% | -3.53% | 14.01% | -35.37% | 17.09% | - |
| Depreciation & Amortization | 579.17M | 635.48M | 531M | 621M | 599M | 719M | 798M | 709M | 734M | 731M | 683M | 605M | 595M | 585M | 564M | 532M | 490M | 493M | 450.46M | 415.1M | 437.8M | 400.9M | 411.8M | 378.1M | 314.8M | 325.9M | 321.7M | 325.5M | 284.8M | 265.9M |
| D&A / Revenue % | 26.17% | 26.43% | 18.66% | 18.51% | 20.13% | 26.42% | 37.98% | 30.21% | 32.64% | 31.69% | 28.49% | 26.69% | 22.68% | 25.52% | 24.93% | 19.98% | 17.38% | 17.8% | 14.49% | 14.96% | 15.66% | 14.12% | 14.51% | 15.07% | 18.26% | 6.61% | 11.48% | 31.62% | 17.2% | 15.77% |
| Operating Income (EBIT) | -56.86M | -221.82M | 585M | 1.09B | 531M | -239M | -99M | 335M | 160M | 138M | 478M | 148M | 442M | 297M | 42M | 662M | 497M | 378M | 530.6M | 541.1M | 156.6M | 441.2M | 478.1M | 535.9M | 197.6M | 378.9M | 408.9M | 315.3M | 706.7M | 580.9M |
| Operating Margin % | -2.57% | -9.23% | 20.56% | 32.46% | 17.84% | -8.78% | -4.71% | 14.27% | 7.11% | 5.98% | 19.94% | 6.53% | 16.85% | 12.96% | 1.86% | 24.86% | 17.63% | 13.65% | 17.06% | 19.5% | 5.6% | 15.54% | 16.84% | 21.36% | 11.46% | 7.69% | 14.59% | 30.63% | 42.68% | 34.46% |
| Operating Income Growth % | - | -137.92% | -46.28% | 105.08% | 322.18% | -141.41% | -129.55% | 109.38% | 15.94% | -71.13% | 222.97% | -66.52% | 48.82% | 607.14% | -93.66% | 33.2% | 31.48% | -28.76% | -1.94% | 245.53% | -64.51% | -7.72% | -10.79% | 171.2% | -47.85% | -7.34% | 29.69% | -55.38% | 21.66% | - |
| Interest Expense | 4M | 289.76M | 250M | 212M | 212M | 213M | 167.97M | 125.7M | 224M | 175.59M | 243M | 251M | 237M | 256M | 223M | 215M | 178M | 150M | 155.42M | 165M | 181.8M | 197.3M | 232.4M | 183.9M | 82.7M | 88.1M | 91.4M | 0 | 182.4M | 0 |
| Interest Coverage | - | -0.77x | 2.28x | 5.15x | 2.67x | -0.78x | -0.66x | 3.04x | 0.46x | 0.90x | 2.14x | 1.76x | 2.01x | 0.88x | -1.00x | 3.00x | 2.71x | 2.27x | 2.66x | 3.28x | 0.86x | 2.13x | 2.01x | 13.12x | 21.95x | 29.05x | 4.47x | - | 2.20x | - |
| Interest / Revenue % | 0.18% | 12.05% | 8.79% | 6.32% | 7.12% | 7.83% | 7.99% | 5.36% | 9.96% | 7.61% | 10.14% | 11.07% | 9.04% | 11.17% | 9.86% | 8.07% | 6.31% | 5.42% | 5% | 5.95% | 6.5% | 6.95% | 8.19% | 7.33% | 4.8% | 1.79% | 3.26% | 0% | 11.02% | 0% |
| Non-Operating Income | -2M | 1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | 1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | 1000K | -1000K |
| Pretax Income | -166.91M | -140.89M | 319M | 880M | 353M | -380M | -303M | 193M | -96M | -54M | 314M | 221M | 239M | -12M | -443M | 449M | 220M | 196M | 258.62M | 329.2M | -80.9M | 234.2M | 210.7M | 335.6M | 96.1M | 272.5M | 274.9M | 207.7M | 464M | 362.6M |
| Pretax Margin % | -7.54% | -5.86% | 11.21% | 26.23% | 11.86% | -13.97% | -14.42% | 8.22% | -4.27% | -2.34% | 13.1% | 9.75% | 9.11% | -0.52% | -19.58% | 16.86% | 7.8% | 7.08% | 8.32% | 11.86% | -2.89% | 8.25% | 7.42% | 13.38% | 5.57% | 5.53% | 9.81% | 20.18% | 28.02% | 21.51% |
| Income Tax | 16.02M | 16.99M | 80M | 84M | 192M | 45M | -50M | 17M | -6M | 64M | 38M | 105M | 7M | -8M | 103M | 106M | 1M | 15M | 23.07M | 20.4M | -125.8M | 47.4M | 50.1M | 78.4M | 18.1M | 89.9M | 128.5M | 105.5M | 202M | 180M |
| Effective Tax Rate % | -9.6% | -12.06% | 25.08% | 9.55% | 54.39% | -11.84% | 16.5% | 8.81% | 6.25% | -118.52% | 12.1% | 47.51% | 2.93% | 66.67% | -23.25% | 23.61% | 0.45% | 7.65% | 8.92% | 6.2% | 155.5% | 20.24% | 23.78% | 23.36% | 18.83% | 32.99% | 46.74% | 50.79% | 43.53% | 49.64% |
| Net Income | -170.94M | -137.89M | 229M | 695M | 50M | -537M | -287M | 82M | -198M | -160M | 169M | 22M | 182M | -33M | -583M | 305M | 219M | 181M | 235.55M | 308.8M | 44.9M | 198.8M | 170.2M | 257.2M | 210.8M | 227.7M | 292.6M | 191.6M | 211.4M | 182.6M |
| Net Margin % | -7.72% | -5.74% | 8.05% | 20.72% | 1.68% | -19.74% | -13.66% | 3.49% | -8.8% | -6.94% | 7.05% | 0.97% | 6.94% | -1.44% | -25.77% | 11.45% | 7.77% | 6.53% | 7.58% | 11.13% | 1.61% | 7% | 6% | 10.25% | 12.23% | 4.62% | 10.44% | 18.61% | 12.77% | 10.83% |
| Net Income Growth % | -422.52% | -160.21% | -67.05% | 1290% | 109.31% | -87.11% | -450% | 141.41% | -23.75% | -194.67% | 668.18% | -87.91% | 651.52% | 94.34% | -291.15% | 39.27% | 20.99% | -23.16% | -23.72% | 587.75% | -77.41% | 16.8% | -33.83% | 22.01% | -7.42% | -22.18% | 52.71% | -9.37% | 15.77% | - |
| EPS (Diluted) | -0.58 | -0.64 | 0.60 | 2.33 | 0.59 | -1.57 | -0.92 | 0.62 | -0.69 | -0.56 | 0.41 | -0.09 | 0.52 | -0.12 | -2.48 | 1.31 | 1.16 | 0.90 | 1.18 | 1.53 | 0.22 | 0.94 | 0.88 | 1.26 | 1.17 | 1.25 | 1.66 | 0.98 | 1.28 | 1.14 |
| EPS Growth % | -7361% | -206.67% | -74.25% | 294.92% | 137.58% | -70.65% | -248.39% | 189.86% | -23.21% | -236.59% | 555.56% | -117.31% | 533.33% | 95.16% | -289.31% | 12.93% | 28.89% | -23.73% | -22.88% | 595.45% | -76.6% | 6.82% | -30.16% | 7.69% | -6.4% | -24.7% | 69.39% | -23.44% | 12.28% | - |
| EPS (Basic) | - | -0.64 | 0.60 | 2.33 | 0.59 | -1.57 | -0.92 | 0.62 | -0.69 | -0.56 | 0.41 | -0.09 | 0.52 | -0.12 | -2.48 | 1.31 | 1.16 | 0.90 | 1.18 | 1.53 | 0.22 | 0.94 | 0.88 | 1.26 | 1.17 | 1.27 | 1.66 | 1.00 | 1.30 | 1.14 |
| Diluted Shares Outstanding | 297M | 297M | 296M | 276M | 271M | 271M | 275M | 283M | 287M | 288M | 288M | 280M | 273M | 264M | 235M | 222M | 219M | 201M | 199M | 202M | 200.8M | 196.8M | 192.7M | 185.3M | 169.6M | 183.04M | 168.8M | 169.5M | 161.25M | 159.7M |
High exposure to merchant power price volatility and carbon-related cost inflation.
As reported in recent financial statements, TransAlta’s revenue experienced a 25.3% year-over-year decline in 2026Q1, reflecting the company's high sensitivity to fluctuating Alberta pool prices and the ongoing reduction in legacy coal-fired generation volumes that previously anchored the top-line performance.
The revenue trajectory appears heavily dependent on merchant market conditions rather than stable, regulated rate base growth. This reliance suggests that top-line stability remains elusive, as the company lacks the insulation provided by traditional cost-of-service regulatory mechanisms found in more diversified utility models.
Based on the company's reported figures, operating margins have compressed to -9.23% in recent periods, a trend largely driven by the interplay between rising carbon compliance costs under Alberta’s TIER regulation and the inherent inefficiency of transitioning legacy thermal assets to gas-fired generation.
The inability to fully pass through these environmental costs suggests a potential mismatch between regulatory recovery mechanisms and the actual cost of operations. Investors should monitor whether the current margin compression is a temporary byproduct of the energy transition or a structural impairment of the company's competitive position.
According to quarterly filings, TransAlta’s net income has frequently dipped into negative territory, with EPS volatility exacerbated by significant depreciation and amortization charges that appear to reflect the accelerated write-down of coal-related assets rather than core operational performance.
The reported earnings quality appears obscured by these non-cash transition costs, making it difficult to discern the underlying profitability of the renewable and hydro segments. This suggests that headline EPS may not accurately represent the company's long-term cash-generating capacity in a post-coal environment.
Financial data indicates that the company maintains a debt-to-equity ratio of 3.06, suggesting that the capital-intensive pivot toward renewables and gas conversion is being financed primarily through leverage rather than the internal cash flow generation required to sustain long-term growth.
The current CAPEX cycle appears to be a defensive necessity to preserve terminal value rather than an offensive strategy to drive incremental EPS. This capital allocation strategy warrants further investigation into whether the returns on these new assets will eventually exceed the high cost of the debt used to fund them.
Quick answers to the most common questions about buying TAC stock.
For fiscal year 2025, TransAlta Corporation (TAC) reported total revenue of $2.40B. This represents a 42.6% increase compared to $1.69B in 1997.
TransAlta Corporation (TAC) reported a net loss of $137.9M for the fiscal year ending 2025.
TransAlta Corporation (TAC) reported an operating income of $-221.8M, resulting in an operating profit margin of -9.2%. This margin reflects the operational efficiency of the business before interest and taxes.
TransAlta Corporation (TAC) generated $784.4M in gross profit for the year, representing a gross profit margin of 32.6%. This demonstrates the company's core pricing power and production efficiency.