BEP vs TAC: Which Is the Better Buy in 2026?

Last updated September 2026

Short answer

BEP is the larger of the two ($15.21B market cap): the incumbent the market prices for continued execution (-16.73x forward earnings, beta 1.00). TAC is the smaller challenger ($3.72B), priced similarly on forward earnings (29.37x): more room to run, but more to prove. The real question is which set of drivers you believe, and whether owning one (or both) leaves you over-concentrated.

BEP vs TAC: the tie-breaker metrics

Same yardstick, side by side (as of September 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

MetricBEPTACWhat it tells you
Market cap$15.21B$3.72BSize. The larger name is the incumbent; the smaller has more room to grow and more to prove.
Forward P/E-16.7329.37Valuation on next year's expected earnings, the same yardstick for both. Lower is cheaper for that growth; higher means the market is paying up.
Beta1.000.48Volatility vs the market. Above 1 swings harder than the index; below 1 is steadier. Higher beta means bigger drawdowns to hold through.
Price vs 52-week range50% of range6% of rangeWhere today's price sits between the 52-week low and high. Near the high is momentum with less margin of safety; near the low is out of favor or a discount, depending on why.
Price / book2.516.14How much you pay over book value. Very high can signal an asset-light, high-return business or a rich price.

Before you buy: how BEP and TAC affect your concentration

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. BEP and TAC share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined BEP and TAC exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

What does Brookfield Renewable Partners (BEP) do?

Brookfield Renewable Partners (NYSE: BEP) is one of the world's largest pure-play renewable power platforms, operating a diversified fleet of hydroelectric, wind, solar, and battery-storage assets across the Americas, Europe, and Asia. It is managed by parent Brookfield Corporation and sells the electricity it generates under long-term power purchase agreements (PPAs) with utilities and large corporate buyers, with an average remaining contract term around 13 years and roughly 70 percent of revenue linked to inflation. The company grows through a combination of organic development, contract escalation, and acquisitions, recycling capital by selling mature assets to fund new ones.

Full BEP guide

What does TransAlta Corporation (TAC) do?

TransAlta Corporation is one of Canada's largest publicly traded power generators, owning and operating a diversified fleet across Canada, the United States, and Western Australia. Its portfolio spans hydro, wind, solar, battery storage, and natural-gas generation, organized into four generating segments (Hydro, Wind and Solar, Gas, and Energy Transition) plus Energy Marketing and Corporate. Roughly 61 percent of generating capacity sits in Alberta, where much of the fleet is exposed to the merchant market, so results move with Alberta power prices, hedging levels, and plant availability. The company has been reshaping its fleet through moves like the Heartland Generation acquisition (1,747 MW of flexible Alberta capacity), converting Centralia Unit 2 from coal to gas, and a C$95 million Far North acquisition adding 310 MW in Ontario.

Full TAC guide

BEP vs TAC: how do they differ?

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

  • BEP drivers: Contracted, inflation-linked cash flows; Large development pipeline and AI/data-center demand.
  • TAC drivers: Alberta merchant power exposure; Clean-energy and fleet transition.

Which fits which kind of investor

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: As a highly capital-intensive, leveraged asset owner, BEP is sensitive to interest rates and financing costs, which pressure both valuation and the economics of new projects. For TAC, transAlta's biggest risk is its heavy exposure to volatile Alberta merchant power prices, which drove Q1 2026 revenue and EBITDA sharply lower year over year.

BEP or TAC: which should you pick?

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick BEP if you believe its drivers more; TAC if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the BEP and TAC guides.

BEP vs TAC: the full fundamentals

BEP. BEP is generally valued on FFO per unit and distribution yield rather than GAAP earnings, since large non-cash depreciation and mark-to-market items can push reported net income negative even in strong operating quarters. Q1 2026 delivered record FFO of about $375 million (~$0.55 per unit), up roughly 19 percent year over year, alongside a GAAP net loss driven by non-cash items. The units carry investment-grade credit ratings and a mid-single-digit yield that anchors much of the return case.

TAC. TransAlta reaffirmed its 2026 outlook after a softer first quarter driven by lower Alberta power prices and no generation at Centralia Unit 2. The company reports in Canadian dollars and emphasizes adjusted EBITDA and free cash flow, since reported GAAP net earnings can be volatile and trailing-twelve-month figures have shown net losses. Liquidity stood at roughly C$1.5 billion.

Headline figures (approximate, July 2026): BEP shows revenue (ttm) ~$5.9B, quarterly ffo (q1 2026) ~$375M (~$0.55/unit, up ~19% YoY), market cap (bep units) ~$10B, distribution yield ~4.5-5%; TAC shows revenue (ttm) ~C$1.8 billion, q1 2026 revenue ~C$565 million (down from ~C$758 million), q1 2026 adjusted ebitda ~C$204 million (down from ~C$270 million), 2026 adjusted ebitda guidance ~C$950 million to C$1,050 million.

The bottom line: BEP vs TAC

BEP and TAC are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined BEP and TAC exposure against your real portfolio. It is not an investment adviser.

Wondering how BEP or TAC fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.

Investing in Brookfield Renewable Partners with AI

Connect the broker you already use and ask Walnut's AI how BEP fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.

FAQ

What is the difference between BEP and TAC?

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Brookfield Renewable Partners (NYSE: BEP) is one of the world's largest pure-play renewable power platforms, operating a diversified fleet of hydroelectric, wind, solar, and battery-storage assets across the Americas, Europe, and Asia. TransAlta Corporation is one of Canada's largest publicly traded power generators, owning and operating a diversified fleet across Canada, the United States, and Western Australia. They show up together because they share investment themes, but they are different businesses, so the better fit depends on which thesis you are expressing.

Is BEP or TAC the better stock?

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Neither is universally better. BEP is the larger incumbent; TAC is the smaller challenger and looks pricier on forward earnings. Walnut is informational, not investment advice. Compare what each does, the tie-breaker metrics above, and the risks, then decide which fits your thesis and what you already own.

Which is cheaper, BEP or TAC?

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On forward P/E (as of September 2026), BEP trades at -16.73x and TAC at 29.37x, so BEP is the cheaper of the two on next year's expected earnings. A lower multiple is not automatically the better buy: a richer valuation can be justified by faster growth, and a lower one can reflect real risk. Weigh the multiple against how fast each business is compounding.

Should you own both BEP and TAC?

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Because they share themes, owning both concentrates you in that theme. That can be intentional (a focused bet) or accidental (less diversification than it looks). Walnut can show your combined exposure across both, and whether adding either over-concentrates you, before you buy.

What are the risks of BEP vs TAC?

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BEP: As a highly capital-intensive, leveraged asset owner, BEP is sensitive to interest rates and financing costs, which pressure both valuation and the economics of new projects. Reported results can swing to accounting net losses (a net loss was reported in the most recent quarter) driven by non-cash depreciation, foreign-exchange, and derivative effects even when FFO grows, so headline EPS can mislead. The model depends on continued successful acquisitions and asset sales at attractive prices, and a slowdown in capital recycling or a tougher M&A market would weigh on growth. It is also exposed to development execution risk, hydrology and weather variability, currency movements across its global footprint, and shifting government policy and subsidy regimes for renewables. Finally, the K-1 partnership structure adds tax complexity for many US investors. TAC: TransAlta's biggest risk is its heavy exposure to volatile Alberta merchant power prices, which drove Q1 2026 revenue and EBITDA sharply lower year over year. Plant availability matters too, as the absence of generation at Centralia Unit 2 hurt results. Reported GAAP net earnings can be thin or negative even when adjusted metrics look healthier, and trailing-twelve-month results have shown net losses. As a Canadian issuer reporting in Canadian dollars, US investors also carry currency translation risk. Regulatory shifts, carbon policy, interest rates, and execution on acquisitions and the coal-to-gas transition add further uncertainty.

Walnut is informational, not investment advice. This page is descriptive and not a recommendation to buy or sell BEP or TAC; figures are approximate and dated (as of September 2026). Verify current data before investing.