ET vs WMB: How Energy Transfer and Williams Companies Compare (2026)

Last updated July 2026

Short answer

ET and WMB are similarly sized, but ET trades noticeably cheaper on forward earnings (13.30x vs 27.49x): the market is paying up for WMB's profile and pricing ET more conservatively, or for faster growth. Which you prefer comes down to the drivers you believe, and whether adding either over-concentrates what you already own.

ET vs WMB: the tie-breaker metrics

Same yardstick, side by side (as of July 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.

MetricETWMBWhat it tells you
Market cap$70.06B$86.20BSize. The larger name is the incumbent; the smaller has more room to grow and more to prove.
Forward P/E13.3027.49Valuation on next year's expected earnings, the same yardstick for both. Lower is cheaper for that growth; higher means the market is paying up.
Trailing P/E16.9730.91Valuation on the last 12 months. A big drop from trailing to forward means the market expects earnings to jump, so more growth is already in the price.
Beta0.550.60Volatility 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 range92% of range60% 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 / book2.256.74How much you pay over book value. Very high can signal an asset-light, high-return business or a rich price.

Reading it: ET is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

Before you buy: how ET and WMB 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. ET and WMB 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 ET and WMB 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 Energy Transfer (ET) do?

Energy Transfer owns and operates one of the largest and most diversified energy-infrastructure portfolios in the United States, spanning roughly 140,000 miles of pipeline across 44 states with assets in all major production basins. Its segments include natural gas gathering, processing, and intrastate and interstate transportation and storage; crude oil transportation and terminalling; NGL transportation, fractionation, and export; and refined products. The business is largely fee-based: it earns money by moving and storing volumes for producers, refiners, utilities, and exporters under long-term contracts, which makes cash flow less directly tied to commodity prices than an exploration company, though volumes and spreads still matter. Recent growth is concentrated in the Permian Basin, NGL exports (which set company records in Q1 2026), and a wave of natural-gas supply agreements tied to data centers and power generation, including deals to deliver gas to Oracle data centers.

Full ET guide

What does Williams Companies (WMB) do?

The Williams Companies, Inc. (NYSE: WMB) is a Tulsa-based energy infrastructure company focused almost entirely on natural gas. Its crown jewel is Transco, an interstate pipeline running more than 10,000 miles from south Texas and the Gulf Coast up the Atlantic Seaboard to the New York City area, complemented by the Northwest Pipeline in the Pacific Northwest and an extensive footprint of gathering, processing, and storage assets in basins such as the Marcellus and Haynesville. Williams makes most of its money through long-term, fee-based and capacity-reservation contracts under which customers pay to reserve and use pipeline space largely regardless of how much gas actually flows, which gives its cash flows a utility-like stability. Across its systems, Williams handles roughly a third of the natural gas used in the United States.

Full WMB guide

ET vs WMB: 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.

  • ET drivers: Fee-based midstream cash flows; High distribution and stated growth target.
  • WMB drivers: Fee-based gas transport core; LNG export and Transco expansion growth.

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: Energy Transfer's volumes and some spreads remain exposed to commodity cycles, drilling activity, and energy demand, so a downturn in production or prices can pressure cash flow. For WMB, williams carries meaningful leverage, with net debt of roughly $29.5 billion, so a period of higher-for-longer interest rates would raise refinancing costs and could compress free cash flow.

ET or WMB: which should you pick?

Pick ET if you believe its drivers more; WMB 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 ET and WMB guides.

ET vs WMB: the full fundamentals

ET. Energy Transfer is most often evaluated on cash-flow and yield metrics rather than traditional earnings multiples, because as a midstream MLP its appeal is income from distributions backed by distributable cash flow. As of June 2026 the units yielded roughly 7%, supported by record NGL and Permian volumes and a stated 3% to 5% distribution-growth target. These are descriptive figures tied to the asOf date, not projections, and yields move with the unit price.

WMB. Reading a midstream C-corp like Williams is less about GAAP net income and more about contracted cash flow. Investors typically focus on adjusted EBITDA, available funds from operations (AFFO) or distributable cash flow, dividend coverage (AFFO comfortably exceeded the dividend in FY2025), and leverage measured as net debt to EBITDA. Because most EBITDA is fee-based, results are steadier than a producer's, and the headline EV/EBITDA multiple captures the market's view of that durability plus growth from expansions and power projects. As a C-corporation, Williams reports its payout on a 1099 dividend form rather than the K-1 that MLP-structured peers issue, which simplifies tax filing.

Headline figures (approximate, 2026-06): ET shows revenue (ttm) ~$89 billion, distributable cash flow (q1 2026, attributable to partners) ~$2.7 billion, distribution yield ~7% (quarterly distribution ~$0.338/unit), 2026 adjusted ebitda guidance ~$18.2-$18.6 billion; WMB shows adjusted ebitda (fy2025) ~$7.75 billion, up ~9% YoY, adjusted eps (fy2025) ~$2.10 per diluted share, available funds from operations (fy2025) ~$5.86 billion, 2026 adjusted ebitda guidance (midpoint) ~$8.2 billion.

The bottom line: ET vs WMB

ET and WMB 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 ET and WMB exposure against your real portfolio. It is not an investment adviser.

Investing in Energy Transfer with AI

Connect the broker you already use and ask Walnut's AI how ET 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 ET and WMB?

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Energy Transfer owns and operates one of the largest and most diversified energy-infrastructure portfolios in the United States, spanning roughly 140,000 miles of pipeline across 44 states with assets in all major production basins. The Williams Companies, Inc. 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 ET or WMB the better stock?

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Neither is universally better; they suit different views and risk levels. 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, ET or WMB?

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On forward P/E (as of July 2026), ET trades at 13.30x and WMB at 27.49x, so ET 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 ET and WMB?

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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 ET vs WMB?

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ET: Energy Transfer's volumes and some spreads remain exposed to commodity cycles, drilling activity, and energy demand, so a downturn in production or prices can pressure cash flow. The partnership carries substantial debt, and rising rates or a credit downgrade would raise financing costs. As a master limited partnership, ET issues a Schedule K-1, which adds tax complexity and can complicate ownership inside retirement accounts. A high distribution always raises questions about long-term sustainability if cash flow weakens, and large projects such as the suspended Lake Charles LNG facility carry execution and regulatory uncertainty. WMB: Williams carries meaningful leverage, with net debt of roughly $29.5 billion, so a period of higher-for-longer interest rates would raise refinancing costs and could compress free cash flow. Although most revenue is fee-based, the company still has some exposure to natural gas volumes and a smaller slice of commodity-linked gathering and processing margins, meaning a sustained drop in drilling activity or gas prices in its key basins would weigh on results. Large interstate pipeline and power projects face permitting, legal, and regulatory risk, including FERC reviews and litigation that can delay or scale back expansions and the new gas-generation buildout. Project execution risk is real as Williams ramps spending on data-center power, and a faster-than-expected energy transition or policy shift away from gas infrastructure could impair the long-term value of its asset base.

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

    ET vs WMB: How Energy Transfer and Williams Companies Compare (2026), Walnut