What Is VPU? Vanguard Utilities Index Fund ETF Shares

A regulated utility operates under a compact: it serves a defined territory, invests in the network, and a regulator sets rates that allow it to earn an approved return on that investment. Earnings are therefore fairly predictable and grow roughly in line with the capital base. Southern, Duke, American Electric Power, Dominion, Entergy and Xcel all work broadly this way, and together they form the bulk of the fund.

Merchant power generators do not have that arrangement. They own generating capacity and sell electricity into wholesale markets at prevailing prices. Their profits rise and fall with power prices, fuel costs and demand, which makes their earnings far more variable. Constellation Energy at 4.8% and Vistra at 3.4% belong to this second category, and their presence at those weights is a material departure from the sector's traditional profile.

Rising electricity demand from data centres has drawn attention to this distinction, since generators with available capacity are positioned differently from regulated network operators when demand grows quickly. The point for a fund holder is simply that VPU contains both business models, and they respond to different things.

The US utilities sector is small in company count relative to technology or financials, and market-cap weighting produces a concentrated result. NextEra alone is 11.6% of the fund, and the ten largest positions come to roughly 52% of assets. This is normal for sector funds and it means individual company outcomes, such as a regulatory ruling or a project delay, carry real weight.

The 2.64% yield is worth examining against the sector's reputation. Utilities have long been thought of as a high-income holding, and they still distribute a substantial share of earnings. A modest yield figure reflects share prices relative to those distributions rather than any change in payout behaviour, and it means the income case for the sector is less compelling than the folklore suggests.

Interest rates matter to this sector in two distinct ways. Utilities are capital intensive and carry substantial debt, so financing costs directly affect earnings. Separately, their dividends compete with bond yields for income-seeking investors, so when bond yields rise, utility shares often come under pressure for reasons unrelated to their operations.

At 0.09%, VPU is among the cheapest ways to own the sector, and cost is unlikely to be the deciding factor between competing utilities funds. Differences in index construction, such as whether independent power producers are included and how deep into mid caps the index reaches, matter more than the fee at this level.

Any broad US index fund already contains every company VPU holds, at smaller weights. Adding a sector fund is a decision to hold more of one industry than the market does, which is a legitimate choice made deliberately and a source of unintended concentration made carelessly.

The traditional case for utilities as defensive ballast deserves scrutiny in light of what the fund now contains. Regulated utilities do tend to hold up better than the market in downturns. Merchant generators behave more like commodity producers. Someone holding VPU specifically as a low-volatility income anchor should look at the actual mix rather than the sector label, and should note that the yield alone does not make the case it once did.

Approximate weights as of August 2026. Each ticker links to its individual stock guide in Walnut.

There are three common ways to get VPU exposure. Buy shares (or fractional shares) of VPU directly at any major broker that lists it. Hold it as a core position and layer more concentrated ideas on top. Or build it into a thematic portfolio in Walnut, so VPU sits alongside other holdings that express the same thesis, with target weights you can rebalance toward. VPU trades like a stock during market hours, so you buy it the same way you would any listed share.

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Whether VPU is a good buy depends less on any single call and more on your time horizon and what you already hold: it tracks an index of US utility stocks, so the real question is whether you want that exposure in your mix and at what weight. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is VPU a buy?

VPU gives you an index of US utility stocks exposure in one ticker at a 0.09% expense ratio. Most investors use it as a core holding and layer more concentrated thematic portfolios on top.

Whether VPU is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is VPU a buy?

VPU yields 2.64% as of August 2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see VPU dividend: yield and schedule.

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