What Is TAN? Invesco Solar ETF

TAN is the Invesco Solar ETF, the largest and longest-running pure-play solar fund listed in the US. It tracks the MAC Global Solar Energy Index, which selects companies whose business is materially tied to solar energy and weights them with an emphasis on the most solar-dependent names.

Launched in April 2008, TAN gives investors a single ticker for the whole solar value chain: panel and thin-film manufacturers, inverter and tracker makers, residential and utility-scale installers, and the financiers who fund solar projects. At a 0.70% expense ratio it is priced as a specialized thematic fund rather than a low-cost index tracker.

Approximate weights as of mid-2026; refresh quarterly from Invesco's fund page. Each ticker links to its individual stock guide in Walnut.

TAN's portfolio is led by Nextracker and First Solar, followed by Enphase Energy, SolarEdge, and Sunrun on the US side, with international developers such as Enlight, Doral, and Nofar Energy filling out the top ten. HA Sustainable Infrastructure Capital adds a project-finance angle.

The fund is concentrated: the top ten names make up more than half of assets, so its performance is driven by a handful of solar leaders. That concentration is the point for investors who want direct solar exposure, but it also means single-company news can move the whole fund.

The most common comparison is TAN versus iShares Global Clean Energy ETF (ICLN). TAN is pure solar; ICLN is a broader clean-energy basket that also includes wind, hydro, and renewable utilities. TAN is the more concentrated, higher-beta way to express a solar view.

Investors who specifically believe in solar economics tend to choose TAN, while those wanting general exposure to the energy transition, with less single-industry risk, often prefer ICLN. TAN also carries a higher fee (0.70% versus ICLN's lower ratio), which is the cost of its narrower focus.

TAN has one of the most cyclical track records in the ETF world. It rallied enormously in the 2020-2021 clean-energy boom, then fell sharply as interest rates rose and installer economics tightened. Its returns are tightly linked to rate cycles, subsidy policy, and tariff decisions on imported panels and cells.

The forward outlook rests on solar demand growth, the direction of interest rates, and policy support in the US, Europe, and China. Because so much of the fund is high-beta developers and installers, TAN tends to amplify both the upside and downside of the broader solar cycle.

TAN suits investors who want a direct, high-conviction position in solar and can tolerate large drawdowns. Its concentration and rate sensitivity make it better suited as a small satellite or tactical sleeve than as a diversified core holding.

Walnut is not an investment adviser, and this is not a recommendation to buy or sell TAN. Whether it fits depends on your goals, time horizon, and how much single-theme volatility you are comfortable holding. Sizing it modestly is how most investors manage its swings.

TAN trades on the NYSE Arca and can be bought through any major brokerage, including Robinhood, Fidelity, Schwab, and Public. Many of these offer fractional shares, so you can invest a fixed dollar amount rather than buying whole shares.

If you want to track TAN as part of a stated solar thesis, you can connect your brokerage to Walnut and hold it inside a thematic basket. Walnut mirrors your real positions read-only and helps you see how TAN fits alongside the rest of your portfolio.

TAN is the go-to way to express a specific view on solar. At 0.70% it costs more than a broad index fund, and its concentrated, high-beta holdings swing hard with interest rates and policy. It fits as a small satellite or tactical position for investors who want direct solar exposure, not as a diversified core holding.

Whether TAN 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 TAN a buy?

TAN yields ~0.3% as of mid-2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see TAN dividend: yield and schedule.