{"url":"https://etfiq.com/themes/clean-energy","section":"themes","title":"Clean energy ETFs: 16 funds, largest first | ETFIQ","description":"ETFIQ covers 16 clean energy ETFs. The largest are ICLN ($2.1bn), TAN ($874m) and QCLN ($487m); fees run 0.35% to 0.79%, as of Oct 20, 2026.","as_of":"Oct 21, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How many clean energy ETFs are there?","acceptedAnswer":{"@type":"Answer","text":"ETFIQ covers 16 US listed clean energy ETFs as of Oct 21, 2026. That is every one it can measure from the fund\u2019s own published holdings."}},{"@type":"Question","name":"What is the largest clean energy ETF?","acceptedAnswer":{"@type":"Answer","text":"ICLN, iShares Global Clean Energy ETF, at $2.1bn in net assets as of Oct 20, 2026, the largest of the 16 clean energy ETFs with a published size."}},{"@type":"Question","name":"What is the cheapest clean energy ETF?","acceptedAnswer":{"@type":"Answer","text":"CCSO, Carbon Collective Climate Solutions U.S. Equity ETF, at 0.35% a year by its prospectus filed Nov 25, 2025, the lowest fee of the 16 clean energy ETFs that publish one."}},{"@type":"Question","name":"Which clean energy ETF has performed best over the past year?","acceptedAnswer":{"@type":"Answer","text":"FAN, First Trust Global Wind Energy ETF, at +12.6% total return over the year to Oct 21, 2026, the highest of the 16 clean energy ETFs with a full year of trading behind them. Past returns do not predict future ones."}},{"@type":"Question","name":"What do clean energy ETFs hold?","acceptedAnswer":{"@type":"Answer","text":"Funds that hold solar, wind, hydrogen and fuel cell companies, and the utilities and equipment makers behind them. Between them the 16 clean energy ETFs ETFIQ can read name 134 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 21, 2026, most widely BLOOM ENERGY CLASS A, which is among the ten largest of 5 of them."}},{"@type":"Question","name":"Do clean energy ETFs hold the same companies?","acceptedAnswer":{"@type":"Answer","text":"It depends which two. Across the 45 pairs of the 10 clean energy ETFs with a full published book, by holdings dated May 31, 2026 to Oct 20, 2026, ACES and QCLN hold 37% of their weight in the same companies, FAN and PBW hold 2%, and the middle pair holds 21%. Two funds sold on one theme are not the same fund."}}]},{"@type":"ItemList","name":"Clean energy ETFs: 16 funds, largest first","numberOfItems":16,"itemListElement":[{"@type":"ListItem","position":1,"name":"ICLN","url":"https://etfiq.com/funds/icln"},{"@type":"ListItem","position":2,"name":"TAN","url":"https://etfiq.com/funds/tan"},{"@type":"ListItem","position":3,"name":"QCLN","url":"https://etfiq.com/funds/qcln"},{"@type":"ListItem","position":4,"name":"PBW","url":"https://etfiq.com/funds/pbw"},{"@type":"ListItem","position":5,"name":"FAN","url":"https://etfiq.com/funds/fan"},{"@type":"ListItem","position":6,"name":"CNRG","url":"https://etfiq.com/funds/cnrg"},{"@type":"ListItem","position":7,"name":"ACES","url":"https://etfiq.com/funds/aces"},{"@type":"ListItem","position":8,"name":"SMOG","url":"https://etfiq.com/funds/smog"},{"@type":"ListItem","position":9,"name":"PBD","url":"https://etfiq.com/funds/pbd"},{"@type":"ListItem","position":10,"name":"FRNW","url":"https://etfiq.com/funds/frnw"},{"@type":"ListItem","position":11,"name":"HYDR","url":"https://etfiq.com/funds/hydr"},{"@type":"ListItem","position":12,"name":"CCSO","url":"https://etfiq.com/funds/ccso"},{"@type":"ListItem","position":13,"name":"KGRN","url":"https://etfiq.com/funds/kgrn"},{"@type":"ListItem","position":14,"name":"CTEC","url":"https://etfiq.com/funds/ctec"},{"@type":"ListItem","position":15,"name":"RNRG","url":"https://etfiq.com/funds/rnrg"},{"@type":"ListItem","position":16,"name":"VCLN","url":"https://etfiq.com/funds/vcln"}]},{"@type":"ItemList","name":"The 10 largest clean energy ETFs","itemListOrder":"https://schema.org/ItemListOrderDescending","numberOfItems":10,"itemListElement":[{"@type":"ListItem","position":1,"name":"ICLN","url":"https://etfiq.com/funds/icln"},{"@type":"ListItem","position":2,"name":"TAN","url":"https://etfiq.com/funds/tan"},{"@type":"ListItem","position":3,"name":"QCLN","url":"https://etfiq.com/funds/qcln"},{"@type":"ListItem","position":4,"name":"PBW","url":"https://etfiq.com/funds/pbw"},{"@type":"ListItem","position":5,"name":"FAN","url":"https://etfiq.com/funds/fan"},{"@type":"ListItem","position":6,"name":"CNRG","url":"https://etfiq.com/funds/cnrg"},{"@type":"ListItem","position":7,"name":"ACES","url":"https://etfiq.com/funds/aces"},{"@type":"ListItem","position":8,"name":"SMOG","url":"https://etfiq.com/funds/smog"},{"@type":"ListItem","position":9,"name":"PBD","url":"https://etfiq.com/funds/pbd"},{"@type":"ListItem","position":10,"name":"FRNW","url":"https://etfiq.com/funds/frnw"}]},{"@type":"Dataset","name":"Clean energy ETFs: what each one holds","description":"ETFIQ covers 16 clean energy ETFs. The largest are ICLN ($2.1bn), TAN ($874m) and QCLN ($487m); fees run 0.35% to 0.79%, as of Oct 20, 2026.","url":"https://etfiq.com/themes/clean-energy","dateModified":"2026-10-21","inLanguage":"en","creator":{"@id":"https://etfiq.com/#org"},"publisher":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/thematic.json"}],"variableMeasured":["Weight overlap with the S&P 500","Active share","Holdings","Top ten share of the fund","Total return","Fee for the differing part","Expense ratio"],"keywords":["exchange-traded funds","ETF","Thematic ETFs","fund data","SEC filings"]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Thematic ETFs","item":"https://etfiq.com/themes/"},{"@type":"ListItem","position":3,"name":"Clean energy","item":"https://etfiq.com/themes/clean-energy"}]},{"@type":"WebPage","name":"Clean energy ETFs: 16 funds, largest first","description":"ETFIQ covers 16 clean energy ETFs. The largest are ICLN ($2.1bn), TAN ($874m) and QCLN ($487m); fees run 0.35% to 0.79%, as of Oct 20, 2026.","url":"https://etfiq.com/themes/clean-energy","dateModified":"2026-10-21","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":9984,"truncated":false,"content":"ETFIQ / Thematic ETFs / Clean energy \n \n Data as of Oct 21, 2026 .\n Clean energy ETFs: what each one holds\n See every clean energy ETF by what it holds, not by its name. Funds that hold solar, wind, hydrogen and fuel cell companies, and the utilities and equipment makers behind them. 16 funds, largest first. Updated Oct 21, 2026. The typical fund carries 9% of its weight in S&P 500 names, the 47th most of the 53 themes with filed books.\n 16 US listed clean energy ETFs \n $2.1bn The largest, ICLN \n 0.35% The cheapest, CCSO \n +12.6% Best one year, FAN \n\n The short answers\n Least like the S&P 500 KGRN , KraneShares MSCI China Clean Technology Index ETF, 0.0% of its weight in S&P 500 companies. Closest pair ACES and QCLN , 37% of their weight in the same companies. What these funds actually own\n Between them the 16 funds' ten largest holdings name 134 companies, of which 15 appear in more than one. BLOOM ENERGY CLASS A is among the ten largest of 5 of them, at an average of 6.3% of the fund.\n Clean energy ETFs, the companies their ten largest holdings name. Source: each fund's latest SEC filing or its issuer\u2019s own daily holdings file, read by ETFIQ. Company Among the ten largest of Average weight where it is Largest, and in which fund \n BLOOM ENERGY CLASS A BE 5 of 16 6.3% 9.5% in QCLN \n FIRST SOLAR FSLR 5 of 16 6.2% 9.4% in TAN \n NEXTPOWER INC NXT 5 of 16 6.1% 10.7% in TAN \n Tesla, Inc. TSLA 3 of 16 6.4% 9.0% in QCLN \n ENPHASE ENERGY ENPH 3 of 16 4.9% 7.3% in TAN \n BLOOM ENERGY CORPORATION 2 of 16 11.9% 15.5% in HYDR \n PLUG POWER INC. 2 of 16 7.2% 10.8% in HYDR \n Enlight Renewable Energy Ltd ENLT 2 of 16 6.0% 8.5% in TAN \n NEXTERA ENERGY INC NEE 2 of 16 5.3% 7.1% in SMOG \n IBERDROLA IBE 2 of 16 5.2% 6.4% in ICLN \n ENLIGHT RENEWABLE ENERGY LTD 2 of 16 4.4% 5.7% in RNRG \n GE VERNOVA INC GEV 2 of 16 4.3% 4.7% in CCSO \n Clearway Energy Inc CWEN 2 of 16 3.9% 4.1% in TAN \n VESTAS WIND SYSTEMS VWS 2 of 16 3.3% 3.6% in VCLN \n ORMAT TECH INC ORA 2 of 16 2.3% 2.8% in ICLN \n \n The 15 most widely held of 134. Each row counts the ten largest holdings of each fund, so a fund missing from a row may still hold that company lower down. Weights are of the funds that name it, not of the theme.\n The 10 largest clean energy ETFs\n ETFIQ covers 16 clean energy ETFs. The largest are ICLN ( $2.1bn ), TAN ( $874m ) and QCLN ( $487m ); fees run 0.35% to 0.79% , as of Oct 20, 2026 .\n ICLN iShares Global Clean Energy ETF $2.1bn 0.38% \n TAN Invesco Solar ETF $874m 0.70% \n QCLN First Trust Nasdaq Clean Edge Green Energy Index Fund $487m 0.59% \n PBW Invesco WilderHill Clean Energy ETF $291m 0.63% \n FAN First Trust Global Wind Energy ETF $189m 0.60% \n CNRG State Street SPDR S&P Kensho Clean Power ETF $162m 0.45% \n ACES ALPS Clean Energy ETF $145m 0.55% \n SMOG VanEck Low Carbon Energy ETF $127m 0.64% \n PBD Invesco Global Clean Energy ETF $107m 0.75% \n FRNW Fidelity Clean Energy ETF $91m 0.39% \n \n Clean energy ETFs: what each one holds, as of Oct 21, 2026. Source: ETFIQ. Ticker Fund Issuer Net assets In the S&P 500 Active share Total return 1Y vs its benchmark 1Y Fee \n ICLN iShares Global Clean Energy ETF iShares $2.1bn 8.1% 100.0% +2.0% not measured 0.38% \n TAN Invesco Solar ETF Invesco $874m 9.4% 100.0% \u22129.1% \u221225.1 pts vs ACWI 0.70% \n QCLN First Trust Nasdaq Clean Edge Green Energy Index Fund First Trust $487m 33.6% 97.9% \u22120.1% \u221215.9 pts vs IWV 0.59% \n PBW Invesco WilderHill Clean Energy ETF Invesco $291m 8.0% 98.0% \u221220.9% \u221236.6 pts vs IWV 0.63% \n FAN First Trust Global Wind Energy ETF First Trust $189m 6.4% 99.2% +12.6% \u22123.2 pts vs IWV 0.60% \n CNRG State Street SPDR S&P Kensho Clean Power ETF State Street $162m 26.6% 96.9% \u221215.9% \u221232.4 pts vs VOO 0.45% \n ACES ALPS Clean Energy ETF ALPS $145m 14.6% 98.1% \u221224.7% not measured 0.55% \n SMOG VanEck Low Carbon Energy ETF VanEck $127m 18.4% 97.8% +2.7% \u221213.3 pts vs ACWI 0.64% \n PBD Invesco Global Clean Energy ETF Invesco $107m 1.8% 99.9% \u22121.6% \u221215.4 pts vs EFA 0.75% \n FRNW Fidelity Clean Energy ETF Fidelity $91m 9.7% 99.5% \u22120.5% not measured 0.39% \n HYDR Global X Hydrogen ETF Global X $89m 2.8% 99.7% \u22122.9% not measured 0.50% \n CCSO Carbon Collective Climate Solutions U.S. Equity ETF Carbon Collective $46m 47.4% 98.7% \u22122.7% \u221219.2 pts vs VOO 0.35% \n KGRN KraneShares MSCI China Clean Technology Index ETF KraneShares $43m 0.0% 100.0% \u221229.0% not measured 0.79% \n CTEC Global X ClimateTech ETF Global X $23m 7.1% 100.0% \u22124.7% not measured 0.50% \n RNRG Global X Renewable Energy Producers ETF Global X $23m 0.0% 100.0% \u22123.1% \u221219.1 pts vs ACWI 0.65% \n VCLN Virtus Duff & Phelps Clean Energy ETF Virtus $5m 15.4% 98.9% +4.0% not measured 0.59% \n \n How much of each pair is the same fund\n The closest pair is ACES and QCLN , which hold 37% of their weight in the same companies. The furthest apart is FAN and PBW at 2%. The middle pair of the 45 is 21%. The grid is the 10 largest of 16 funds.\n Clean energy ETFs, the share of each pair\u2019s weight held in the same companies. Read across or down; the figure is the same either way. Cells are shaded against the closest pair here, 37%. Source: each fund\u2019s own filed or daily holdings, read by ETFIQ. ICLN TAN QCLN PBW FAN CNRG ACES SMOG PBD FRNW \n ICLN \u00b7 30% 24% 15% 10% 21% 21% 25% 17% 28% \n TAN 30% \u00b7 19% 15% 4% 26% 36% 7% 18% 32% \n QCLN 24% 19% \u00b7 30% 4% 24% 37% 25% 13% 25% \n PBW 15% 15% 30% \u00b7 2% 30% 31% 14% 18% 23% \n FAN 10% 4% 4% 2% \u00b7 9% 4% 18% 10% 26% \n CNRG 21% 26% 24% 30% 9% \u00b7 30% 18% 11% 33% \n ACES 21% 36% 37% 31% 4% 30% \u00b7 14% 11% 28% \n SMOG 25% 7% 25% 14% 18% 18% 14% \u00b7 21% 19% \n PBD 17% 18% 13% 18% 10% 11% 11% 21% \u00b7 29% \n FRNW 28% 32% 25% 23% 26% 33% 28% 19% 29% \u00b7 \n \n Weight overlap adds the smaller of the two weights for every company both funds hold. Funds with a cut-short book are left out, not compared short.\n What each fund holds alone\n Clean energy ETFs, the largest holding no other fund in the grid holds. Source: ETFIQ. Fund Largest holding it alone has Weight All of its own names \n ICLN CHINA YANGTZE POWER LTD A 5.5% 35.7% \n TAN GCL Technology Holdings Ltd 4.2% 8.7% \n QCLN ON Semiconductor Corporation ON 9.0% 19.0% \n PBW ESCO Technologies Inc ESE 1.7% 33.0% \n FAN Goldwind Science & Technology Co., Ltd. (Class H) 2208.HK 2.9% 29.4% \n CNRG CONSTELLATION ENERGY CEG 4.1% 28.3% \n ACES Andersons Inc 2.5% 3.3% \n SMOG Owens Corning OC 1.4% 10.2% \n PBD Lotte Energy Materials Corp 1.9% 43.6% \n FRNW EDP S.A. 3.7% 12.5% \n \n Questions people ask\n How many clean energy ETFs are there? ETFIQ covers 16 US listed clean energy ETFs as of Oct 21, 2026. That is every one it can measure from the fund\u2019s own published holdings. What is the largest clean energy ETF? ICLN , iShares Global Clean Energy ETF, at $2.1bn in net assets as of Oct 20, 2026, the largest of the 16 clean energy ETFs with a published size. What is the cheapest clean energy ETF? CCSO , Carbon Collective Climate Solutions U.S. Equity ETF, at 0.35% a year by its prospectus filed Nov 25, 2025, the lowest fee of the 16 clean energy ETFs that publish one. Which clean energy ETF has performed best over the past year? FAN , First Trust Global Wind Energy ETF, at +12.6% total return over the year to Oct 21, 2026, the highest of the 16 clean energy ETFs with a full year of trading behind them. Past returns do not predict future ones. What do clean energy ETFs hold? Funds that hold solar, wind, hydrogen and fuel cell companies, and the utilities and equipment makers behind them. Between them the 16 clean energy ETFs ETFIQ can read name 134 companies in their ten largest holdings, by holdings dated May 31, 2026 to Oct 21, 2026, most widely BLOOM ENERGY CLASS A, which is among the ten largest of 5 of them. Do clean energy ETFs hold the same companies? It depends which two. Across the 45 pairs of the 10 clean energy ETFs with a full published book, by holdings dated May 31, 2026 to Oct 20, 2026, ACES and QCLN hold 37% of their weight in the same companies, FAN and PBW hold 2%, and the middle pair holds 21%. Two funds sold on one theme are not the same fund. What the issuers say about this theme\n The issuers behind these clean energy funds publish their own work on this theme. These are their pages and words, not ETFIQ\u2019s. A fund company writing about a theme it sells is making a case.\n Issuer material on this theme. Links leave ETFIQ. Source: each issuer\u2019s own site. Issuer What they publish Kind \n iShares iShares Portfolio Insights Their research index \n Invesco Invesco insights Their research index \n First Trust First Trust Investment Insights Their research index \n VanEck VanEck Insights Their research index \n Global X Global X Insights, including The Next Big Theme Their research index \n KraneShares KraneShares research insights Their research index \n \n Where to next\n The largest clean energy ETFs The cheapest clean energy ETFs The clean energy ETFs least like the S&P 500 The clean energy ETFs that returned most The most concentrated clean energy ETFs Every thematic ETF Compare two funds The vocabulary Where these figures came from\n Fund holdings from SEC Form N-PORT and from the issuers own daily files SEC EDGAR, full-text search of fund filings SEC Form N-PORT, what a fund filed it holds Rule 19a-1, what a distribution notice must say ETFIQ links to the documents behind every figure; a link is not an endorsement.\n ETFIQ is an independent publisher and makes no recommendations. Standards and sources \n Cite this page. ETFIQ, Clean energy ETFs: what each one holds, data as of Oct 21, 2026. https://etfiq.com/themes/clean-energy Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, Clean energy ETFs: what each one holds, data as of Oct 21, 2026. https://etfiq.com/themes/clean-energy APA ETFIQ. (Oct 21, 2026). Clean energy ETFs: what each one holds. Retrieved from https://etfiq.com/themes/clean-energy Markdown [Clean energy ETFs: what each one holds (ETFIQ, Oct 21, 2026)](https://etfiq.com/themes/clean-energy)","source":"ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.","publisher":{"@id":"https://etfiq.com/#org","name":"ETFIQ","url":"https://etfiq.com"},"license":"https://etfiq.com/license/","license_text":"Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, Clean energy ETFs: what each one holds, data as of Oct 21, 2026. https://etfiq.com/themes/clean-energy"}