The Invesco S&P 500 Equal Weight Utilities ETF (RYU) was launched on 11/01/2006, and is a passively managed exchange traded fund designed to offer broad exposure to the Utilities - Broad segment of the equity market.Retail and institutional investors increasingly turn to passively managed ETFs because they offer low costs, transparency, flexibility, and tax efficiency; these kind of funds are also excellent vehicles for long term investors.Sector ETFs also provide investors access to a broad group of companies in particular sectors that offer low risk and diversified exposure. Utilities - Broad is one of the 16 broad Zacks sectors within the Zacks Industry classification. It is currently ranked 4, placing it in top 25%.Index DetailsThe fund is sponsored by Invesco. It has amassed assets over $381.10 M, making it one of the average sized ETFs attempting to match the performance of the Utilities - Broad segment of the equity market. RYU seeks to match the performance of the S&P 500 Equal Weight Telecommunication Services & Utilities Index before fees and expenses.This index is an unmanaged equal weighted version of the S&P 500 Utilities Index that consists of common stocks of the following industries: electric utilities, gas utilities, multi-utilities & unregulated power & water utilities,telecommunication service companies, including fixed-line, cellular, wireless, high bandwidth & fiber-optic cable networks.CostsCost is an important factor in selecting the right ETF, and cheaper funds can significantly outperform their more expensive counterparts if all other fundamentals are the same.Annual operating expenses for this ETF are 0.40%, making it one of the cheaper products in the space.It has a 12-month trailing dividend yield of 2.62%.Sector Exposure and Top HoldingsEven though ETFs offer diversified exposure that minimizes single stock risk, investors should also look at the actual holdings inside the fund. Luckily, most ETFs are very transparent products that disclose their holdings on a daily basis.This ETF has heaviest allocation in the Utilities sector--about 100% of the portfolio.Looking at individual holdings, Eversource Energy (ES) accounts for about 4.01% of total assets, followed by Nextera Energy Inc (NEE) and Ameren Corp (AEE).The top 10 holdings account for about 38.36% of total assets under management.Performance and RiskThe ETF has lost about -3.09% so far this year and was up about 10.68% in the last one year (as of 03/11/2020). In that past 52-week period, it has traded between $94.44 and $115.50.The ETF has a beta of 0.37 and standard deviation of 13.96% for the trailing three-year period, making it a medium risk choice in the space. With about 28 holdings, it has more concentrated exposure than peers.AlternativesInvesco S&P 500 Equal Weight Utilities ETF carries a Zacks ETF Rank of 3 (Hold), which is based on expected asset class return, expense ratio, and momentum, among other factors. Thus, RYU is a sufficient option for those seeking exposure to the Utilities/Infrastructure ETFs area of the market. Investors might also want to consider some other ETF options in the space.Vanguard Utilities ETF (VPU) tracks MSCI US Investable Market Utilities 25/50 Index and the Utilities Select Sector SPDR ETF (XLU) tracks Utilities Select Sector Index. Vanguard Utilities ETF has $4.37 B in assets, Utilities Select Sector SPDR ETF has $12.39 B. VPU has an expense ratio of 0.10% and XLU charges 0.13%.Bottom LineTo learn more about this product and other ETFs, screen for products that match your investment objectives and read articles on latest developments in the ETF investing universe, please visit Zacks ETF Center.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Invesco S&P 500 Equal Weight Utilities ETF (RYU): ETF Research Reports Ameren Corporation (AEE): Free Stock Analysis Report NextEra Energy, Inc. (NEE): Free Stock Analysis Report Eversource Energy (ES): Free Stock Analysis Report Utilities Select Sector SPDR ETF (XLU): ETF Research Reports Vanguard Utilities ETF (VPU): ETF Research Reports To read this article on Zacks.com click here. Zacks Investment Research