As of February 27, 2019, Invesco Exchange-Traded Fund Trust - Invesco WilderHill Progressive Energy ETF has gone out of business. Invesco Exchange-Traded Fund Trust - Invesco WilderHill Progressive Energy ETF is an exchange traded fund launched and managed by Invesco Capital Management LLC. The fund invests in public equity markets of the United States. It invests in stocks of companies operating across energy, utilities, hydroelectric power generation, alternative energy resources, alternative fuels, fuel cells, biofuels, independent power and renewable electricity producers, renewable electricity sectors. It invests in growth and value stocks of companies across diversified market capitalization. It seeks to track the performance of the WilderHill Progressive Energy Index, by using full replication technique. Invesco Exchange-Traded Fund Trust - Invesco WilderHill Progressive Energy ETF was formed on October 24, 2006 and is domiciled in the United States.