The Motley Foolยท2025-11-04 08:32Core Insights - The clean energy industry is experiencing a resurgence as investors focus on technologies that support the AI boom, with a notable increase in the Invesco WilderHill Clean Energy ETF's performance over the past six months [1][2]. Industry Overview - The Invesco WilderHill Clean Energy ETF has gained over 125% since April, with more than half of its 63 holdings seeing gains between 60% and 600%, while only six stocks posted negative returns [2]. - The ETF, which has been trading since 2005, has rebounded significantly from a low of approximately $13 in April 2023, following a four-year decline of 90% [4][5]. Market Catalysts - Key factors driving the clean energy industry's revival include the end of a prolonged market sell-off, expectations for lower interest rates that benefit capital-intensive businesses, and increased demand for clean energy from AI data centers and electric vehicles [5][6][7]. - The shift in investor sentiment has been strong enough to counteract potential regulatory risks and policy shifts, with a renewed focus on high-tech energy solutions [9]. Company Performances - Bloom Energy has led the sector with a 600% increase in stock price over six months, reporting record third-quarter sales of $519 million, a 57% year-over-year increase, and adjusted EPS of $0.15 [10][11]. - Navitas Semiconductor has seen a 550% gain, focusing on power management chips for AI data centers and electric vehicles, with a market cap of $2.7 billion and projected profitability not expected until 2028 [12]. - Amprius Technologies, specializing in lithium-ion batteries for aviation and electric vehicles, has increased over 460% in stock price, with a market cap of $1.5 billion and a strong track record of beating sales estimates [13][14].