As the world races to meet rising power demand driven by artificial intelligence and advanced computing, cleantech is stepping into a new era of opportunity. Developing and scaling innovative energy technologies has never been more accessible or cost-efficient, thanks to breakthroughs in AI-driven design, automation and data analytics that are speeding up everything from materials science to grid optimization. While US climate finance leadership appears uncertain, Canada is emerging as a strong contender for global influence, backed by supportive policy frameworks, abundant natural resources and a deep bench of innovation-focused companies. Here’s a look at the best-performing Canadian cleantech stocks on the TSX 2025 by year-to-date gains. CSE-listed companies were considered, but none made the list at this time. Data for this article was gathered on December 16, 2025, using TradingView’s stock screener. Only companies with market capitalizations greater than C$50 million were considered. 1. Anaergia (TSX:ANRG) Year-to-date gain: 187.23…
