How Renewable Energy Firms Are Dominating Canada’s Corporate Sustainability Rankings

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The 2025 edition of Corporate Knights’ Best 50 Corporate Citizens reveals a striking trend: renewable energy companies aren’t just participating in the green economy—they’re defining it. Four firms—Boralex Inc., Innergex Renewable Energy, Polaris Renewable Energy, and Greenlane Renewables—each achieved a perfect 100% score in both sustainable revenue and sustainable investment.

These companies stand apart for deriving their entire income from environmentally beneficial activities while reinvesting all capital into clean energy development. It's not a theoretical commitment—it's a business model.

“The future isn’t some distant concept for these firms—it’s their core operating principle,” said Toby Heaps, CEO of Corporate Knights.

Top 10 from the 2025 Best 50 Corporate Citizens

Corporate Knights sustainability leaders

2025 Rank 2024 Rank Company Sector Grade
115Boralex IncUtilitiesA+
22Stantec IncIndustrialsA-
34Innergex Renewable Energy IncUtilitiesA-
43The Co-operatorsFinancialsB+
56Royal Canadian MintMaterialsB+
611Toronto Hydro CorporationUtilitiesB+
75WSP Global IncIndustrialsB
81Société de transport de MontréalIndustrialsB
99Wheaton Precious Metals CorpFinancialsB
1019BCE IncCommunication ServicesB

These renewable leaders are part of a broader but uneven shift across Canadian corporate sectors. While the Best 50 companies average 41.3% sustainable revenue and 56.4% sustainable capital investment, the average among the broader corporate landscape lags far behind—just 9.5% and 8.7%, respectively.

This contrast underscores how the renewable energy sector is already operating in the future that others are only beginning to imagine.

In Corporate Knights’ methodology, sustainable investment is one of the most heavily weighted KPIs—viewed as a leading indicator of long-term commitment rather than past performance. That all four top-ranking renewable firms scored 100% in this category suggests they are not just aligned with decarbonization goals; they are actively building the infrastructure of a net-zero Canada.

As global and national climate targets come under increasing scrutiny, Canada’s renewable energy firms offer more than just megawatts—they provide a blueprint. With consistent capital deployment into clean technologies and full alignment of operations with sustainability principles, these companies are reshaping the benchmarks for corporate citizenship.

Environment + Energy Leader