The article details how dam development, including the Lower Mattagami River hydroelectric project in which Ontario Power Generation holds a significant stake, has contributed to the decline and habitat fragmentation of lake sturgeon. Although OPG emphasizes its commitment to environmental stewardship, the project has raised concerns among indigenous communities and environmentalists regarding its long‑term ecological and cultural impacts.

The Ontario Energy Board denied Ontario Power Generation's motion to review and vary its earlier decision regarding a proposed variance account intended to recover increased nuclear facility compensation costs following the overturning of Bill 124. Affected unions now plan to seek enhanced wages for periods when compensation was restrained.

Ontario Power Generation is currently engaged in mediation-arbitration negotiations with its local union representing 3,500 members. The union’s efforts to secure a fair collective agreement have been undermined by Premier Doug Ford’s Bill 124, which caps wage increases at 1%, far below inflation rates.

Ontario Power Generation has issued a response to allegations regarding the displacement of indigenous peoples linked to its hydroelectric developments. The company reiterated its commitment to reconciliation following a past grievance settlement with Lac Seul First Nation, addressing historical impacts on traditional lands.

OPG's supply chain overview page details a Supplier Code of Conduct and outlines measures to prevent forced labour and child labour, reflecting the company's commitment to ethical supply chain management and human rights protection.

Ontario Power Generation has reinforced its commitment to equity, diversity, and inclusion within its supply chain. The company detailed its Supplier Diversity program, spending targets for diverse procurement—including $18 million for diverse procurement and $58 million in Indigenous contract awards—and a comprehensive 10-year ED&I strategy aimed at promoting fair, transparent, and sustainable procurement practices.

An arbitrator handed down a new collective bargaining agreement for Ontario Power Generation on December 3, 2022. Despite wage increase caps imposed by Premier Doug Ford’s Bill 124, the agreement secures improved overtime compensation, enhanced work-from-home eligibility, a clarified redeployment process linked to the decommissioning of the Pickering Nuclear Generating Station, and a more favorable exit compensation structure including repatriation of previously outsourced IT work.