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Category Archives: Dams

Hydro Impacts 101: The Trade-offs

We’ve been sold the idea that hydropower is a clean, green, and non-emitting energy source.
But this is far from the truth!💔🌱

Check out this eye-opening infographic and the full report below to learn more about the hidden environmental and socio-economic costs of these projects! 🌊💰

  • Hydro impacts 101: the trade-offs

Hydro Impacts 101 – The Trade-offs




Learn about the extraordinary American Eel!

It’s a lizard, It’s a snake, It’s one of the most unique fishes in the world: the American Eel!

Known for their elongated bodies and short fins, these fish which were once very common in North American waterbodies, are now endangered. This is largely due to the presence of hydroelectric dams, which block their natural migration routes, making them unable to reach their breeding grounds in the ocean.

Learn more about their impressive migrations, extraordinary life cycle, and current conservation efforts through this short video.


ERO-019-6647 – IESO Pathways to Decarbonization Study

Greenhouse Gas Emissions from Reservoirs

The ORA will never be in favour of streamlining the regulatory, approvals and permitting processes as they were put in place to protect our natural environment and communities, and have already been significantly undermined.

Instead, we need strong and rigorous environmental assessment and robust public, Indigenous and stakeholder consultation if we are to build climate resilience into our air, land and freshwater resources.

I will briefly address my rationale and the dangers of streamlining the regulatory regime of hydroelectric facilities in particular, as it is commonly claimed by governments and industry to be ‘clean’, ‘green’ and ‘non-emitting. However, this is misleading the public at a pivotal time when we should be following the science.

Related Information:

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Hydroelectric is not a Pathway to Decarbonization or Net Zero

Dear Ministers Guilbeault, Wilkinson and Champagne,

ORA understands the urgency in fulfilling the vitally important commitment the government has made to cut GHG emissions to 40-45% below 2005 levels by 2030; however, we will present evidence from independent third-party peer-reviewed studies indicating that an effective path to decarbonization is not through hydropower.

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ORA’s first Youth Engagement event!

ORA Hydroelectric Youth Engagement-1ORA Hydroelectric Youth Engagement-2ORA Hydroelectric Youth Engagement-3ORA Hydroelectric Youth Engagement-4ORA Hydroelectric Youth Engagement-5ORA Hydroelectric Youth Engagement-6ORA Hydroelectric Youth Engagement-7

ORA collaborated with Engineers Without Borders (UW Chapter) to host a youth engagement workshop for 35 grade 11 students in St. Aloysius Gonzaga Secondary School on March 31st. The group included students from the STEM Club and from the Environment Specialist High Skills Major (SHSM) Red Seal Program. ORA offered the students a Sector-Partnered Experience (SPE) focusing on real-world environmental issues to be solved. Continue reading


Is hydroelectric a pathway to decarbonization?

Watch our video to understand how hydroelectricity is greenwashed by Ontario Power Generation as “clean” and “non-emitting” when there are hundreds of independent third-party studies to the contrary. Read our full submission here!

Please sign and share our petition to protect Ontario Rivers and send OPG a strong message! 


2023 Annual Acquisition Report – ORA Feedback

Big Falls, Trout Lake River

There are currently three pumped storage projects going through the planning and approvals process, that would add approximately 2,000 MW of electricity to the grid. Developing that same Installed Capacity from small hydroelectric projects would involve 200 – 10 MW proposals that would cause untold environmental damage to dozens of Ontario rivers.  It is imperative the province does not rush or over-reach its targets and develop new electricity projects unnecessarily.

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OPG: Proposed Coniston Generating Station Life Extension Project Environmental Report

Wherever water levels have been lifted from their former undeveloped elevation must be considered the full extent of the reservoir/s. This crucial detail is not set out in the ER; however, the full extent of the cascading facilities must be considered when detecting, measuring and reporting total GHG emissions (CH2, CH4 and N2O). This cascading system creates one very large artificial and ongoing multi-level series of reservoirs that are highly regulated through the WRWMP, and likely very high in GHG emissions.

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