As demand for clean energy escalates amid rising electricity prices, the Great Lakes region is poised to become a pivotal player in renewable energy generation. With innovative submersible hydroelectric technology launching soon, this area, known for its abundant freshwater resources, may significantly contribute to the region’s energy needs.
Harnessing the Power of the Great Lakes
Home to some of North America’s largest urban centres, including Chicago, Toronto, Montreal, and Detroit, the Great Lakes are experiencing a surge in electricity demand. While the lakes themselves lack substantial tides or currents, the rivers connecting them provide an opportunity for harnessing hydroelectric power. The Ocean Renewable Power Company (ORPC) is spearheading this effort with plans to install hydroelectric devices on the St Lawrence River in Montreal, marking its first foray into urban hydropower.
Stuart Davies, CEO of ORPC, expressed optimism about the potential of the St Lawrence River, stating, “It is one of the best opportunities in North America for our technology because it has consistent, high-velocity water for hundreds of miles. In the Montreal area, there’s 60-90 megawatts of resource potential alone.” This innovative approach involves using carbon-fibre turbines designed to mimic the blades of traditional push lawnmowers, which will be activated by the river’s flow.
Global Trends in Marine Energy Generation
The trend towards marine energy is not confined to North America. Worldwide, tidal and current-powered hydroelectric systems are gaining traction. For instance, Scotland boasts the most powerful tidal generator, capable of supplying electricity to 2,000 homes, while Korea’s Sihwa Lake tidal power station generates approximately 550 gigawatt-hours annually, equating to 862,000 barrels of oil.
In a similar vein, Orbital Marine Power, the company behind Scotland’s tidal project, recently announced plans to deploy multiple O2-X tidal devices in Nova Scotia’s Bay of Fundy. This global momentum is echoed in ORPC’s upcoming project on a section of the Niagara River in Buffalo, New York, which is anticipated to commence later this year.
Economic Implications Amid Rising Electricity Costs
The implementation of marine energy technology comes at a critical juncture, as electricity prices across the Great Lakes region have seen significant increases. In September, the New York Public Service Commission approved rate hikes for residents in western New York, including Buffalo, with further increases slated for 2027. Similar circumstances are unfolding in states like Michigan and Ohio, where the pressures from large data storage centres are straining local energy resources.
Davies highlights the potential business applications for ORPC’s technology, particularly in light of the soaring energy demands from AI and data storage. “If you’re an industrial customer and you’re thinking about the growth of AI … we can be that 24/7 electricity resource that’s part of a baseload in normal times,” he noted, emphasising the reliability that these river systems can offer.
Environmental Considerations and Challenges
Despite the optimistic outlook for hydropower, the introduction of turbine technology in natural waterways has raised environmental concerns. Critics, including Anne KC McCooey from the Black Rock Riverside Alliance, stress the importance of responsible energy sourcing. “You can’t put something up just for the sake of harnessing energy while at the same time doing harm to the environment and the human and non-human life that depend on that environment,” she cautioned.
ORPC has countered these concerns by referencing its successful operations in Alaska, where turbines have not been found to harm migrating salmon populations. Nevertheless, the environmental suitability of various sites remains under scrutiny, with researchers investigating how to deploy technologies that can operate effectively in slower-moving waters, such as those found upstream of the Great Lakes.
Professor Michael Bernitsas from the University of Michigan is pioneering a technology known as Vivace, which can efficiently convert energy from slower currents. His research indicates that this technology could be commercially viable within two years, offering a new pathway for harnessing hydropower in the region.
Future Prospects and Investment Opportunities
The Great Lakes present unique advantages for marine energy projects, particularly due to the absence of saltwater corrosion, which plagues ocean-based systems. ORPC’s initiatives, including plans for a project on the lower Mississippi River, are indicative of a growing interest in sustainable energy solutions.
Davies noted the shifting landscape of energy funding, with the competitive edge of marine energy becoming more pronounced following changes in federal subsidies for solar and wind ventures under the recent administration. “We’ve had a lot more interest. Entities from over 70 countries have reached out to inquire about the technology,” he remarked, highlighting the potential for global collaboration in renewable energy solutions.
Why it Matters
The advent of next-generation hydropower in the Great Lakes could significantly reshape the energy landscape in North America, providing a reliable source of clean energy in a time of increasing demand and rising costs. As communities strive for sustainability, innovations in hydropower technology not only promise economic benefits but also underscore the need for responsible environmental stewardship. The success of these initiatives could set a precedent for future renewable energy projects, demonstrating the potential of harnessing natural resources in a way that balances ecological integrity with energy needs.