Experimental bathtub: the remote lake island trying wave power to boost energy security
Wave Energy Innovation Brings Power Security to Remote Island Communities
Experimental bathtub - Beaver Island occupies a strategic position at the northernmost tip of Lake Michigan, sitting approximately 70 miles away from the Canadian maritime boundary. This heavily forested landmass, which exceeds San Francisco's area, welcomes visitors each summer while supporting roughly 600 year-round inhabitants. Reaching this isolated destination demands either a vessel or aircraft journey. Securing consistent electrical supply proves considerably more challenging than transportation.
Electricity reaches the island through submarine cables traversing nearly 30 miles beneath the lake's surface. Severe weather conditions frequently trigger power disruptions, as do malfunctions within these delicate transmission lines. Last year's catastrophic ice storm demonstrated this vulnerability, leaving the island without electricity for multiple weeks. Such experiences have motivated locals to pursue alternative energy generation closer to home. Fortunately, the surrounding waters offer an abundant resource: ocean waves.
Prototype Devices Show Promise
During June, University of Michigan research teams assembled along the coastline to install two wave energy conversion units. These experimental devices resemble miniature vessels constructed with PVC pipe frameworks, each measuring approximately the dimensions of a yoga exercise ball. Initial demonstrations proved successful, with the prototypes illuminating a lightbulb and recharging a smartphone simultaneously.
This initiative represents one of numerous nationwide attempts to harness renewable energy sources for improving reliability in isolated locations. Local residents emphasized that establishing dependable electricity for the airport ranked among their highest priorities. Lei Zuo, an engineering professor at the University of Michigan serving as the project's lead researcher, explained:
We need to work with the community together to identify the need and design together with them.
Several island families already utilize solar panels or geothermal systems for their residential and commercial energy needs. The community previously secured federal assistance to enhance renewable energy access. However, similar initiatives and grid modernization strategies confront an unpredictable future as the Trump administration withdraws various grants and programs, prompting concerns about long-term financing mechanisms.
Broader National Context
Remote communities throughout the United States are simultaneously pursuing reliability improvements. Galena, Alaska serves as a notable example, investing heavily in solar and biomass technologies to decrease diesel fuel dependency while creating emergency backup capacity during extreme weather events. Beaver Island intends to follow a comparable approach.
Seamus Norgaard, a summer resident of the island, articulated the community's motivation:
It's a combination of looking at cost savings and also wanting to be independent and not dependent on the mainland for everything.
He additionally highlighted environmental considerations as another driving factor.
Beaver Island joins other communities seeking enhanced energy autonomy. Adjuntas, Puerto Rico residents constructed a community-owned solar microgrid following Hurricane Maria's devastation. This system maintains electricity flow when the island's aging grid inevitably fails, establishing a template for other regions pursuing locally generated power solutions.
Challenges and Opportunities Ahead
Dan Hellin, director of PacWave—an offshore testing facility located in Oregon—suggested that while waves may not serve as exclusive power sources for most communities, regional compatibility remains crucial.
Finding something that works within the region is critical,
he noted.
It's developing a whole suite of renewables and applying them based on local conditions.
Despite demonstrating considerable potential, wave energy technology faces adoption barriers including high costs and deployment complexity. The technology remains relatively novel, lacking standardized designs according to Hellin. Financial support presents another obstacle, with most American wave energy initiatives relying on federal government contributions.
The Michigan experiment received backing from National Science Foundation grants awarded two years prior. Marine energy, classified under hydropower, has avoided some of the Trump administration's skepticism toward renewable sources.
It's not on the radar in the same way,
Hellin observed. Early in his second presidential term, Donald Trump designated hydropower among domestic energy sources receiving regulatory fast-tracking and administrative support. The Department of Energy's rebranded Hydropower and Hydrokinetic Office announced plans to utilize $220 million appropriated by Congress for continued research and development in this sector.
The University of Michigan wave project contributes to growing momentum across multiple regions seeking to advance wave power technology for future energy security.