New Jersey state regulators are reconsidering placing floating solar farms on public water resources.
One project on the Wanaque Reservoir is back in development after the renewable energy initiative was stalled by administrative delays. It also has the backing of environmental officials, which comes with a major state financial incentive.
The utility’s operators are now faced with scaling up solar power generation on water reserves intended for drinking while protecting local wildlife at the same time.
How a key administrative waiver halted floating solar expansion
Passaic County in New Jersey is the home of the Wanaque Reservoir, relied on by millions of residents for potable water. The body has a surface area of more than 2,000 acres and is managed by the North Jersey District Water Supply Commission (NJDWSC).
The commission had big plans in 2024 to build a floating solar array on the open water of the reservoir. But state regulators rejected a key program waiver, citing concerns over water quality, operational oversight, and clean energy stipulations.
A solar power installation would not have been an entirely new undertaking for the NJDWSC. It had already installed rooftop panels on top of its filtration facilities in 2011, with an output capacity of 240 KW.
Moving to open water comes with strict environmental standards.
The denial of permission to progress in 2024 meant private investment was halted. The commission started looking for an approved regulatory angle that would reassure state regulators of the protection of the aquatic system and water purity.
An incentive award with permission to scale
The Competitive Solar Incentive Program’s third round saw the New Jersey Board of Public Utilities award a 10-megawatt incentive in March 2026. This has revived the project, aligning with state targets to increase local generation and maintain manageable electricity prices.
If completed, the Wanaque Reservoir Floating Solar Project would become the largest floating solar installation in the United States.
Two of the main benefits of floating solar arrays are that land use disputes are avoided while using the natural temperature of the water to keep the photovoltaic equipment cool.
The board had ratepayers in mind when it set capacity allocations and price caps across the solar bidding process. These measures prevent overcharging and control how much solar power is approved.
The commission now has the financial framework to take the next step and advance engineering designs. Yet securing state funding is only the beginning, because construction on open water involves specific ecological requirements.
Meeting avian protection standards and mitigating anchoring impact
For engineers, one of the main considerations is making sure that the solar arrays are secured with minimal disturbance of wildlife, especially protected species.
The Wanaque habitat is home to breeding bald eagles. One nest in the region that has been monitored since 2005 has seen 16 chicks reared. There are also golden eagles that use the waters for hunting and bald eagles that visit the area just for the winter.
It takes a heavy anchoring system in the reservoir bed to stabilize a 10-megawatt solar array against wind and water currents.
Environmental monitors caution that bed disturbance, cable installation, and heavy machinery noise could alter shoreline access or disrupt eagle foraging routines during critical feeding months.
The North Jersey District Water Supply Commission is working alongside state conservation officers to enforce strict physical buffer zones and seasonal noise limits during any potential construction phases.
Securing the state incentive does not guarantee final approval
Project developers still have to prove that underwater anchors and structural components will leave active nesting territories undisturbed over multi-year monitoring periods.
For utility operators, fitting clean energy infrastructure into sensitive ecosystems remains an ongoing testing ground, with similar environmental evaluations now guiding solar proposals near coastal bird migration paths.
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