It added fresh uncertainty to an industry seen by supporters as a way to help end the burning of planet-warming fossil fuels, but derided by opponents as inherently unworkable without massive financial subsidies.

The Danish company said Tuesday night it is scrapping its Ocean Wind I and II projects off the coast of southern New Jersey due to problems with supply chains, higher interest rates, and a failure to obtain the amount of tax credits the company wanted.

“These are obviously some very tough decisions,” Mads Nipper, Orsted’s CEO, said on an earnings conference call Wednesday.

He said the company, the world’s largest offshore wind developer, decided “to de-risk the most painful part of our portfolio, and that is the U.S.”

That statement went straight to the heart about concerns over the financial viability of the offshore wind industry in the northeastern U.S., which is in its infancy but has extensive plans from New England to the Carolinas.

Some projects already have been canceled, and many offshore wind developers are seeking better terms from governments with whom they have already contracted. New York rejected such a request two weeks ago.

New Jersey approved a tax break for Orsted in July, letting it keep federal tax credits that otherwise would have gone to ratepayers.

“While periodic local opposition in the U.S. made some headlines, these projects ultimately come down to economics, so higher costs and lower power prices are working against offshore wind,” said Louis Knight, an analyst at Third Bridge, a research firm advising private equity and other businesses. “Higher interest rates are adding to financing costs for these projects. There are other, cheaper ways to develop power in the U.S., most notably with solar and natural gas.”

But the main appeal of offshore wind for supporters, including environmentalists, many state governments and the Biden administration is precisely that it is not a fossil fuel business. The hottest Northern Hemisphere summer ever measured hit this year, according to the World Meteorological Organization and the European climate service Copernicus.

“The urgency to transition to clean, renewable energy is an irreversible reality,” read a statement signed Wednesday by nearly 40 environmental, labor and community groups from New Jersey who support offshore wind, including the state’s chapter of the Sierra Club. “In a world of warming temperatures and extreme weather in likely the hottest year on record, maintaining the status quo of fossil fuel generation is not an option as the cost of climate inaction is undeniably high.”

Orsted’s stock price was down over 26% at midday Wednesday. The company said it hopes to re-use some supplies it has already purchased, such as cable and steel, on other projects.

Power generated from the Orsted projects was intended to come ashore and connect with the electrical grid at the site of a former coal-fired power plant that was blown up last week.

The industry also faces stiff political headwinds, in New Jersey and nationally, most of it from Republicans, who have convinced the U.S. Government Accountability Office to look into the industry.

Rep. Jeff Van Drew, a Republican who represents the area in southern New Jersey where Orsted’s wind farms would have been built, exulted in the decision to scrap the projects.

“David defeated Goliath!” he said in a statement late Tuesday night, calling wind farms bad for the economy, the environment and electric customers.

Numerous resident groups also opposed the projects, citing similar concerns, and said they do not want to see the ocean horizon dotted with wind turbines.

“Without billions of dollars in tax breaks and subsidies, these projects never made sense and could not stand on their own,” said Robin Shaffer, a spokesman for Protect Our Coast NJ, one of the most vocal opposition groups.

Despite the challenges, some wind projects are moving forward. Orsted said it is proceeding with its Revolution Wind project in Connecticut and Rhode Island.

In Virginia, a utility’s plans for an enormous wind farm off that state’s coast gained key federal approval Tuesday. Dominion Energy received a favorable “record of decision” from federal regulators who reviewed the potential environmental impact of its plan to build 176 turbines in the Atlantic, more than 20 miles (32 kilometers) off Virginia Beach.

Pro-wind groups including the American Clean Power Association and the Oceantic Network acknowledged the setback posed by Orsted’s cancellations. But both were heartened by progress on the Virginia project and Orsted’s decision to continue with Revolution Wind, and both said the future of the industry is promising.

And New Jersey still has several other offshore wind projects in various stages of development, with four new proposals submitted in August alone. They join the one remaining project of the three originally approved by the state, Atlantic Shores. That is a project by Shell New Energies US and EDF Renewables North America.

Atlantic Shores said Wednesday it remains committed to its project, though it hinted in a statement that it, too, is seeking additional help.

“We are actively engaging in conversations with the administration, regulators, and elected leaders across New Jersey to identify viable solutions that will not only preserve the progress made thus far, but also facilitate the successful execution of Atlantic Shores Project 1,” the company said.