By Sara Millhouse for Resource Rural.
Broadcast version by Danielle Smith for Keystone State News Connection reporting for the Resource Rural-Public News Service Collaboration

Wholesale fruit and veggie distributor Four Seasons Produce in Lancaster County, Pennsylvania knew that efficiency all comes down to business. "Our journey started with, 'We need to cut costs,'" said Randy Groff, Four Seasons' director of facilities and energy. It didn't take the company long to turn to their utility bill as a potential source of savings.

Groff used to be "director of facilities," but energy was added to his title in 2010. That's how important energy costs are to the bottom line of a business that runs a 400,000-square-foot warehouse where fruits and veggies have to be kept cool. Storage temperatures range from 28 to 55 degrees Fahrenheit, depending on the product.

America's rural-based produce shipment companies like Four Seasons play a vital role in ensuring a steady supply of fresh food across the country, linking agricultural heartlands to urban centers. However, the sheer scale of agricultural production and distribution necessitates significant energy inputs - and plenty of hard work.

It's a "low-margin, fast-paced" business. "You have to sell a lot to make a lot," Groff said.

Groff is a 28-year employee for the family-owned Four Seasons, which started from the back of a pick-up truck at a farmer's market and now has 900 employees. The company distributes organic and conventional produce to independent retailers and chains throughout the Mid-Atlantic and Northeast. Its family of companies includes a logistics operation, a truck fleet, and imports.

Previously, Groff worked as an electrician, and he combines that experience with his "love of data" to determine how much energy and money the company is saving.

The company started with lighting retrofits and slowly worked up to larger and larger energy projects. Employees got excited about sustainability and formed a company-wide Green Team. "It just kind of took off," Groff said.

Two solar projects now produce about 35 percent of Four Seasons' energy use. Solar arrays cover the entire roof of the warehouse.

Four Seasons installed its first 1.3-megawatt solar array in 2018, utilizing a 26 percent solar investment tax credit. They recently added a second, 1.7-megawatt array, using the federal tax credit and depreciation at 37 percent. The tax credits that funded these upgrades were made available through the Inflation Reduction Act (IRA).

"Between those two, it's over a million dollars of savings just in the tax depreciation and the tax credit," Groff said. Four Seasons also received their utility's maximum rebate, adding another half-million in savings.

Another energy efficiency project added VFDs (Variable Frequency Drives) in the thousands of motors used in warehouse refrigeration. VFDs control motor speed and torque by varying the frequency of the electricity coming into the motor.

Rebates on VFDs and solar panels help make the return on investment "a no-brainer," Groff said. He suggests businesses pay attention to rebate line items on utility bills. "If you're not taking advantage of the rebate program, you're actually paying us to do it," he said.

Groff also recommends that businesses talk up-front to their utility about interconnection requirements when considering solar. It took six months after installation for Four Seasons' latest array to be fully interconnected.

During the day, the huge warehouse is totally "off-grid," Groff said. Live stats on the company's website show energy usage. "It's exciting to be able to see that graph go to zero and stay at zero, for about six hours," he said. "Come three o'clock in the afternoon, the sun's starting to go down, and we start going back on the grid."

Groff is currently exploring thermal storage as a method of capturing additional energy produced during peak sunlight and using it to offset the warehouse's peak demand hours in the middle of the night.

Four Seasons has cut its electric bills by 60 percent since 2005. It was the first refrigerated warehouse in the country to earn an Energy Star and the company's truck fleet plans to increase mileage through the EPA's SmartWay Transport Partnership. The result isn't just a reduced carbon footprint for Four Seasons. The savings ensure the integrity of America's food supply chain.

"It's funny, because it didn't really start as 'being sustainable,'" Groff said. "But yet it turned into a sustainable practice, because we've been doing it for so long."


Sara Millhouse wrote this article for Resource Rural.


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ADDITION: Comments by Enbridge, received after deadline, have been added. (10:10 a.m. MST, Jan. 22, 2025)

A new report says Enbridge's plan to build a tunnel for Line 5 between Lake Michigan and Lake Huron is too expensive and unnecessary.

The report from the Institute for Energy Economics and Financial Analysis stated the aging pipeline, which transports crude oil and natural gas liquids from Canada to the U.S., serves fewer customers and is harder to maintain. The report also pointed out the tunnel project will likely cost much more than Enbridge has admitted.

Suzanne Mattei, energy policy analyst at the Institute for Energy Economics and Financial Analysis, was the main author of the report.

"In our report, I would say conservatively, estimated that it would cost at least $500 million before it's through," Mattei reported. "But it could be more. We don't know."

The report noted Enbridge has not publicly confirmed a new cost figure and emphasized Enbridge should reconsider investing in an outdated pipeline, which could prolong the "carbon lock-in" effect, as markets for its products decline.

In response to the report, Enbridge did not comment on the cost figure, but stated it will pay all costs of tunnel construction and ongoing maintenance. Enbridge also said the prolonged regulatory approval process has delayed the process, adding to the cost.

In 2018, Enbridge estimated the project at $500 million but according to the report, by 2022, the company revealed in a corporate earnings call costs had increased to $750 million and rising. Mattei argued aside from the project's high cost, maintaining the 70-year-old pipeline could present further challenges, despite Enbridge's claim the pipe is in excellent condition based on its assessment.

"How true is that when the underwater dual pipeline had the anchor strike in 2018 and the ship's cable snafu in 2020?" Mattei asked.

Another controversy involving the Line 5 project is the tribal claim of trespass. Some Native American tribes in Michigan and Wisconsin have argued the pipeline threatens their sacred lands and water rights, potentially violating protective treaties.

In its statement, Enbridge refers to Line 5 as a "vital energy artery," and argues pipelines are safer for the environment and the climate than rail or shipping oil on the Great Lakes by barges.

Dams on the lower Snake River in Washington state are losing water to evaporation at a rapid rate, according to a new study. The reservoirs created by the four lower Snake River dams lose more than 30,000 acre feet of water each year. That's enough water for the household needs of 240,000 people, the Stockholm Environment Institute estimates.

Miles Johnson, legal director of Columbia Riverkeeper, said this is another drawback of the dams.

"This study showed that there is a hidden cost to the existence of the lower Snake River dams, and that's not to take away from any of the other well understood costs of the lower Snake River dams, which are the compromise of tribal treaty rights, impeding salmon recovery," he said.

The reservoirs from the dams have a surface area of about 30,000 acres in total. Columbia Riverkeeper and other organizations are calling for the dams to be removed to ensure the recovery of endangered species like salmon, which also impacts tribal nations. Critics argue that dams are often taken down without the input of nearby communities.

Groups opposed to removing the dams point out that they're important for irrigating farmland in the region. However, Johnson says this hurdle can be overcome.

"We can have those things alongside the services that the lower Snake River dams currently provide if we plan carefully and invest wisely in replacing those services," Johnson explained.

The study also found that the water that's lost to evaporation from the reservoirs each year could grow more than 8,000 acres of apples, or generate $3.7 million in revenue for farms in southeast Washington.

Larger livestock operations can be a thorny issue in rural areas and South Dakota lawmakers are proposing restricting feedlot details with more communities poised to debate the projects.

A Senate bill calls for updating language dealing with concentrated animal feeding operations. A provision tucked inside would bar a key state agency from providing a list to the public of existing operations already issued a permit, unless federal law said it has to be turned over. Local governments seeking information might also encounter difficulty.

Jay Gilbertson, manager of the East Dakota Water Development District, does not view the sites as a big environmental risk but still questions the move.

"It creates an impression that there's something to hide," Gilbertson contended.

The number of concentrated animal feeding operations in South Dakota has swelled to nearly 440. In the U.S., feedlots with large animal herds are under scrutiny over air and water quality concerns. Under the bill, a resident researching environmental effects would have to travel to the state Capitol to secure site records.

The bill's sponsor said it is in response to requests from national media and others seeking specific site details and to protect sensitive information from getting in the hands of "bad actors."

But policy experts tracking the movement noted local organizing is often at the center of opposition to the projects, regardless of whether an out-of-state environmental group is assisting. Gilbertson pointed out the state offers accessible databases for other facilities subject to permits, such as wastewater treatment plants, and large feedlots should not be given extra cover.

"Suddenly, when cows and farmers are involved, if you're interested, you're a terrorist," Gilbertson observed. "I think that's kind of silly."

Gilbertson is referring to the term "agro-terrorism" used by the South Dakota Department of Agriculture and Natural Resources when describing the denial of past records requests. The department noted while it doesn't prefer to share lists of existing operations online or over the phone, the public can access information when a new project is seeking a permit.


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