Monday, July 15, 2024

Arizona farmers flip to photo voltaic panels to shade crops, save water and generate energy – Cronkite News

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For 31 days in a row final summer season, temperatures in Phoenix hit or topped 110 levels, the longest such streak has ever occurred. That scorching warmth in Arizona dehydrates crops and evaporates water that the state must preserve.

Creating shade is one option to fight the issue.

By utilizing photo voltaic panels, farmers can concurrently shield their crops, save water and decrease their vitality payments — and a few are doing that with assist from federal packages designed to this sustainable technique of progress shall be inspired.

Photovoltaic panels are positioned over the crops, harnessing the solar’s vitality whereas offering invaluable shade.

“Solar arrays … assist shade and assist cut back our water use and enhance our water-use effectivity, which is essential in locations like New Mexico and Arizona,” mentioned Derek Whitelock, supervisory agricultural engineer on the US Department of Agriculture. “The crops do not want as a lot solar as they do right here within the West.”

Three-quarters of Arizona’s water provide goes to agricultural irrigation, based on the Arizona Department of Water Resources. The Colorado River Basin is in a Tier 1 water scarcity, requiring restrictions for agricultural customers. As the drought continues, farmers are in search of new sustainable strategies of rising.

The University of Arizona, in partnership with the US Department of Agriculture, has created an agrivoltaics analysis web site to check ways in which photo voltaic farming can profit Arizona.

“You get important water financial savings,” mentioned Greg Barron-Gafford, the UArizona professor main the trouble.

A examine led by Barron-Gafford discovered that when watering day by day in an agrivoltaic plot, soil moisture stays 15% larger than in a close-by plot with out photo voltaic panels.

Some crops truly produce extra water. Cowpea beans, for instance – often known as black-eyed peas – have the next yield when grown within the shade of photo voltaic panels. A full day requires twice as a lot water, it seems.

“Agrivoltaics truly helped us get extra seed manufacturing as a result of now we’re offering shade, so they are not pressured,” Barron-Gafford mentioned.

The nonprofit group Growing Green is constructing an agrivoltaic plot at Spaces of Opportunity, a 19-acre neighborhood farm in Phoenix.

Its small 4.8 kW system produces about 40% of the farm’s complete vitality wants, with an anticipated discount of 17,000 lbs of carbon per 12 months in comparison with standard energy technology, says Sarah Bendok, founding father of Growing Green, and with many panels, “it may be principally. energy all on the farm. They have a chilly storage the place they put all their merchandise that they wish to retailer, the lights, the loos, principally all the things there.

“It’s an ideal feeling…to do a challenge that can profit the neighborhood and the crops and the atmosphere basically,” he mentioned.

Numerous federal packages are supposed to advertise sustainable rising practices, particularly at the side of renewable vitality methods. The Rural Energy for America Program is sending $63 million to Arizona from 2018 to 2022.

REAP offers loans and grants to farmers who make clear vitality investments. Funding from the Inflation Reduction Act, signed by President Joe Biden in August 2022, is a serious tax overhaul that features incentives for clear vitality and local weather mitigation.

Among many different provisions, the IRA affords farmers a 30% tax credit score for putting in photo voltaic panels.

The Gila River Indian Community started putting in photo voltaic panels above the Casa Blanca Canal earlier this 12 months, with $5.65 million in federal funding. Nearly 3,000 toes of the canal shall be coated, conserving water by lowering evaporation – and producing greater than 1.31 megawatts of inexperienced vitality, based on the US Department of the Interior.



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