1 Case Study 1, 09 | 2011. Solar-powered Water Pumping for Vineyard Irrigation Subject Tom Peters, Deere Run Farms Location Dufur, Oregon, USA. Application Vineyard Irrigation Irrigation method Drip system Size 30 ac Installation August 2011. The application of LORENTZ PROBLEM: The Vineyard site is two SOLUTION: Solar-powered Pumping Solar-powered Water Pumping miles from grid-power. Cost of grid-tied systems are reliable, cost-effective, systems for Vineyard Irrigation installation estimated at $200,000 high-performance, and low-mainte- has resulted in greater cost ef- plus $1,000 a month service fee and nance. LORENTZ solar pumps have the ficiency, reliability, independence 15 cents per kilowatt-hour. Occasional advantage over competing solar pumps, and sustainability when compared grid-power outages in area are known offering Pumping systems for a wide to a grid-tied power installation, to last up to a week, sometimes more.
2 Range of applications, with brushless generators or windmills. Diesel generators are expensive consid- design for improved efficiency, modular ering rising fuel prices and risk fuel-spill design for customized installations, pollution. Alternatives such as windmill easy set-up, and a reputation for pumps impose other challenges. longevity. In many cases this solution offers a comparable or lower cost com- pared to a grid-power installation, as well as offering energy independence with a low environmental impact. BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, Sun. Water . Life. v111109. Errors excepted and possible alterations without prior notice. Solar power is the When Tom Peters began investigat- and high-volume requirements of the ing Irrigation solutions for Deere Run Vineyard .
3 He also favored the LORENTZ. perfect solution for Farms' vineyards, he first considered design, having the electronics available having the local power company route at the surface (rather than attached to Irrigation . a power installation to the site. The the pump in the well), to allow visual cost of this was estimated at $200,000 inspection of the electronics if ever Tom Peters, for the installation, plus a $1,000 needed. Other benefits of the LORENTZ. Deere Run Farms monthly service and a rate of 15 cents system include the adjustable flow rate, per kilowatt-hour. These costs being brushless motor design, and ease of considered, alternatives such as AC- installation. powered pumps with diesel generators, windmills, or Solar-powered Pumping In comparison, Mr. Peters found that systems needed to be considered. the AC pumps he would otherwise need were not only more expensive Mr.
4 Peters calculated the costs and than LORENTZ pumps, but more and/or benefits of these alternatives. The larger AC pumps would have been re- expense of fuel and associated labor quired to match the production and lift for refueling was a big negative when of the LORENTZ systems. Even though considering diesel generators, whereas the solar array added about 20% to the windmills produce too low a volume overall cost, considering the longevity for watering the acreage required. The of solar modules compared to the con- solution had to be either grid-tied or tinuous costs for diesel or grid-power, solar-power, the initial costs of which solar still remained the most favorable were similar. In considering the pros and cost-effective solution. and cons of each, it was apparent that Solar-powered Pumping systems were Deere Run Farms is located in an area the best choice for being cost-effective, of low rolling hills and valleys.
5 Water low-maintenance, reliable and long- is pumped from the wells in the valley, lasting. up the hillside about 200ft, to where the Water is stored in a 350 thousand When comparing the various solar- gallon concrete cistern. Using 4,900. powered pumps on the market, Wp solar arrays, two LORENTZ pumps LORENTZ stood out above their are used, which can together lift over competitors. Mr. Peters found that 24 thousand gallons per day (yearly LORENTZ offers a much wider range of average) up the hill and into the cistern. Pumping systems to satisfy the high-lift From the cistern an additional LORENTZ. BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, Sun. Water . Life. v111109. Errors excepted and possible alterations without prior notice. pump is used to pressurize the drip Mr. Peters also opted to integrate back- Mr.
6 Peters has put LORENTZ to the test, Irrigation on 30 acres of 2-month-old up power accessories with his LORENTZ giving him the confidence he needs to vines, with an additional lift of 20ft. systems. The use of the LORENTZ AC expand his Vineyard with the help of Power Packs allows both the potential these systems. Additional pump systems While it was possible to pump directly to boost the production of his system will be installed to provide Water for from the well, up the hill, and into the in the event of inclement weather or additional acreage, and in two to three drip system, Mr. Peters opted to imple- atmospheric attenuation, or to pump years Deere Run Farms will be produc- ment a cistern for additional benefits outside of sunlight hours if necessary. ing some of its first grapes. including storing a large volume of Whenever this may be the case a diesel Water and gravity feeding for irriga- generator will provide power to the Thanks to the success of LORENTZ.
7 Tion of the lower parts of the Vineyard . Power Pack, which converts the power Pumping systems, Deere Run Also, future developments at the site to DC for the pump systems. Farms is the first and only 100%. including bottling facilities and a house Solar-powered Vineyard in the will be able to benefit from the stored state of Oregon. Water . Upper planting zones Cistern PS4000 C-SJ17-4a PV Generator partly above the cistern 350,000 USG pumps at up to 110 GPM 20 ft uphill 28 PV modules, together XXX kWp 10 ac from the cistern to the upper part of the Vineyard on a single custom 750 plants per ac fixed- ground-mount rack pressurised drip Irrigation PS4000 Controller 2x PS4000 Controller Lower planting zones below the cistern 2x PS4000 C-SJ5-25. 20 ac provide XXX m3/day 2 sets of PV generators 750 plants per ac Pumping the Water up from a 60 ft deep well 2x 56 PV modules, together XXX kWp drip Irrigation by gravity flow then 200 ft up the hill on 8 fixed-pole-mount racks LORENTZ has more pumps to choose from, especially for higher lift and volume.
8 Other solar-pumps seem limited in scope - more for domestic use.. Tom Peters BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, Sun. Water . Life. v111109. Errors excepted and possible alterations without prior notice. ABOUT. GenPro Energy Solutions, LLC. GenPro Energy Solutions is a Master Distributor of LORENTZ Solar Pumps serving over 200 dealers in the United States, Canada and the Caribbean. Our product line consists of balanced and integrated renewable energy systems, which combine dependability, efficiency and economy. Our quality power products are available in a wide range of configurations, including solar, wind and hybrid power generating systems. LINKS. BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, Sun. Water .
9 Life. v111109. Errors excepted and possible alterations without prior notice.