Efficiency
A greenhouse in Sydney River, NS is using an experimental infrared heating system that the owners claim is cutting heating costs by at least 50 per cent.

Next month, many seminars, displays and hands-on demonstrations of cutting-edge greenhouse energy management technology will be part of Horti Fair 2012, “the biggest international trade fair for technology, innovation and inspiration in horticulture.”

For the first time, CHP suppliers will be present at the Union Gas 'Greenhouse Growers Trade Show and Open House' on September 19th in Leamington, ON. There is no cost and lunch is included.

A new Energy Edge feature story explains how to manage boiler systems for top efficiency – and how to review the best options for timely upgrades.

On August 29th, 2012, ten winners of the Premier’s Award for Agri-food Innovation Excellence were announced. Three relate to greenhouse production.

A greenhouse expert says improved efficiency measures, especially in ventilation, could cut energy costs 30-40 per cent in Australian hydroponic greenhouses.

Certification programs that closely examine energy efficiency, water use, fertilizer input, waste processing and more are increasing in number in Canada and the US – and so is the number of greenhouse operations getting certified.

California-based LumiGrow LED greenhouse lighting company is now offering a ‘Fall 2012 pilot program’ available in Canada as well as the US. The program involves an assessment of a grower’s present greenhouse environment, crops and objectives, followed by a recommended lighting plan and its implementation.

Yesterday, GE and Houweling’s Tomatoes unveiled the first US combined heat and power (CHP) greenhouse project that captures carbon dioxide for use in plant fertilization. Two GE 4.36-MW Jenbacher J624 turbocharged natural gas engines and a CO2 fertilization system provide inputs to Houweling’s 125-acre tomato greenhouse in Camarillo, California.

Featuring an urban vegetable greenhouse design that integrates solutions for energy, excess heat and CO2 from industry, waste and water, the first ‘Plantagon’ greenhouse is under construction in the city of Linkoping, Sweden. The building of the vertical farm began in February 2012 and the first crop is expected in 2013.

While new boiler systems are easier to manage than older ones, many greenhouse operators are still
managing their older systems
The Canadian Energy Efficiency Alliance (CEEA), which calls itself “the leading independent voice in Canada to promote and advance energy efficiency and its related benefits to the economy and the environment,” announced a new President and CEO this week.


Bayer CropScience has just opened a new three-story, 60,000 ft2 greenhouse research facility in North Carolina that was built with sustainability in mind --- a 70,000 gallon underground water storage tank for collected rainwater, for example, will reduce consumption of potable water for irrigation by approximately 700,000 gallons annually.

Jewett City Greenhouses & Florist in Jewett City, Connecticut has received an $18,000 grant through the US Department of Agriculture's ‘Rural Energy for America Program’ as well as a grant from the State of Connecticut to improve its energy efficiency.

Energy Edge has exclusive details on a recently-opened energy-innovative greenhouse in Minnesota that integrates algae-produced bio-diesel and aquaculture. It’s part of the Silver Bay Eco-Industrial Business Park, and the University of Minnesota is a project partner.

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