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GE Power & WaterDistributed Power
Growing your greenhouse business faster with gas engines. Our combined heat and power engines can increase the efficiency and profitability of your greenhouses. Because it‘s not just your plants that need to grow.
GE Power & WaterDistributed Power
Although the greenhouse horticulture industry is growing rapidly,
greenhouse growers and plant owners face substantial challenges,
too: increasing production costs, access to cold storage, lack of proper
transportation infrastructure, and growing governmental regulations.
As a result, you need ways to increase the efficiency of your horticul-
ture production while meeting new governmental requirements.
GE’s Jenbacher combined heat and power (CHP) systems not only
provide electricity for onsite or public grid use, but also heat and CO2
to fertilize plants and meet the requirements of an efficient greenhouse.
By increasing the intensity of the artificial lighting that is found in some
greenhouses, plants absorb even more CO2. Plant growth and the
subsequent harvest yield can be significantly increased by enriching
the greenhouse environment with CO2, keeping the temperature
constant, and providing sufficient lighting.
The Greenhouse Horticulture Industry
A global increase in both food demand and environmental awareness has led to a rapid rise in the greenhouse horticulture industry. That is because greenhouses today have the ability to simultaneously increase the viability of their crops and effectively control carbon dioxide (CO2) emissions. GE’s technology can provide you with heat, electricity and CO2 fertilization, increasing your greenhouse’s total efficiency, profitability and plant production. Today, more than 1,000 Jenbacher cogeneration units with CO2 fertilization have been installed worldwide, providing about 1,900 MW of power.
Facing significant challenges
Faster growth with gas engines
How does combined heat and power work in greenhouses?
The Jenbacher concept
The energy created by gas engine cogeneration systems in green-
houses can be used in various ways. The electricity can provide the
power for artificial lighting and/or be fed into the public grid. And
while the heat can efficiently meet the greenhouse‘s requirements,
the CO2 from the engine exhaust gas can help fertilize the plants.
That is because the exhaust from gas engines burning natural gas
contains approximately 0.2 kg of CO2 per kWh of energy input.
After the purification of the exhaust gas with special catalytic
converters (SCR and oxidation catalytic converters), it is cooled down
by a heat exchanger to approximately 55°C and supplied to the green-
house for CO2 enrichment. A device that constantly measures the
exhaust gas levels helps ensure the vegetation’s safety.
GE Power & WaterDistributed Power
Our compact modular design creates a small
footprint and can be adjusted to your spatial
requirements.
Produced thermal energy can be stored for
use as needed. Electricity can be fed into the
public grid or used for artificial lighting,
and we offer an optional full island lighting
control system.
Jenbacher greenhouse technology advantages
Framework requirements
GE Power & WaterDistributed Power
• Efficient operation is possible with approximately 1 hectare (2.47 acres) or larger greenhouses
• CO2 fertilization is suitable for all crop types while artificial illumination is primarily suitable for vegetables (such as tomatoes or peppers) and flowers (such as chrysanthemums or roses)
- CO2 fertilization with simultaneous heat supply: dimensioning for 0.5 MWel/ha
- CO2 fertilization with simultaneous heat supply and illumination: dimensioning for 0.35 MWel/ha
Our system takes less than 12 months to
construct and can achieve overall efficiency
levels of 95 percent or more.
Higher efficiency
With 50 percent less heat output than
a boiler, the CO2 level can be doubled for
crop efficiency increases up to 140 percent.
CO2 fertilization
Standardized design
Flexible power
CO2 captured during power production
helps increase crop production.
Lower emissions
With our standardized greenhouse cogeneration technology, the
Jenbacher gas engine, catalytic converter, heat exchanger and
all balance of plant equipment and controls are provided in one
convenient package. GE’s greenhouse experts can help develop
your balance-of-plant specifications as well as perform engineering
and site and design work to meet your spatial requirements.
Our standardized package makes your service experience easier,
too, since the generator and all other installations can be removed
at the same time.
GE’s convenient greenhouse package
GE Power & WaterDistributed Power
GE’s Jenbacher gas engines Greenhouse cogeneration product range
GE’s Jenbacher gas engines have a track record of more than half a century and over 13,500 installations. The main production facility, located in Jenbacher, Austria, leads the development and production of gas-fueled reciprocating engines, packaged generator sets, and cogeneration units for the efficient generation of power and heat. GE’s Jenbacher gas engines range in power from 200 kW to 9.5 MW, and run on either natural gas or a variety of other gases (e.g., biogas, landfill gas, coal mine gas, sewage gas, combustible industrial waste gases).
Type 3 500 kW – 1 MW
0.5 MW Reciprocating engines 10 MW
Type 4 800 kW – 1.5 MW Type 6 1.5 MW – 4.4 MW Type 9 9.5 MW
Complete installationServiceBalance of PlantJenbacher gas engine
+ + =
- Operating income increased by 62 percent through
sales of excess power
- Installed system cost was $7 million, 80 percent of which
was debt-financed at a 6 percent interest rate for 10 years
- Pre-tax payback is projected at 4.7 years
Profits shown are based on a 25-acre (10-hectare) tomato greenhouse in the U.S.
The economic benefits of the CHP solution for greenhouses can be
seen at a 25-acre (10-hectare) tomato greenhouse in the U.S. when
compared to an installation with natural gas-fired boilers. The green-
house illustrated here has installed a Jenbacher J624 gas engine with
two-stage turbocharging and an output of 4.35 MW. It runs 6,600 hours
per year and has heat coverage of 73.5 percent.
A smart addition: Economics from Greenhouse CHP
The following case study, based on a real project in the U.S., highlights the economic benefits of the CHP solution for greenhouses. Please note that results may vary according to local conditions, such as incentives and gas prices.
The breakdown
Before After
GE Power & WaterDistributed Power
GE Power & WaterDistributed Power
*Trademark of General Electric Company
GE’s Greenhouse Center of Excellence in the Netherlands provides
online monitoring and diagnostics to more than 1,000 greenhouse
cogeneration facilities around the world. It is also home to our 24-hour
global hotline.
In addition, myPlant* enables us to monitor and control your global
fleet of Jenbacher gas engines. myPlant technology transmits
sensor data back to our enterprise servers so that we can calculate
your plant’s operational state, predict faults and analyze any issues.
The data also provides a complete history of your Jenbacher gas
engines, which helps us more quickly and accurately diagnose any
problems. More than half the time, we are able to restore your
engines to service without even sending an engineer to the plant.
In addition to our remote diagnostic capabilities, GE’s myPlant
technology allows you to monitor the operational state of your
global fleet of Jenbacher gas engines from a single integrated,
user-friendly platform.
Remote monitoring and diagnostics
GE’s full range of service offerings can increase the availability and productivity of your plant. We support your gas engine needs by providing the right service at the right time through-out the entire operating life of your Jenbacher engines – flexibly, conveniently and efficiently. Our strong customer focus, value-added offerings, local support, and remote service capabilities are the keys to your satisfaction – and your success.
Reference
GE Power & WaterDistributed Power
At GE, our tradition is innovation. Working with the Dutch
horticulturalists who pioneered CO2 fertilization in greenhouses,
we have based our worldwide Center of Excellence for cogeneration
in greenhouses at our facility in the Netherlands. In addition, we have
three other global research centers at our disposal. Plus, more than
400 engineers continuously work on the technological development
of reciprocating engines. Their task is to develop more flexible,
efficient, powerful and reliable energy solutions – always with
your needs in mind.
The NetherlandsKelvinring 582952 BG AlblasserdamT +31 (0)88 0019700F +31 (0)88 [email protected]
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20 1000100
GE Power & Water’s Distributed Power is a leading provider of power
equipment, engines and services, focused on power generation at or
near the point of use. Distributed Power’s product portfolio includes
highly efficient industrial reciprocating engines and aeroderivative
gas turbines that generate 200 kW to 100 MW of power for
numerous industries globally. Headquartered in Cincinnati, Ohio,
Distributed Power employs more than 4,500 people around the world.
GE Power & WaterDistributed Power
For more information on Jenbacher gas engines: www.ge-distributedpower.com
Main production facility for Jenbacher gas engines, Jenbach, Austria