In the North
© 360 Energy Inc 2012
Agenda
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Introduction
Energy used by Greenhouses
Why pursue energy management
What steps need to be taken
Who needs to be involved
Energy!Management!
Development!Curve!
Spectator
Player
Leader
Star
Level 2
Level 3
Level 4
Beyond the
basics
Comprehensive
energy
management
Competitive
advantage
from energy
management
Middle 5-20%
Top 1-5%
Top 1%
Level 1
Awareness &
compliance
Bottom 80%
10 to 35% annual reduction of energy costs
© 360 Energy Inc 2012
Greenhouse energy
!
!
!
Energy:!20"40%!of!production!costs!(depending!on!fuel!used)
Typically!the!second!largest!operating!cost!for!a!Greenhouse
Prices!for!energy!and!product!can!be!volatile
Greenhouse energy use: greenhouse physics
Convection and
radiation from cover
1500 MJ
Total by ventilation:
2300 MJ
Total energy in: 4000 MJ
(Sensible and Latent
heat by ventilation,
leakage and
dehumidfication)
Inside
2400 MJ
Photosynthesis:
50 MJ
Total energy loss: 3950
MJ
Soil
150 MJ
Boiler or CHP
1600 MJ
Greenhouse Benchmarks
Source: Carbon Trust - 2004
© 360 Energy Inc 2012
Make Energy Management part of the daily management activity
© 360 Energy Inc 2012
Developing!Energy!Management!Procedures
Business
Integration
Equipment
Efficiency
Energy Use
in
Greenhouse
Energy Data
Management
Energy Supply
Management
© 360 Energy Inc 2012
8
Performance of
Energy Savings
Measures
Integrated Approach for Greenhouses
Electric
utility
Fuel
Utility
Marketing
Academia
Engineering
Finance
Control company
Growing
consultant
Admin.
Operations
Contractor
Industry
Associations
© 360 Energy Inc 2012
The Journey - Results
Source: Carbon Trust - 2004
© 360 Energy Inc 2012