macdonald campus project - mcgill university
TRANSCRIPT
Macdonald Campus Energy Project
Presented by
Ron ProulxNathalie BouletJérôme Conraud
January 30, 2012
Review Committee• Associate VP, University Services • Executive Director, Facilities Operations and Development • Director, Utilities and Energy Management• Energy Manager, Utilities and Energy Management• Director, Macdonald Campus Operations
Work Group• Director, Utilities and Energy Management• Energy Manager, Utilities and Energy Management• Supervisor, Technical Services Macdonald Operations• Project Manager, Facilities Operations and Development• Consulting Firm in Energy Efficiency (Econoler)• Design Firm (Bouthillette Parizeau)
Committees
Context
Needs Opportunities Vast open space Access A Farm A Lake Residences A High School A College A Hospital...
Energy Efficiency Project Proposal..Energy Master Plan Presentation....Faculty Resolution on Sustainability …...Created Workgroup for this Project........Energy Consulting Firm joins Workgroup..........Design Team joins Workgroup............Design Team collects Data..............Integrated Solutions proposed................Seek Feedback from Community..................Develop most promising Proposal....................Tender Project(s) and Implement
Evolution2002 Dec.
2009 Nov.
2010 April
2010 April
2010 Nov.
2011 May
2011 Sept.
2011 Dec.
2012 Jan.
2012Mar.
2012 June
Goals & Scope
Provide a reliable source of energy Present a self‐funded proposal Integrate innovation Enhance sustainability Create opportunities for collaboration
Focus on energy needs of the Main Campus Budget of $4M (incl. 25% for innovation) Reduction in energy consumption of 30% Focus on engineering design solutions
Scop
eGoals
ApproachEnergy Audits
Technology Watch
Feasibility StudyFeasibility Study
Formulate ProposalsFormulate Proposals
StandardMeasures Considered
InnovativeMeasures Considered
ProposalsGoals &
Scope
Evaluation Process
Energy AuditsBreakdown of energy consumption
Air units fans22,6%
Cooling coils5,4%
Heating coils41,3%
Envelop heating5,8%
Domestic hot water0,7%
Pumps4,9%
Humidification8,2%
Lighting9,4% Process steam
1,4%
Others2,8%
Macdonald‐Stewart
Energy Audits
Macdonald‐StewartCo
mbu
stion Losses
Raym
ond
Laird
Hall
Steam Network Losses
Centen
nial Cen
tre
Barton
Glenfinna
n Rink
Parasitology
Make‐up
Water Heat. Losses
Stew
art A
thletic
Com
plex
C.I.N
.E.
Plan
t Research
Power Plant
Raym
ond Green
house
Hou
ses
Eco‐Re
side
nce 1
Eco‐Re
side
nce 2
Summerby Green
house
Pilot P
lant
Cluster C
ottage
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Cumulative En
ergy Con
sumption
Energy Con
sumption (GJ)
Macdonald Campus – Energy Consumption
Technology Watch
Conversion to Variable Air Volume system Fresh air control with CO2 sensors Conversion of heating and chilled water
pumps from constant flow to variable flow
Night setback temperature control Domestic hot water produced by heat
pumps Heat recovery on fume hoods and air
exhaust systems Centralization of fume hood exhaust
systems Installation of a floating head compressor Installation of variable frequency drives
on fan motors Heat recovery on a new chiller Upgrade of insulation on piping Heat recovery on ammonia
Installation of variable frequency drives on water tower fan motors
Installation of an efficient boiler in power plant
Dehumidification by desiccant technology
Conversion of a 100% fresh air unit into an “H” configuration ventilation system
Economizer on power plant chimney Optimization of combustion air
temperature in power plant Shutdown of power plant in the summer Upgrade of the makeup air unit Individual room temperature controls Installation of a flue gas economizer Seasonal operation of power plant
equipment and distribution network
Standard Energy Conservation Measures
Technology Watch
Solar walls to preheat ventilation air Solar collectors to heat buildings Combined PV‐solar thermal panels Transparent PV film Solar panels to preheat domestic hot
water in the residence halls Heating carpets to irrigate and heat
the seedlings in the greenhouses Conversion of hydronic network (from
hot to low temperature) Autonomous exterior lighting systems
(wind + solar) Refrigeration system using CO2 in the
arena Biomethanation using organic waste Hydrothermal energy + low
temperature network Noveko air filters Solar adsorption chillers
Building envelop (hybrid electrochromic and photochromicwindows, on‐demand insulation)
Heat recovery from waste water drains Compressed air atomizing
humidification system Marine current power Geothermal energy Aero‐thermal energy Wind power (micro turbines, turbine‐
less solution) Biomass (cogeneration, combined
solar biomass plant, psychrophileanaerobic digestion)
Thermal energy storage (mitigated water network, thermal mass, molten salt)
Ground‐to‐air heat exchange
Innovative Energy Conservation Measures
Evaluation ProcessPhysical and Environmental Adaptability
Adaptability to User Needs
Reliability
Financial Viability
Final pool of Innovative Measures to be considered
Retained MeasuresStandard Measures Centralization of fume hood exhaust
systems Conversion to Variable Air Volume
system Roof insulation Domestic hot water produced by heat
pumps Seasonal operation of power plant
equipment and distribution network Upgrade of insulation on piping Night setback temperature control Heat recovery on fume hoods and air
exhaust system Installation of a floating head
compressor Installation of variable frequency
drives on fan motors Upgrade of the makeup air unit Individual room temperature controls Installation of a flue gas economizer
Innovative Measures Solar walls to preheat ventilation air Solar panels to preheat domestic hot
water in the residence halls Heating carpets to irrigate and heat
the seedlings in the greenhouses Conversion of hydronic network (from
hot to low temperature) Compressed air atomizing
humidification system Refrigeration system using CO2 in the
arena Biomethanation using organic waste Hydrothermal energy + low
temperature network
ApproachEnergy Audits
Technology Watch
Feasibility StudyFeasibility Study
Formulate ProposalsFormulate Proposals
StandardMeasures Considered
InnovativeMeasures Considered
ProposalsGoals &
Scope
Evaluation Process
Proposal 1 – Standard Centralization of fume hood exhaust systems Conversion to Variable Air Volume system Roof insulation Domestic hot water produced by heat pumps Seasonal operation of power plant equipment Upgrade of insulation on piping and distribution network Night setback temperature control Heat recovery on fume hoods and air exhaust system Installation of a floating head compressor Installation of variable frequency drives on fan motors Upgrade of the makeup air unit Individual room temperature controls Installation of a flue gas economizer
Centralization of fume hood exhaust systems Conversion to Variable Air Volume system Roof insulation Domestic hot water produced by heat pumps Seasonal operation of power plant equipment and distribution network
Upgrade of insulation on piping Hydrothermal
Proposal 2 – Hydrothermal
Proposal 2 – Hydrothermal
Extract heat from the water of Lake St‐Louis by heat pump process
Increase efficiency of power plant Install a new low temperature
heating loop on campus All heat exchanges through closed
loop process Re‐use existing water treatment
facilities
Proposal 3 – Biogas Generation Centralization of fume hood exhaust systems Conversion to Variable Air Volume system Roof insulation Domestic hot water produced by heat pumps Seasonal operation of power plant equipment and distribution
network Upgrade of insulation on piping Night setback temperature control Heat recovery on fume hoods and air exhaust system Installation of a floating head compressor Installation of variable frequency drives on fan motors Upgrade of the makeup air unit Individual room temperature controls Installation of a flue gas economizer Biogas
Proposal 3 – Biogas Generation Process organic waste to
produce biogas Install steam boiler that runs
on biogas Farm waste will contribute
25% of waste needs Use by‐products as fertilizer Community engagement req’d
ProposalsInvestment ($) $2,107K $3,978K $4,283K
Savings (GJ) 35,116 ( 26%) 37,889 ( 28%) 48,315 ( 35%)
Savings ($) $352K $360K $481K
Payback (Years) 6.0 11.0 8.9
GHG Reduction (t CO2)1 1,599 1,854 2,257
Renewable Energy (%) 47% (+9%) 55% (+17%) 61% (+23%)
Innovation Low High Medium
Operational Risk Low Medium High
Design Risk Low High Medium
Campus Impact Low No visual impact Increased traffic
Academic and Research Interest
Limited T.B.D. T.B.D.
Key Factors + All proven technologies‐ No innovative showcase
+ Recuperate and reuse current infrastructures
‐ Environmental concern
+ GHG reduction‐ Labour intensive, suppliers partnership needed
1 Calculations of greenhouse gas emission reductions are based on fossil fuel combustion only.
ProposalsInvestment ($) $2,107K $3,978K $4,283K
Savings (GJ) 35,116 ( 26%) 37,889 ( 28%) 48,315 ( 35%)
Savings ($) $352K $360K $481K
Payback (Years) 6.0 11.0 8.9
GHG Reduction (t CO2)1 1,599 1,854 2,257
Renewable Energy (%) 47% (+9%) 55% (+17%) 61% (+23%)
Innovation Low High Medium
Operational Risk Low Medium High
Design Risk Low High Medium
Campus Impact Low No visual impact Increased traffic
Academic and Research Interest
Limited T.B.D. T.B.D.
Key Factors + All proven technologies‐ No innovative showcase
+ Recuperate and reuse current infrastructures
‐ Environmental concern
+ GHG reduction‐ Labour intensive, suppliers partnership needed
1 Calculations of greenhouse gas emission reductions are based on fossil fuel combustion only.
Next StepsGoing Forward:
Work Group will review your questions and comments Contact you as needed for clarification Work Group to present your questions and comments to Review Committee
Work Group to modify proposals according to Review Committee recommendations
Review Committee to assess final proposals and select proposal to be implemented
Send your comments to [email protected] our website :http://www.mcgill.ca/facilities/utilities/macdonald‐campus‐energy‐project