power therm
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Energy Management Across Multiple Buildings
Cian O’Riordan27 March, 2012Local Authority Energy Management Learning Tour
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About PowerTherm Solutions
• 10 years old this month
• 6 engineers
• Energy Services– Energy & Maintenance Surveys– Energy Monitoring, Reporting & Verification– Energy & Maintenance Management– Energy Retrofit Design & Project Management– Specialist Energy Advice
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Blue Chip Clients
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A strategic approach to energy management
Commitment to a goal; assign responsibility; allocate resources.
Strategic plan - organisation structure and activities;energy monitoring;how energy savings will be identified and implemented.
Baseline energy use, identify energy users, energy drivers, savings
Analysis & monthly reports
Annual report & planning
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e3 Energy Management
• UCD, Trinity College, DIT and DCU
• Launched 2004– 30 buildings, €3 million energy cost, – Goal10% reduction in 3 years– SEAI co-funding
• Service Providers - PowerTherm & WYG • Currently
– 90 buildings, €9 million energy cost– Goal 10% saving
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General Approach - ARC
RoutinesBaseline studyAnnual energy
review & report
Monthly reports
Building surveys & investigations
BMS operationIdentify & resolve
Project management
ArchitectureSteering CommitteeProject Manager
Procurement Consultant
Account Managers
Energy Champions
M&R System
CultureCommunicate goal
& progressGHG & Cost
savings
Logo
Materials
PresentationsShutdown e-mail
Existing Media
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e3 Accumulated Savings (€4.8m)
23,000 tonnes of CO2
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Energy Monitoring & Reporting• A structured, multi-year approach is essential (M&V Plan)
• Energy savings cannot be directly measured• Establish a baseline year
• € savings = gas saved 2011 x gas AUP 2011
• Sophisticated approaches available, if required
• Keeping it simple:– Use same system for energy management and DECs – Annual data is essential, monthly data is valuable– Elec – online access – save data OR manual meter readings– Gas – manual meter readings– Oil/LPG – bills and tank opening/closing volumes– Meter point number, readings & date should be saved!
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BMS Monitoring Cylon Active Energy
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Raising Awareness
• Identify key groups, their impact, allocate resources accordingly
• Decide what you want them to do• Find a proportionate means to secure buy-in and
communicate the message• Develop a logo, turn it into a brand• Use a website as your awareness hub• Get a list of communications media / options• Make a plan...
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Group Impact What we want Method
Design & refurb Very high Efficiency and metering integral part of design
Direct / organisational, CPD
BMS Very high Scheduling, setpoints, control strategies
Direct / organisational
Maintenance High Efficiency to be on a par with comfort Direct / contract management, CPD
Security High am - Leave lights offpm - Switch lights off, close windowsFeedback
Contract management
Cleaning Medium Switch lights off Contract management
IT/IS Medium Specific projects – build settings, comms room a/c, data centres
Direct communication / mole
Academic & research staff
Medium Efficient equipment operating practices
Energy champion, various general media
Administrative staff
Low Lights, windows, pc, office equipment Various general media
Students Very low
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Lessons Learned for Multisite• Goal is essential
– Specific, measurable, achievable– Public commitment
• Strategy & structure should reflect goal– 5-15% can be achieved from awareness & operation
– For higher level of savings need capital programme– Awareness and operational based savings require
ongoing management
– Smarter controls and new installation require less ongoing management, but have a capital cost
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Lessons learned from multi-site• Targeted Approach - Pareto principal
– Identify the 20% of buildings that consume 80% of use– Identify the 20% of people that influence 80% of use
• Structure– Leverage your own organisation – energy champions
– Use established groups and systems– Engage with information services and secure
commitment
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One last thing...
...start with a clearly defined goal, policy and strategic plan.
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Thank You
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Saving MoneyBill management & procurement• Quick wins establish momentum and finance works
• Bill review– Sense check– Small accounts– Estimated readings– Tariff– Maximum Import Capacity / Supply Point Capacity– Power factor correction
• Procurement– After bill review– Save your energy data!
• Bill queries afterwards