Energy Management Across Multiple Buildings

Cian O’Riordan27 March, 2012Local Authority Energy Management Learning Tour

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

Blue Chip Clients

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

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

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

e3 Accumulated Savings (€4.8m)

23,000 tonnes of CO2

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!

BMS Monitoring Cylon Active Energy

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...

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

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

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

One last thing...

...start with a clearly defined goal, policy and strategic plan.

Thank You

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