Townsville: Queensland Solar City ausscig Conference 2011 1 The Townsville: Queensland Solar City project is part of the Australian Government Solar Cities program. Ergon Energy would like to acknowledge the support of the Australian Government for the project, which also includes the Queensland Government as a funding partner and these consortium members - 2
Solar City Community Day 19/3/06 3 Consortium Partners Delfin Lend Lease HIG (Honeycombes Property Group JV) Cafalo Townsville City Council Ergon - Magnetic Island 4
Nice photo of Radical Bay MAGNETIC ISLAND SOLAR SUBURB Or something 5 Ergon Energy MAGNETIC ISLAND SOLAR SUBURB REDUCE ENERGY USE BY 25% REDUCE PEAK BY 27% Install smart meters Carry out energy audits Install solar electricity systems In-house displays Comprehensive demand-side management Tariff Trials Community Engagement 6
Peak Demand Growth 100% Load Duration 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% Unit Price/Community Service Obligation Increase Regulated Network Investment (nominal) BRCI 800.0 100% 9 9 49.2 42 Retail Energy Network $m 600.0 400.0 Customer 42.8 49 200.0 Network 0% 06/07 10/11 0.0 00/01 01/02 02/03 03/04 04/05 05/06 06/07 07/08 08/09 09/10 7 7 Daily Load Profile Magnetic Island Average Daily load Profile 4000 3500 6-9 pm 3000 2500 kva 2000 1500 2006 2007 2008 2009 1000 500 0 8
Residential Energy Assessments Over 75% of Households Assessed Changeout lights and showers Incentive programs for appliance changes Behaviour change crucial Incentive programs for continued engagement 9 Commercial Program Around 120 businesses engaged Case Studies so others will follow 10
HOLIDAY MAKERS COMMUNITY BASED SOCIAL MARKETING MULTILAYERED, INTEGRATED APPROACH TO INFLUENCING BEHAVIOUR 11 Are we getting anywhere? 12
Solar Suburb Milestones Over 1500 Smart Meters installed 1400 Energy Assessments 170 PV systems - 500kW Largest PV system to date 22 kw 340 kw of light bulbs replaced 17000 t GHG avoided 13 Peak Demand Reduction MI Peak in 2010 11% less than 2008 Magnetic Island Yearly Peak Demand Business Case Forecast and Actual 10000 9000 8000 kva 7000 6000 Medium ACTUAL SC Target 5000 4000 3000 2004/05 2005/06 2006/07 2007/08 2008/09 2009/10 2010/11 2011/12 2012/13 14
Peak Demand Reduction Rolling Average 10% 8% Magnetic Island - Trend in Seasonally Adjusted Daily Peak Demand since Oct06 Change (%) 6% 4% 2% 0% First Intervention Average Average Reduction Reduction 2.5% /yr - February 2008 2.3%/yr -2% Sep-06 Dec-06 Mar-07 Jun-07 Sep-07 Dec-07 Mar-08 Jun-08 Sep-08 Dec-08 Mar-09 Jun-09 Sep-09 Dec-09 Mar-10 Jun-10 Sep-10 Dec-10 15 LOAD DURATION Distribution of Daily Peak Demand Magnetic Island Feeders 6,000 5,000 Daily Peak Demand (kw) 4,000 3,000 2,000 ~65 kw Reduction 1,000 2008 2010 Cable Limit 0 1 51 101 151 201 251 301 351 Days at Demand Level 16
LOAD DURATION Frequency of Daily Peak Demand Level Magnetic Island Feeders % Days at Dem mand Level 40% 35% 30% 25% 20% 15% 10% 5% 2008 2010 0% <50% 50-55% 55-60% 60-65% 65-70% 70-75% 75-80% 80-85% 85-90% 90-95% 95-100% % of Maximum Annual Peak Demand 17 TOTAL ELECTRICTY USE REDUCED MI 2009/10 3% less than 2008/9 Annual Electricity Consumption Electricity Consump ption (kwh) 22,000,000 21,500,000 21,000,000 20,500,000 20,000,000 19,500,000 19,000,000 18,500,000 3% consumption reduction 2005-2006 2006-2007 2007-2008 2008-2009 2009-2010 18
TOTAL ELECTRICTY USE REDUCED Compared to Ayr Control Change in Seasonally Adjusted Monthly Electricity Consumption since Jan08 compared to East Ayr Fdrs 03+04 8% 6% First MI Intervention February 2008 Change (%) 4% 2% 0% -2% 11% difference -4% -6% M agnetic Island Ayr Feeders Jan-08 Apr-08 Jul-08 Oct-08 Jan-09 Apr-09 Jul-09 Oct-09 Jan-10 Apr-10 Jul-10 19 Infrastructure Deferment Target 5 years now 7 years Magnetic Island Load Growth - Revised Scenario July 2010 16000 14000 12000 10000 8000 6000 5430 4000 2000 0 First Intervention February 2008 Summer of 20
BUILDING ON THE SUCCESSES 21 Any questions? Thank you 22
Savings after Energy Assessment 7% % Consumption Reduction after Energy Asssessment - Residential Properties 100% 50% Increased Consumption Reduced Consumption Change (%) 0% -50% -100% 1 21 41 61 81 101 121 141 161 181 201 221 241 261 281 301 321 341 361 381 401-150% -200% Number of Individual Households 23 Magnetic Island Golf Club Roof painting Installed Triphosphor lights Hosting 11kW Photovoltaic System Refrigeration control, LVR, Redflow 24
PV Supply to Grid Grid Supply and PV Generation on 1-Jun-2010 2,600 1,950 Power (kw W) 1,300 650 0 0:00 12% Saved 3:00 6:00 9:00 12:00 15:00 18:00 Grid Supply PV Generation Grid without PV 21:00 0:00 Time (hour) 25 Building on the Successes Honeycombes Holborn Central Townsville City Council Sustainable Townsville Townsville Cluster Connections Ergon Powersavvy, Energy Savers, NDM, peak demand in various locations, Smart Community 26