Australian Solar Cooling Interest Group (ausscig) Conference Queensland Solar City

Transcription

1 Townsville: Queensland Solar City ausscig Conference 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

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

3 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

4 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 % Retail Energy Network $m Customer Network 0% 06/07 10/ /01 01/02 02/03 03/04 04/05 05/06 06/07 07/08 08/09 09/ Daily Load Profile Magnetic Island Average Daily load Profile pm kva

5 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

6 HOLIDAY MAKERS COMMUNITY BASED SOCIAL MARKETING MULTILAYERED, INTEGRATED APPROACH TO INFLUENCING BEHAVIOUR 11 Are we getting anywhere? 12

7 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 t GHG avoided 13 Peak Demand Reduction MI Peak in % less than 2008 Magnetic Island Yearly Peak Demand Business Case Forecast and Actual kva Medium ACTUAL SC Target / / / / / / / / /13 14

8 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 %/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 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, Cable Limit Days at Demand Level 16

9 LOAD DURATION Frequency of Daily Peak Demand Level Magnetic Island Feeders % Days at Dem mand Level 40% 35% 30% 25% 20% 15% 10% 5% % <50% 50-55% 55-60% 60-65% 65-70% 70-75% 75-80% 80-85% 85-90% 90-95% % % 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

10 TOTAL ELECTRICTY USE REDUCED Compared to Ayr Control Change in Seasonally Adjusted Monthly Electricity Consumption since Jan08 compared to East Ayr Fdrs % 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 Infrastructure Deferment Target 5 years now 7 years Magnetic Island Load Growth - Revised Scenario July First Intervention February 2008 Summer of 20

11 BUILDING ON THE SUCCESSES 21 Any questions? Thank you 22

12 Savings after Energy Assessment 7% % Consumption Reduction after Energy Asssessment - Residential Properties 100% 50% Increased Consumption Reduced Consumption Change (%) 0% -50% -100% % -200% Number of Individual Households 23 Magnetic Island Golf Club Roof painting Installed Triphosphor lights Hosting 11kW Photovoltaic System Refrigeration control, LVR, Redflow 24

13 PV Supply to Grid Grid Supply and PV Generation on 1-Jun ,600 1,950 Power (kw W) 1, :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