Task 32 Presentation- Australia

Transcription

1 Task 32 Presentation- Australia Task 32 meeting Rome 14 May 2004 Dr Stephen Schuck Manager Tel/Fax: (02)

2 OECD Bioelectricity generating capacity 9.0% 8.0% 7.0% 6.0% 5.0% 4.0% 3.0% 2.0% 1.0% Australia New Zealand Denmark Canada United States Korea United Kingdom Mexico Czech Republic Japan Belgium Netherlands Italy Germany France Ireland Spain Turkey Switzerland Norway Greece Hungary Iceland Luxembourg Poland Slovak Republic Country 0.0% Portugal Austria Sweden Finland Capacity (MW) Proportion of installed capacity fuelled by Biomass Installed bioelectricity capacity (MW) % of Total Installed Generating Capacity

3 Mandatory Renewable Energy Target Additional 2% renewables by 2010 (9,500 GWh) Held at 9,500 GWh/a Electricity retailers liable parties Operates by creation and trading of RECs 1 REC = 1 MWh Wood waste and energy crops eligible web site

4 Breakdown of Renewable Energy Certificates At 31/12/ registry.com Wind 11% Solar Water Heater (Deemed) 22% S.G.U. - Solar (Deemed) 0% S.G.U. - Wind (Deemed) 0% Photovoltaic 0% Municipal Solid Waste Combustion 0% Wood Waste 4% Bagasse Co-generation 12% Sew age Gas 1% Black Liquor 4% Hydro 37% Landfill Gas 9% Bagasse Co-generation Black Liquor Hydro Landfill Gas Municipal Solid Waste Combustion Photovoltaic S.G.U. - Solar (Deemed) S.G.U. - Wind (Deemed) Sew age Gas Solar Water Heater (Deemed) Wind Wood Waste Source: ORER

5 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Forecasts of Mix of Fuel Sources for 2010 Solar PV Mun. waste water (sewage gas) Rural biomass Cofiring SWH Hydro MSW/LFG Wind Bagasse Source: ORER MMA Dec 1999 AEA 20/3/01 Redding 29/3/01 NIEIR July 02 Redding 8/02 MMA 7/8/02 MMA 29/10/02 (base case) IES 01/03 (high case) IES 01/03 (high case + low bagasse) IES 01/03 (medium case) IES 01/03 (low case) Average all post 2001 but only IES High Redding Dec 1998 Percentage participation

6 Project Examples in Australia Rocky Point Sugar Mill 30 MW Brightstar Environmental's SWERF project Green Pacific Energy s projects including 5 MW at Stapylton, Gold Coast (85 MW approved) Delta Electricity's 100 MW bagasse/wood in NSW Co-firing wood at Liddell, Muja and Wallerawang Co-firing biogas at Swanbank Power Station, Qld 3 MW sewage gas at Malabar, Sydney Visy s 20 MW co-generation plant at Tumut Western Power Corporation s oil mallee project (1MW initially) Auspine s 60 MW bioenergy plant at Tarpeena, S.A. 35 MW Southwood project in Tasmania 10 MW Blair Fox chicken litter project in WA

7 Rocky Point Sugar Mill 30 MW Stanwell Corp / Heck Group Multi-fuelled Alstom Power VU-40 boiler 510 o C / 70 Bar Vibrating grate Bagasse, Green Wastes, Timber Fuels

8 Macadamia Nut Project Gympie 1.5 MW pinhole grate unit Source: Ergon Energy

9 Biomass Co-firing Commercial Co-firing Wallerawang PS, Mt Piper and Vales Point (Delta) Waste Wood, Plantation wood residues, Green Waste Liddell Power Station (Macquarrie Gen) Swanbank (CS Energy) Plantation wood residues, processed vegetable oil Land fill gas Trials Muja Power Station (Western Power) Trials Plantation wood residues Stanwell Power Station (Stanwell Corp) Trials on plantation residues

10 Name of plant Owner Size Fuel Type Current Status Burners Fuel Feed Vales Point Delta Electricity 2 x 660 MWe Pulverised Fuel units Wallerawang Delta Electricity 2 x 500 MWe Pulverised Fuel units Mt Piper Delta Electricity 2 x 660 MWe Pulverised Fuel units Liddell Plants Conducting Trials Macquarie Generation 4 x 500 MWe Pulverised Fuel units Swanbank B CS Energy 4 x 125 MWe Pulverised Fuel units Muja Western Power Pulverised Fuel units Tarong Tarong Energy 2 x 350 MWe Pulverised Fuel units Stanwell Stanwell Corporation 4 x 350 MWe Pulverised Fuel units Less than 5% by weight of wood waste Less than 5% by weight of wood waste Less than 5% by weight of wood waste Less than 5% by weight of wood waste Co-firing commercially Co-firing commercially Co-firing commercially Co-firing commercially Tangentially Fired Tangentially Fired Wall Fired Tangentially Fired Via Coal Pulverising Mills via conveyor Via Coal Pulverising Mills via conveyor Via Coal Pulverising Mills via conveyor Via Coal Pulverising Mills via conveyor Via Coal Pulverising Mills via conveyor Wood waste Trial only? Via Coal Pulverising Mills via conveyor Wood waste Trial only? Via Coal Pulverising Mills via conveyor Wood waste Trial only? Via Coal Pulverising Mills via conveyor Wood waste Trial only? Via Coal Pulverising Mills via conveyor

11 Co-Firing Biomass with Coal Wallerawang Power Station

12 Materials Handling and Mill Performance Trials Materials Handling: Metering on to existing conveyors only way to ensure consistent blend ratio. Good mixing observed on coal conveyor after chute gate drops.

13 Typical Fuel Specification Specification Specific Energy (MJ/kg) (Oven Dry Basis) Total Moisture (%) (as received) Ash Content (%) (Oven dried basis) Trace Metal Concentration (Applies to fuel sources from manufactured wood products or by-products or construction demolition wood wastes. Visible Foreign Matter Sizing (in accordance with AS1152 test sieve) Biomass Fuel Categories 18 minimum 60 maximum 5 maximum 350mg/kg Maximum of an aggregate of Sb, As, Be, Cd, Cl, Cr (total), Cu, Co, F, Pb, Mn, Hg, Ni, Se, Sn and V. None < 100mm and > 3mm

14 Fuel Size and Contamination

15 CSIRO Biofuel database

16 Cofiring LFG with Coal Swanbank Re-Organic Energy Plant (co-firing biogas with coal) Gas extraction

17 Coal-Biomass Cofiring CRC for Coal in Sustainable Development Key Researchers: Prof Terry Wall and Dr B Moghtaderi (Newcastle University);

18 Bench-scale Pilot-scale Full-scale Validation of the methodology Full-scale coal/biomass co-firing Trials Development of a comprehensive co-firing methodology Milling Characteristics Flow Properties Milling Characteristics Burnout Burnout Pyrolysis (LHR & HHR) Combustion Characteristics CFD Modelling Reactivity Char Structure Reactivity Information from other projects Ash Character AFT tests TMA tests Fuel Handling Thermo-chemical Ash related Emissions Completed Underway Planned No-plans