IGO SUSTAINABILITY REPORT 2022— 65 64 —IGO SUSTAINABILITY REPORT 2022 Our Response to Climate Change IGO's Total Carbon Footprint IGO’s Emissions Profile (t CO2-e) FY22 FY21 Scope 1 62,1681 63,337 Scope 2 1911 138 Scope 32 49,4363 18,209 Land clearing 4,1834 1,106 TOTAL 115,978 82,790 1. Excluding emissions associated with Western Areas operations and activities. 2. Detailed Scope 3 emissions provided in performance data on page 102. 3. Increase in Scope 3 emissions represents improved data collection and understanding of IGO’s supply chain. 4. The increase in emissions from land clearing is a result of improved calculation methodologies using the Full Carbon Accounting Model (FullCAM). Decarbonisation Projects Alongside the projects highlighted below, detailed disclosure of our FY22 programs of work is provided in the table on page 75. Nova Solar Farm Expansion IGO committed to expand our renewable energy generation at the Nova Operation, allowing the site to successfully operate ‘engines off’ for up to nine consecutive hours a day in the spring and summer months. Nova will expand its renewable energy capabilities through the addition of 10MW of solar panels (to complement the current 5.5MW solar farm), and a 10MWh battery energy storage system. This is an important next step in IGO’s journey to carbon neutrality. By supporting greater uses of renewable energy at Nova, we are setting a new industry benchmark in renewable energy integration and demonstrating our commitment to decarbonise our business. The associated reduction in diesel consumption at Nova is estimated at 4.2M litres per annum. Scope 3 Emissions More detailed mapping of IGO’s Scope 3 (influence) emissions was completed in FY22, including supplier assessments to understand alignment with IGO’s climate change policy and carbon neutral commitments. Climate change considerations have been incorporated into IGO’s contracts and procurement framework. Maturity around Scope 3 data has resulted in improved reporting in FY22, with greater detail on our supply chain emissions provided on page 102. Further mapping of our supply chain emissions, including mapping for the recently acquired Forrestania Operation and Cosmos Project, and with our joint venture partners, will be completed in FY23. This will include more discussions with our Scope 3 influence suppliers to develop and scale up our shared response to decarbonisation. Electric Vehicle Trials At IGO’s Nova Operation, along with Barminco, we are introducing three Zero Automotive ZED70 TI EV – converted Toyota LandCruisers in our underground mine. These are fitted with Lithium Titanium Oxide (LTO) batteries which testing has demonstrated has the highest safety in terms of fire risk, and highest useful charging range. Nova has installed multiple charging stations and envisage increasing the number of Battery Electric Vehicles (BEV) Light Vehicles (LV) to a substantial proportion of the LV fleet to understand how operations are best managed with charging needs, particularly over shift change. The current largest impediment to converting underground fleets is the lack of donor vehicle supply for conversion to BEVs. Static Storage Trials There are multiple static storage trials underway at our Nova Operation and across the exploration portfolio, including: • BASF NAS Battery (sodium sulphur); • VSUN Vanadium Redox Flow Battery (VRFB); • Ultra Energy VRF Battery; and • Samsung LFP Battery (Lithium Iron Phosphate) One example is the Ultra Energy VRF Battery, which is currently in construction to power a semipermanent Exploration camp. The system will include two ultra vanadium flow batteries (6kW power, 50kWh energy storage), 22kW solar panels and two wind turbines (3kW/6kW wind turbine), which has the ability to power the camp on renewable energy approximately 90% of the year.
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