- More intense, extreme rainfall events impact hydro catchment flood risk
- Changing seasonal weather patterns increases hydro inflow volatility
- Increased severe weather events could damage assets and infrastructure
- Global climate change impacts on supply chain cost and reliability
- Transitioning to fully renewable generation sources and increasing demand reduces flexibility in the power system
- Carbon price uncertainty increases uncertainty in wholesale market
- Global supply chain demand may impact affordability of and timely access to goods and services
- Inadequate market supply due to insufficient physical firming plant
- Sharp increase in private solar leads to reduced demand, impacting on Meridian’s earnings
Meridian Energy Limited
Greenhouse gas emissions & sustainability report data
In its 2024 reporting, Meridian Energy Limited disclosed greenhouse gas emissions of 114.5K tCO2e/year. By scope: Scope 1: 1.1K tCO2e/year; Scope 2: 1.3K tCO2e/year; Scope 3: 112.1K tCO2e/year. Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
GHG Emissions
114.5K tCO2e/year
2024
Renewable Energy
100%
of total energy
Water Usage
73.4K Mm³/year (withdrawn) 11534 Mm³/year (consumed)
2024
📊 Emissions by Scope (2024)
| Scope | What it covers | Reported value |
|---|---|---|
| Scope 1 | Direct emissions from sources the company owns or controls (fuel combustion, company vehicles, process and fugitive emissions). | 1.1K tCO2e/year |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 1.3K tCO2e/year |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 112.1K tCO2e/year |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2024 | 114.5K tCO2e/year |
| 2023 | 33.5K tCO2e/year (operational) |
| 2021 | 32.5K tCO2e/year (Group operational emissions) |
| 2020 | 44.4K tCO2e/year |
| 2017 | 5.7K tCO2e/year (Meridian Group) |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- Continued contribution to industry Dam Safety Hydrology Group (DSHG) work to update PMP methodology and ensure it can incorporate projections of climate change impacts
- Updated flood rules to incorporate new flood flow values, mitigate dam safety vulnerabilities and embed lessons learned from international experience
- Initiated a supplier ESG programme – Good Energy Programme – with the aim of enhancing sustainability outcomes through our supply chain
🎯 Climate & Sustainability Targets
🔜 Short-term
- Reduce absolute Scope 1 and 2 GHG emissions by 50% by FY30 from a FY21 base year
- Reduce absolute Scope 3 GHG emissions by 50% by FY30 from a FY21 base year
- Increase IEP to $96.70/tonne by FY27
📅 Medium-term
- Reduce absolute Scope 1 and 2 emissions by 90% by FY40 from a FY21 base year
- Increase IEP to $123.30/tonne by FY30
- Grow retail customer base to 500,000 connections by FY30
- 1,000GWh of process heat under contract by FY30
- Achieve inclusion in the S&P Global Dow Jones World Sustainability Index by FY26
🔭 Long-term
- Reduce absolute Scope 3 emissions by 90% by FY50 from an FY21 base year
🌱 ESG Focus Areas
Climate Change