Third-party limited assurance
FY2026 Third-party limited assurance
To enhance the credibility of the disclosed sustainability data, the Hitachi ESG Data Book 2026 received third-party limited assurance from Ernst & Young ShinNihon LLC for environmental performance indicators. The assurance was conducted in accordance with the International Standard on Assurance Engagements (ISAE) 3000 (Revised), and assurance over greenhouse gas emissions was conducted in accordance with ISAE 3410. The indicators that were assured are marked with a 
.
Performance Indicators Assured
- Energy inputs
- Greenhouse gas emissions Scope 1 (Energy-related CO2 emissions, and GHG emissions other than energy-related CO2)
- Greenhouse gas emissions Scope 2 (Energy-related CO2 emissions) *Calculated based on the market-based method.
- Greenhouse gas emissions Scope 3 Category 1 (Purchased goods and services)
- Greenhouse gas emissions Scope 3 Category 11 (Use of sold products)
- Total water withdrawal, Total water effluents discharged, Water quality (Biochemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD))
Archive
Since FY2025, Hitachi has obtained Third-party limited assurance for the Hitachi ESG Data Book.
For FY2024 and earlier, Third-party limited assurance was obtained for the Hitachi Sustainability Report.
Environmental Data
The standards, guidelines, and calculation methods used in collecting environmental data are posted on our website.
