Our online non-financial report 2018/19 is for the year ended 31 March 2019 and covers our wholly-owned global operations. We report in the areas of environmental sustainability, people and communities.
We will publish our 2019/20 non-financial performance report in July 2020.
Key financial information is predominantly located in the Annual Report and Accounts. Background information about National Grid is set out in other areas of the corporate website.
We carry out external and internal assurance to:
We have a formalised approach, which describes the basis for reporting National Grid's non-financial performance data. It focuses on the key principles and practices, describes:
Our individual business data owners are responsible for internally verifying the various non-financial reporting data and providing the supporting narrative needed to explain trends or material changes in the data.
Our Corporate Affairs department is responsible for ensuring data and, where applicable, supporting narrative has been internally verified before disclosure and for checking the robustness and completeness of the verification evidence.
Reflecting the significance of climate change to our business, in 2012 for the first time we engaged an independent auditor, WSP Environmental & Energy, to verify our scope 1 and 2 emissions.
WSP completed its seventh annual verification of our GHG data in June 2019. Please refer to the 2018/19 greenhouse gas emissions verification statement for the key findings.