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To determine the appropriate retention period for personal data, we consider the amount, nature and sensitivity of the personal data, the potential risk of harm from unauthorised use or disclosure of your personal data, the purposes for which we process your personal data and whether we can achieve those purposes through other means.

We will retain the following data for the applicable periods below.

Type of dataRetention periodJustification
Contact DetailsStaff at our partners, suppliers, or third parties: For the duration of the business relationship, or 2 years since the last contactTo keep in contact with you in relation to Alt HAN services
Energy DataEnergy customers: For the duration of the provision of Alt HAN services/ Alt HAN ProgrammeTo ensure the analysis of suitability for, and provision of Alt HAN services to, specific residences
Financial Details6 years from the end of the financial year in which the payment was madeFor processing payments and for our legal/financial obligations
Other InformationPhotos from ASE events: For the duration of the provision of Alt HAN ServicesFor administering, carrying out and reporting progress at ASE events
Technical DataDevice identifiers/IP address/Cookies: Variable (See Cookies Policy below)With your consent and/or to understand interactions with our website

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