Privacy Policy

Privacy Policy

Effective date: 12/07/2026

Last updated: 12/07/2026

Battery 1st Energy Ltd, a company registered in England and Wales under company number 15503200 with registered office at 74 Woodside Green, London SE25 5EU, is committed to protecting your privacy and handling your personal data fairly, lawfully and transparently.

This Privacy Policy explains how we collect, use, store and share personal data when you: use our website; contact us; request a quote; purchase products or services from us; use the Battery 1st app; or enable optional optimisation, export or grid-services features.

If you have any questions about this Privacy Policy or how we use your personal data, you can contact us at [email protected].

1. Who we are

For the purposes of UK data protection law, Battery 1st Energy Ltd is the controller of the personal data described in this Privacy Policy, except where we clearly state otherwise.

2. The personal data we collect

We may collect and use the following categories of personal data.

Identity data

This may include your name, title, date of birth where required, and details needed to identify you as a customer or account holder.

Contact data

This may include your home address, installation address, email address and telephone number.

Property and installation data

This may include information about your home, roof, electrical system, meter type, battery, inverter, solar system, EV charger, heat pump, hot-water equipment, installation photographs, commissioning data and service history.

Account data

This may include your login details, app account details, passwords in encrypted form, account preferences and support records.

Transaction data

This may include quotes, orders, invoices, payment status, product selections, finance status where relevant, warranties and aftercare information.

Technical data

This may include IP address, browser type, device identifiers, operating system, app version, crash data, cookie identifiers and similar technical information.

Usage data

This may include how you use our website, app, customer portal, features, notifications and support services.

Marketing and communications data

This may include your marketing preferences and records of communications with us.

Energy and device data

If you use the Battery 1st app or enable connected energy services, we may collect data from your devices and systems such as battery state of charge, charge/discharge activity, inverter telemetry, generation data, import/export data, half-hourly smart meter data where available, tariff-related data, performance data, fault logs and control history.

Optimisation and grid-services data

If you enable optional optimisation or grid-services functionality, we may process additional data needed to operate those services, including dispatch logs, event participation records, reserve settings, eligibility records, rewards/payment records and device capability information.

3. How we collect personal data

We collect personal data: directly from you when you contact us, request a quote, complete forms, purchase services, create an account or use the app; automatically when you use our website or app through cookies, analytics or similar technologies; from your equipment, installer records or connected systems; and from third parties such as finance providers, meter/data service providers, hardware/cloud integration partners, referral partners, installers or service providers where relevant.

4. How we use your personal data

We use personal data for the following purposes.

To respond to enquiries and provide quotes

We use your data to answer questions, assess your requirements and prepare quotations.

To enter into and perform contracts

We use your data to sell, install, commission, maintain and support products and services you request from us.

To operate your app account and connected services

We use your data to provide account access, app functionality, notifications, diagnostics and user support.

To operate optimisation, export and grid-services features

Where you enable these features, we use relevant data to analyse system performance, support optimisation, manage participation in available services, apply settings and maintain records of activity.

To improve products, services and customer experience

We may analyse usage and performance data to improve our services, support quality, product design and platform reliability.

To send service communications

We may contact you about appointments, commissioning, support, safety issues, outages, product changes, app functionality and contractual matters.

To send marketing communications

We may send marketing where permitted by law and subject to your preferences. You can opt out at any time.

To comply with legal and regulatory obligations

We may use personal data where necessary to comply with legal, regulatory, tax, accounting, consumer-protection or dispute-resolution obligations.

5. Lawful bases for processing

We rely on one or more of the following lawful bases under UK GDPR: performance of a contract; taking steps at your request before entering into a contract; legitimate interests; legal obligation; and consent where required.

Where we rely on legitimate interests, these interests may include operating and improving our business, maintaining system security, providing support, preventing fraud, improving energy performance, and operating connected services responsibly.

Where consent is required, such as for certain marketing or non-essential cookies, you can withdraw it at any time.

6. Optimisation, VPP and connected energy services

If you enable optional optimisation, export, flexibility or grid-services features through the Battery 1st app, we may use relevant device, meter, usage and system data to operate those services.

This may include sharing necessary information with specialist service providers and infrastructure partners that help us deliver these features, including VPP and optimisation functionality, account support, settlement support, data processing, device integrations and payments administration.

These services may involve automated actions such as recommending or applying timing strategies, storing electricity, charging, discharging, reserving capacity, or supporting participation in available programmes, subject to your settings, service availability, hardware capability, communications, metering, export permissions and applicable terms.

Where a feature could involve automated decision-making or profiling with legal or similarly significant effects, we will provide additional information at the relevant point of activation or in the specific service terms.

7. Who we share personal data with

We may share personal data with: our employees, contractors and group/affiliate entities where necessary; installers, engineers and maintenance providers; software, hosting and cloud-service providers; customer support, CRM and communications providers; payment processors and finance-related providers where relevant; device manufacturers, telemetry and integration providers; metering, data and tariff-related service providers; specialist optimisation and grid-services infrastructure partners; professional advisers such as lawyers, accountants and insurers; and regulators, courts, ombudsmen, law-enforcement agencies or public authorities where required.

We only share personal data where there is an appropriate lawful basis and business need.

8. International transfers

Some of our service providers may process personal data outside the UK. Where this happens, we will ensure that appropriate safeguards are in place, such as adequacy regulations, standard contractual clauses or other lawful transfer mechanisms.

If you would like more information about international transfers, please contact us.

9. Data retention

We keep personal data only for as long as reasonably necessary for the purposes described in this Privacy Policy, including for legal, regulatory, tax, warranty, dispute-resolution and record-keeping purposes.

Retention periods may vary depending on the type of data and the service involved. For example, we may keep contract, installation, warranty and service records for several years after the end of our relationship where reasonably required to support legal, technical or safety obligations.

If we no longer need personal data, we will delete it or anonymise it where appropriate.

10. Your rights

Subject to applicable law, you may have the right to: request access to your personal data; request correction of inaccurate data; request erasure of personal data; request restriction of processing; object to certain processing; request transfer of certain personal data to you or another provider; and withdraw consent where processing is based on consent.

You also have the right to object to direct marketing at any time.

To exercise your rights, contact us at [email protected]

11. Complaints

If you have concerns about how we use your personal data, please contact us first and we will try to resolve them.

You also have the right to lodge a complaint with the Information Commissioner’s Office (ICO):

https://ico.org.uk/

12. Cookies and similar technologies

We use cookies and similar technologies on our website and app. For more information, please see our Cookie Policy.

13. Security

We use appropriate technical and organisational measures to protect personal data against accidental or unlawful destruction, loss, alteration, unauthorised disclosure or access.

However, no internet-based service is completely secure, and you should also take care to keep your passwords and devices secure.

14. Changes to this Privacy Policy

We may update this Privacy Policy from time to time. We will post the latest version on our website and update the “Last updated” date above.