Effective October 24, 2025.

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This Privacy Policy describes how the Breakthrough Energy network (Breakthrough Energy, LLC, Breakthrough Energy Investments, LLC, and our affiliated entities referred to collectively as “Breakthrough Energy”, “we”, “us”, or “our”) collects, uses and shares your personal information if you visit this website or our other websites or services that link to this Privacy Policy (collectively, the “Services”) or take other actions through the Services such as choosing to contact us, receive our communications or attend our events.

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We provide important information for individuals in Europe below.

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Table of Contents

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Personal Information We Collect
How We Use Your Personal Information
How We Share Your Personal Information
Your Choices
Other Sites, Mobile Applications, and Services
Security Practices
International Data Transfers
Children
Changes to this Privacy Policy
How to Contact Us
Your California Privacy Rights
Notice to European Users

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Personal Information We Collect

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Information you provide to us. Personal information you provide to us through the Services may include:

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Contact information — To sign up for our mailing list, you will need to provide your first, last name, and email address. You are not required to sign up and can always choose to opt out later.
Feedback or correspondence — such as information you provide when you contact us with questions, feedback about our Services, or otherwise correspond with us.
Usage information — such as information about how you use the Services and interact with us, including information you provide when you use any interactive features of the Services.
Marketing information — such as your preferences for receiving communications about our Services, activities, and publications, and details about how you engage with our communications.

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Information we obtain from social media platforms.
\nWe may maintain pages for Breakthrough Energy on social media platforms, such as Facebook, X (formerly “Twitter”), and LinkedIn. When you visit or interact with our pages on those platforms, the platform provider’s privacy policy will apply to your interactions and their collection, use, and processing of your personal information. You or the platforms may provide us with information through the platform, and we will treat such information in accordance with this Privacy Policy.

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If you choose to connect your account on a third-party platform or network to the Services, like using your Medium account to access our blog, we may collect information from that platform or network. For example, this information may include your Medium username, profile picture, and other profile information. You may also have the opportunity to provide us with additional information via the third-party platform or network, such a list of your connections. You can read more about your privacy choices for social media networks and other third-party platforms in the “Other Sites, Mobile Applications, and Services” section below.

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Cookies and Other Information Collected by Automated Means
\nWe, our service providers, and our business partners may automatically log information about you, your computer or mobile device, and activity occurring on or through the Services. The information that may be collected automatically includes your computer or mobile device operating system type and version number, manufacturer and model; device identifier; browser type; screen resolution; IP address; the website you visited before browsing to our website; general location information such as city, state or geographic area; and information about your use of and actions on the Services, such as pages or screens you viewed, how long you spent on a page or screen, navigation paths between pages or screens, information about your activity on a page or screen, access times, and length of access. Our service providers and business partners may collect this type of information over time and across third-party websites and mobile applications.

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See our Cookie Policy for more information.

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How We Use Your Personal Information

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We use your personal information for the following purposes and as otherwise described in this Privacy Policy or at the time of collection:

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To operate the Services. We use your personal information to:

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provide, operate, and improve the Services;
facilitate features of the Services, such as our newsletter
communicate with you about the Services, including by sending you announcements, updates, security alerts, and support and administrative messages;
understand your interests and personalize your experience with the Services;
provide support and maintenance for the Services; and
respond to your requests, questions and feedback.

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For research and development. We analyze use of the Services to improve the Services and to develop new products and services.

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To send you marketing and promotional communications. We may send you marketing communications as requested by you and/or permitted by law. You can always opt out of these communications by following the unsubscribe instructions at the bottom of the messages.

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To comply with law. We use your personal information as we believe necessary or appropriate to comply with applicable laws, lawful requests, and legal process, such as to respond to subpoenas or requests from government authorities.

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For compliance, fraud prevention, and safety. We may use your personal information and disclose it to law enforcement, government authorities, and private parties as we believe necessary or appropriate to: (a) protect our, your, or others’ rights, privacy, safety, or property (including by making and defending legal claims); (b) enforce the terms and conditions that govern the Services; and (c) protect, investigate, and deter against fraudulent, harmful, unauthorized, unethical, or illegal activity.

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With your consent. In some cases we may specifically ask for your consent to collect, use, or share your personal information, such as when required by law.

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To create anonymous data. We may create aggregated and other anonymous data from your personal information and other individuals whose personal information we collect. We make personal information into anonymous data by removing information that makes the data personally identifiable to you. We may use this anonymous data and share it with third parties for our lawful business purposes, including to analyze and improve the Services and promote our business.

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How We Share Your Personal Information

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We do not share your personal information with third parties without your consent, except in the following circumstances or as otherwise described in this Privacy Policy:

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Affiliates. We may share your personal information with our affiliated organizations, such as (i) Gates Ventures, LLC (which helps operate the Breakthroughenergy.org website and provides technical support, such as troubleshooting and administrative assistance) and (ii) nonprofit entities within the Breakthrough Energy network (Breakthrough Energy Foundation, Breakthrough Energy Catalyst Foundation, Breakthrough Energy Action – which help advance our philanthropic initiatives) for purposes consistent with this Privacy Policy.

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Service providers. We may share your personal information with third-party companies and individuals that provide services on our behalf or help us operate the Services (such as customer support, website troubleshooting, hosting, analytics, email delivery, marketing, and database management services).

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Examples of some our current service providers (with links to their privacy policies and/or legal terms) as of the date of posting this privacy policy are:

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Microsoft (we use Microsoft Azure for websites and most databases, as well as ActiveCampaign for email delivery; all long-term data backups are held within Azure).