Legal notice

Contact Information
International Solar Energy Society
International Headquarters - Villa Tannheim
Wiesentalstr. 50
79115 Freiburg

Tel: + 49 761 45906 45
Fax: + 49 761 45906 99

The International Solar Energy Society e. V. is registered at the District Council of Freiburg, registration No. VR 2739.

The representatives of the non-profit organisation are:
President: Prof. Klaus Vajen
Vice President: Prof. Sigrid Jannsen
Treasurer: Mr. Geoff Stapleton

VAT Identification No. DE 177 197 424 (international use)
Taxation No. 06470/41456 (for use in Germany only)

Contact persons for the ISES e. V. International Headquarters are:
Executive Secretary: Jennifer McIntosh

All material contained in this site, including graphical elements and images, is, unless stated otherwise, copyright of the International Solar Energy Society e. V.  (ISES).  All rights reserved. The images, documents and information provided on this website are intended solely for informational and non-commercial purposes.

Images in the header of this website are stock images sourced from Shutterstock, Fotolia or Pixabay.

Unless stated otherwise, the images, documents and information may not be modified or altered in any way. You may not remove any copyright or other proprietary notices contained in the pictures, documents and information. Should you display any images or content originating from this site, they should be attributed to ISES, unless otherwise stated.

This website contains links to many websites created and maintained by other public and/or private organizations. External links are being provided as a convenience and for informational purposes only; they do not constitute an endorsement or an approval by the International Solar Energy Society of any of the products, services or opinions of the corporation or organization or individual. The International Solar Energy Society bears no responsibility for the accuracy, legality or content of the external site or for that of subsequent links. Contact the external site for answers to questions regarding its content.

The contents of papers, presentation and any other content provided to or linked on this website are the sole responsibility of the authors and express the opinion of the authors, and are not necessarily endorsed by the International Solar Energy Society. ISES does not endorse, make any warranty, express or implied, or accept legal liability or responsibility for copyright permission, the accuracy, completeness or usefulness of any information, apparatus, product or process disclosed, or represents that its use would not infringe privately on rights of others.


Data Protection
ISES is committed to ensuring the privacy of our members personal information. All contact data is protected. Personal information supplied to the website is exclusively used by ISES for the purposes specified by ISES. No information supplied is sold or passed onto any organisation outside ISES. We may share information with affiliates including ISES Sections or to members via our member directory for networking and membership purposes. All members can opt out of having their information published in the members directory. ISES does not collect any personal information about users, except that which is knowingly and specifically supplied by the user.

The International Solar Energy Society, ISES, is committed to maintaining your confidence and trust with respect to your privacy. Please read this privacy policy carefully to understand our practices about how we collect, use and share your personal information.

About our privacy policy
This privacy policy describes the personal information that is collected when you visit and log in to the ISES websites (, and Data is collected in the ISES Content Management System (CMS), CiViCRM.

Information we collect

The CMS collects information from you in two ways: directly from your input and automatically through website analytics.

The types of personal information that the website collects directly from you depends on the content and features you manually input:

  • Contact details, such as your name, email address, postal address and telephone number;
  • Educational, professional, and other background information, such as field of study, current position, practice and your interests;
  • Account login credentials, such as usernames and passwords;
  • Payment information, such as a payment date and type. 
  • Social network information, such as your social media handles;
  • Communication preferences, such as e-alerts.

The ISES website also automatically collects information about your use of the website through Google Analytics and/or other analytics programmes, such as:

  • Computer, device and connection information, such as IP address, browser type and version, operating system, mobile platform, unique device identifier and other technical identifiers;
  • Usage data, such as click stream data, including date and time stamp and referring and exit pages, search terms you used, and pages you visited or searched for on the websiteISES ; and
  • For location-aware services, the physical location of your device (country and city level).

We collect this data through our servers and the use of cookies, web beacons and other technologies. You can control cookies through your browser's settings and other tools.  See section on “Cookies”.

How we use your information
ISES is committed to deliver a relevant and useful experience to you. To that end we may use your personal information to:

  • Provide an ISES Membership Account to you, such as to allow access or delivery and process or fulfill an order or transaction;
  • Offer you customized content and individualized personalization of a Membership to make it more relevant to your interests and geography;
  • Enhance and improve the ISES Membership Account, Members Area and website, such as add new content and features;
  • Notify you about changes or updates and provide you with special offers, promotions, surveys and other information related to the Membership or ISES Account;
  • Deliver related promotional campaigns relevant to your interests;
  • Provide you with technical, product and other support and help to keep the website working, safe and secure; and
  • Identify, analyze and evaluate usage, including for the purposes of research, audits, reporting and paying royalties and license fees to third-party content providers.

We may also use your personal information to:

  • Respond to your requests, inquiries, comments or concerns;
  • Conduct and administer surveys;
  • Provide you with relevant special offers, promotions and other information about products, events and services of ours, our affiliates and non-affiliated third parties such as publishers and sponsors; and
  • Enhance and improve our products, events and services and develop new ones;

We may on occasion also match or combine the personal information that you provide with information that we obtain from other sources or that is already in our records, whether collected online or offline or by predecessor or affiliated group companies, for the purposes described above.

Sharing of your information
We share your personal information with your consent or as necessary to complete a transaction or provide a service that you have requested or authorized.
We may share your data for to publishers of Journals or Magazines where subscriptions are included in your Membership.
We may need to disclose your personal information if we have a good faith belief that such disclosure is reasonably necessary to:

  • meet any applicable law, regulation, legal process or other legal obligation;
  • detect, investigate and help prevent security, fraud or technical issues;
  • protect the rights, property or safety of ISES, our users, employees or others;

and if ISES is acquired by, transferred to or merged with another organization.

We may disclose non-personally identifiable information, such as anonymous usage data reports and aggregated information, for any purpose, except where we are restricted by law.

Your ISES account

If you subscribed to the ISES mailing list or have purchased an ISES Membership, a personal ISES account has automatically been created for you on You can sign in with the same credentials to In your account, you may view and edit your personal data.
You may access your ISES account here: If you have forgotten your password, you may request a new one. For questions regarding your ISES account, please contact members [at] ises [dot] org.

Your choices and communications preferences
You can manage your communications preferences and interests when you purchase an ISES Membership, by updating your account preferences, by using the “opt-in” mechanism.
You may unsubscribe from any of the mailing lists by clicking of the unsubscribe link in the footer of each of the ISES mailings. You may also opt-out by clicking the opt-out link in the footer of each mailing. Please note however, that if you choose to opt-out, you will no longer receive any information regarding your ISES Membership or ISES information.
We reserve the right to notify you of changes or updates to the process whenever necessary.

Electronic Communications
When you visit the ISES website or send e-mails to us, you are communicating with us electronically. By becoming an  ISES member or if you sign up for the ISES mailing list, you consent to receive communications from us electronically via e-mail. You agree that all agreements, notices, invoices, receipts and other communications that we provide to you electronically satisfy any legal requirement that such communications be in writing.

Access to, accuracy and deletion of your information
The ISES CMS coupled with the ISES website may allow registered users to access their ISES account information and make corrections or updates upon log in at any time.  The accuracy of such information is solely the responsibility of the user.
You may also request access to other personal information about you that may be held in the ISES CMS. If you request to deactivate your account or delete your personal information, we will endeavor to fulfill your request but some personal information may persist in backup copies for a certain period of time and may be retained as necessary for legitimate business purposes or to comply with our legal obligations, resolve disputes and enforce our agreements.

Data security
ISES takes precautions to safeguard your personal information against loss, theft and misuse and unauthorized access, disclosure, alteration and destruction through the use of appropriate administrative, physical and technical security measures.

Cross-border transfer of your information
Your personal information may be transferred to and stored in servers and facilities located in your region or another country.  We take steps to ensure that the information continues to be protected wherever it is located.

Changes to our privacy policy
We may change this privacy policy from time to time.  Any changes will be posted on this page with an updated revision date.

Cookies in use on this site

Cookies and how they benefit you

Our website uses cookies, as almost all websites do, to help provide you with the best experience we can. Cookies are small text files that are placed on your computer or mobile phone when you browse websites

Our cookies help us:

  • Make our website work as you'd expect
  • Remember your settings during and between visits
  • Offer you free services/content (thanks to advertising)
  • Improve the speed/security of the site
  • Allow you to share pages with social networks like Facebook
  • Continuously improve our website for you
  • Make our marketing more efficient (ultimately helping us to offer the service we do at the price we do)

We do not use cookies to:

  • Collect any personally identifiable information (without your express permission)
  • Collect any sensitive information (without your express permission)
  • Pass personally identifiable data to third parties
  • Pay sales commissions

You can learn more about all the cookies we use below

Granting us permission to use cookies

If the settings on your software that you are using to view this website (your browser) are adjusted to accept cookies we take this, and your continued use of our website, to mean that you are fine with this. Should you wish to remove or not use cookies from our site you can learn how to do this below, however doing so will likely mean that our site will not work as you would expect.

More about our Cookies

Website function cookies

Third party functions

Our site, like most websites, includes functionality provided by third parties. A common example is an embedded YouTube video. Our site includes the following which use cookies:

Disabling these cookies will likely break the functions offered by these third parties

Social website cookies

So you can easily “Like” or share our content on the likes of Facebook and Twitter we have included sharing buttons on our site.

The privacy implications on this will vary from social network to social network and will be dependent on the privacy settings you have chosen on these networks.

Anonymous visitor statistics cookies

We use cookies to compile visitor statistics such as how many people have visited our website, what type of technology they are using (e.g. Mac or Windows which helps to identify when our site isn't working as it should for particular technologies), how long they spend on the site, what page they look at etc. This helps us to continuously improve our website. These so called “analytics” programs also tell us if , on an anonymous basis, how people reached this site (e.g. from a search engine) and whether they have been here before helping us to put more money into developing our services for you instead of marketing spend.

We use: Google Analytics and Google Adwords

Advertising cookies

Cookies are widely used in online advertising. Neither us, advertisers or our advertising partners can gain personally identifiable information from these cookies.

You can learn more about online advertising at . You can opt-out of almost all advertising cookies at although we would prefer that you didn’t as ultimately adverts help keep much of the internet free. It is also worth noting that opting out of advertising cookies will not mean you won't see adverts, just simply that they won't be tailored to you any longer.

We use:

  • DoubleClick

Turning cookies off

You can usually switch cookies off by adjusting your browser settings to stop it from accepting cookies (Learn how here). Doing so however will likely limit the functionality of our's and a large proportion of the world's websites as cookies are a standard part of most modern websites

It may be that you concerns around cookies relate to so called "spyware". Rather than switching off cookies in your browser you may find that anti-spyware software achieves the same objective by automatically deleting cookies considered to be invasive. Learn more about managing cookies with antispyware software.

The cookie information text on this site was derived from content provided by Attacat Internet Marketing, a marketing agency based in Edinburgh. If you need similar information for your own website you can use their free cookie audit tool.


Page last updated: 03 May 2018