About cookies on this site.
Last updated: 23 April 2026
This site uses cookies and similar technologies to make the website work, understand how visitors use it, and (if you consent) to measure the effectiveness of our marketing. Here's the full breakdown.
Essential cookies
These are needed for the site to work — security, form submissions, load balancing. You cannot opt out of these, but they don't identify you personally.
Analytics & marketing cookies (optional)
With your consent, we use HubSpot to understand which pages people visit, how forms
perform, and to measure the effectiveness of our marketing. HubSpot sets cookies such
as __hssc, __hssrc, __hstc, and hubspotutk
for visitor tracking and form attribution. We do not use third-party advertising cookies.
You can accept or decline these on first visit. To change your choice later, click in the footer of any page.
How to manage cookies
You can also control cookies via your browser settings. Most browsers let you block all cookies, block third-party cookies, or delete existing cookies. Note that blocking essential cookies may break parts of the site.
Questions
For cookie questions, contact team@otdenergy.com. See also our Privacy Policy.