Free Registration!

In order to register successfully please complete the online registration form below ensuring all fields marked with an * are completed. 

Important!: If you have already registered with Top50-Solar and would like to reactivate your account you do not need to re-register. You can access your login information here.

New members please complete the online registration form below:

Login data*

Enter the username you would like to use over here, this will be your login-username later.
Enter a password with a minimum length of 5 letters. You will have to enter the password a second time in the next field to prevent miss-spellings.
Enter your email-address over here, upon your registration, an email will be sent to this address for confirmation of your identity.

Name, address, homepage and logo*

These fields are displayed on your details page and used to locate your company on maps and in extended search functions. Street, postcode and city must be provided for the Top50-Solar search functions.

Enter company name here.
Please enter the name of a contact person. This will not be published on Top50-Solar.
Please enter the name of a contact person. This will not be published on Top50-Solar.
Enter the complete URL of the homepage here including http://
Include a logo for your details page to attract visitors to your website. Only use *.gif or *.jpg or *.png formats of exactly 160x90 pixels. Maximum file size allowed is 20kB.
Include all domain names for your homepage so that your visitors are counted correctly.

Please use a separate line for each domain, e.g.:

Homepage Categorization*

Please enter the topics and categories for your homepage. Some dropdowns are optional.


Please select between 6 and 15 keywords to describe your company or website.

100% EE   Absorber   Accumulator   Air collectors   Air conditioning   Amortization   Architecture   Asbestos   Base load   Battery   Benchmark   Biodiesel   Bioenergy   Biofuel   Biogas   Biomass   Blog   Broker   Building contract   Building law   Building permit   Building specifications   Buy   Cable   Calculator   Camper   Capital investment   Car   Carport   Carriage   CdTe   Charge controller   CHP   CIS   Cleaning   Climate change   CO2   Coal   Coating   Collector   Combined heat and power plant   Communication   Concentrator   Contract   Cooling   Counters   Credit   Crude oil   crystalline   Degradation   Discussion   Displays   Drive   Eco tax   Efficiency   Efficiency   Electric vehicle   Electromobile   Emissions Trading   Energy   Energy balance   Energy payback time   Energy Saver   Energy tax   Energy transformation   Equipment   Ethanol   Evacuated-Tube Collector   Exchange   Export   External costs   Feed-in   Feed-in compensation   Financing   Fire protection   Flat plate collector   Flat roof   Floor heating   Forum   Fossil fuels   Frame   Fuel cell   Fund   Garage   Generator   Geothermal energy   Geothermics   Green electricity   Green energy   Grid   Grid feed-in   Heat exchanger   Heat insulation   Heat pump   Heating   Hot water   Hybrid   Hydrogen   Hydropower   Import   Installer   Insurance   Inverters   Investment   Kyoto   Land   Lease   Lightning protection   Location   Low energy building   Manufacturer   Marketing   Measuring device   Measuring technique   Module   Monitoring   Monocrystalline   Mounting   Mounting system   Natural gas   Network operator   News   Nuclear phaseout   Off-Grid systems   Open space   Organic   Own consumption   Panel heating   Passive building   Pellets   Performance    Performance analyzer   Photovoltaic power plant   Photovoltaics   Pollution   Polycrystalline   Pond pump   Power plant   Power supply   Preservation order   Press   Project development   Projected yield   Projects   Prototype   Pump   Quote   Real property   Recycling   Refrigerating machine   Renewable energies   Renewable Energies Act (EEG)   Rent   Research   Retailer   Roof   Roof exchange   Roof integration   Roof rental   Roof tiles   Roof-mount   Sell   Service provider   Service station   Servicing   Shares   Shop   Silicon   Snow   Software   Solar building   Solar car   Solar cell   Solar controller   Solar cooker   Solar cooling   Solar drying   Solar electricity   Solar energy   Solar facades   Solar farms   Solar heating system   Solar local heat   Solar module   Solar power plant   Solar power system   Solar settlements   Solar thermal power plants   Solar vehicles   Sponsorship   Stirling engine   Storage   Storm   Supply meter   Support program   Survey   Tax   Tender   Theft   Thin film   Tracking   Tracking system   Value Added Tax   Vegetable oil   Vehicle   Wafer   Warranty   Wind energy   Wind power   Wind turbine   Wood   Wood pellets   Yachts   Yield control   Yield data   Zero-energy building  

Title, description, banner*

Please enter a title, short description and url for your homepage. Long description and banner are optional fields.

Enter the title of your homepage in English here.
Enter a short description of your homepage here, 150 characters maximum.
Enter the complete URL of the homepage here including http://
Insert a banner on your details page to attract visitors to your website. Design rules specify only *.gif or *.jpg or *.png formats and a bannersize of exactly 400x40 pixels. The maximum file size allowed is 40kB.

Include a long description of your homepage on your details page. This will help improve your search engine visibility.


Promote your details page using your own videos! Enter here the URL of your video. If the video is hosted on Youtube the preview image and the title will be automatically included. If the video is hosted on your server, please also enter a URL for the preview image and the title of the video.

Twitter, Facebook, Rss-Feeds

Please enter your Twitter and Facebook URLs and your RSS-Feed, so that your news can be automatically published on Top50-Solar.


I hereby confirm having read and understood the Top50-Solar conditions of use (Conditions of Use) and Privacy Policy
I hereby accept the before mentioned conditions of use.