Refreshing the existing logo for NWComp Solar

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This customer received 162 logo designs from 81 designers. They chose this logo design from Johan_Design as the winning design.
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Logo Design Brief
NWComp Solar GmbH is a company in the field of renewable energies. Our existing logo has become established regionally and is already well known. The aim of this project is to review the current logo and gently refresh it without making major changes.
Task:
Analysis of the existing logo:
Review the current logo for design, color scheme, and modernity.
Create a brief assessment of the strengths and weaknesses of the current logo.
Design suggestions:
Develop new ideas based on the existing logo that maintain its recognizability but provide a modern and fresh look.
If necessary, complement the logo with subtle details or improvements that enhance the design.
Make suggestions for possible optimization of typography, colors or other design elements.
Important instructions:
The logo should be adapted carefully as it is already known in the region.
No fundamental changes should be made to the character of the logo.
References:
Our website: http://nwcomp-solar.de
Current logo (provide if not already visible on the website).
Expected results:
A short feedback document to evaluate the current logo.
2-3 suggestions for refreshing the logo with explanations of the changes.
Files in common graphic formats (e.g. .AI, .EPS, .PNG) after completion of the revision.