Local Energy Communities (LEGs) and Self-Consumption Communities (ZEV) are two important models for community energy supply in Switzerland. But what are the differences, and which model is right for you?
In this comprehensive comparison, you'll learn all the differences and get decision guidance.
What is a ZEV?
Definition
ZEV (Self-Consumption Community):
- Legally defined model
- Multiple consumers at one location
- Shared production facility
- Billing by consumption
Typical Application:
- Multi-family buildings
- Districts
- Commercial areas
- Public buildings
Main Differences
1. Legal Foundations
ZEV:
- Legally defined
- Clear requirements
- Simple structure
- Limited flexibility
LEG:
- More flexible structure
- Various legal forms possible
- More design flexibility
- More complex
2. Location Requirements
ZEV:
- Same location
- Physically connected
- One location
LEG:
- Multiple locations possible
- Larger distances
- More flexible
3. Size and Scaling
ZEV:
- Limited to location
- Typically: 5-50 units
- Building/district level
LEG:
- More scalable
- 10-1000+ members
- Regionally possible
When ZEV, When LEG?
ZEV is Ideal For:
Situations:
- Multi-family building
- Single building
- Simple structure desired
- Quick implementation
LEG is Ideal For:
Situations:
- Multiple locations
- Larger community
- Democratic structure desired
- Multiple energy sources
Frequently Asked Questions (FAQ)
Can I convert ZEV to LEG?
Yes, possible:
- Adjust structure
- New legal form
- Expansion
Which model is cheaper?
ZEV:
- Often simpler/cheaper (smaller)
- Less administration
LEG:
- Larger = more efficiency
- More possibilities
Can I combine both?
Yes:
- ZEV for buildings
- LEG for larger structure
- Optimally combinable
Next Steps
Make decision?
- Analyze situation: Check your needs
- Compare models: Weigh pros and cons
- Use advice: Professional support
- Make decision: Choose best model
Right model = long-term success!
Related Articles:
- What is an LEG? Complete Guide 2025
- Starting an LEG: Step-by-Step Guide with Checklist
- Legal Framework for LEG in Switzerland 2025
- LEG vs. Traditional Utility: All Differences Explained
About Upgrid: Upgrid supports you in choosing the right model. Visit Upgrid.ch for more information.