HouseholdsSolar & self-generated electricityShare electricity with neighboursSelf-consumption association (ZEV)
Self-consumption association
Share solar power locally in a ZEV
With a collective self-consumption arrangement, multiple parties jointly use locally produced solar power – for example, in an apartment building, business park or agricultural enterprise.
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ZEV briefly explained
Use local energy within a shared connection
A ZEV is the direct way to share electricity from your own solar production locally.
In the grouping for self-consumption, several parties share solar power within a building or between adjoining or privately connected buildings. The ZEV acts as a single joint customer vis-à-vis BKW. The ZEV itself organises the internal billing and the contractual arrangements between the participants.
Overview
What is important for a ZEV
The key points on requirements, roles, costs and changes at a glance.
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PrerequisitesA ZEV is possible if the technical, organisational and legal requirements are met.
Procedure
Your ZEV in 6 steps
A ZEV must be applied for with BKW at least three months before activation.
First, check the requirements and open the application in the ZEV portal. Your electrical installer will then complete the necessary notification forms and submit the application to BKW.
01Check requirementsCheck whether the connection, production capacity, participation and internal organisation meet the requirements.02Open requestRegister in the ZEV portal and fill in the application form.03Submit applicationYour electrical installer adds the installation notification, metering diagram, site plan and other documents to the application.04Review and approvalBKW reviews the application and sends the approval to the electrical installer.05Replace meterPrivate meters are installed, existing BKW meters are removed, and a ZEV meter is set up at the shared building connection point.06Final invoice receivedWhen the existing BKW meters are removed, participants will receive a final bill. After that, electricity billing will be handled by the ZEV contact person.
ZEV portal
Costs and billing
The ZEV handles internal billing itself.
The ZEV acts as a joint customer vis-à-vis BKW. Within the ZEV, the agreements of the participants apply.
Private meters are used for billing within the ZEV. The existing BKW meters are removed. At the shared building connection point, a ZEV meter measures the electricity drawn from the public grid and the feed-in to the grid. BKW bills these values to the ZEV contact person.
Frequently asked questions
Questions about combining for own consumption
Answers to questions about requirements, metering, registration and changes.
Downloads
Documents about ZEV
The most important documents on the merger for self-consumption.
Special Terms and Conditions: Grouping for self-consumption (ZEV) and virtual grouping for self-consumption (vZEV) (PDF, 117 kB)
Download
Self-consumption association: Free market access (PDF, 100 kB)
Download
We answer your open questions about the ZEV, registration, changes or the dissolution of an existing association.

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