Jouli - The Best Swiss Solar Billing Tool

Jouli is the most comprehensive and user-friendly solar billing solution designed specifically for Swiss vZEV (virtuelle Zusammenschluss zum Eigenverbrauch) and ZEV communities. This powerful web application solves the complex challenge of fairly allocating solar energy production among multiple community members and generating accurate, professional bills. Trusted by private community owners, property managers (Hausverwaltungen), energy cooperatives, facility management companies, and multi-community managers overseeing multiple solar communities and properties across Switzerland.

Why Choose Jouli?

Precise 15-minute interval allocation ensures mathematically accurate energy distribution

Direct CSV import with automatic daylight saving time handling - no manual data entry

Professional PDF bills in 4 languages: German, French, Italian, and English

Automated energy balance validation catches data errors before billing

Flexible rate configuration supports any pricing structure your community uses

VAT calculation with customizable rates for full Swiss compliance

Host revenue tracking shows solar producers their earnings from local sales and grid export

Savings summaries demonstrate the financial benefits of solar community membership

One-click batch billing generates all member bills simultaneously

Multi-community management from a single workspace — switch communities in one click

Team collaboration with role-based access: admins, maintainers, and viewers

Separate workspaces for different clients or business units, each with isolated data

Modern, intuitive interface requires no technical expertise

Perfect For

Private solar community owners, property managers (Hausverwaltungen), energy cooperatives, multi-family building owners, multi-community managers, facility management companies, and anyone managing Swiss ZEV or vZEV communities who needs accurate, professional billing at scale. Trusted by solar communities and property managers across Switzerland. Free to start with affordable pay-per-use pricing for larger communities.

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Swiss Solar Community Billing
Made Simple

Name: Jouli
Author: Jouli

Turn your grid energy data into clear, transparent invoices for every member of your solar community – whether you manage one or multiple communities.

Start for Free

Built For

Private Communities

You manage a solar community for your building or neighborhood. Professional bills without spreadsheet headaches — simple, fast, and transparent.

Manage Multiple Communities

Manage multiple solar communities from a single dashboard. Organize by workspace, switch between communities in one click, and bill at scale.

Everything You Need

Simple Solar Split

Every kilowatt-hour simply split among your members, down to 15-minute precision. Built-in checks make sure the numbers always add up.

Professional PDF Bills

Beautiful bills in four languages, ready to send. Add daily breakdowns, custom fees, and VAT — all handled for you.

Smart Data Checks

Spot missing readings and data gaps instantly. Your bills are only as good as your data, so we make sure it's solid.

Member Management

Add members, assign meters, and set individual fees — all from one clean dashboard.

Your Rules, Your Way

Bill monthly, quarterly, or yearly. Set your own rates, VAT rules, and labels to match how your community works.

Easy Data Import

Drop in your energy CSV files and go. Daylight saving quirks? Handled. Need exports for accounting? Done.

Multi-Community Management

Switch between communities in one click. Each with its own members, meters, rates, and billing history — all in one workspace.

Team & Role-Based Access

Invite colleagues and assign roles — admins, maintainers, or viewers. Everyone sees exactly what they need.

Separate Workspaces

Separate workspaces keep your communities' data organized and isolated. Perfect for managing multiple properties or portfolios.

How It Works

Add Members

Configure Rates

Set solar, grid, and feed-in tariffs — including VAT settings.

Upload CSV

Import your 15-minute energy data from the energy portal. Daylight saving time is handled automatically.

Review Data

See at a glance which months have complete data and are ready for billing.

Set Billing Period

Choose the year, start and end months, and your preferred billing interval.

Generate Bills

Preview costs, then generate polished PDF bills for every member in one click.

Guides

Everything you need to get started with your solar community billing

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From CSV to Your First Bill — Step by Step

Step-by-step guide to downloading your energy measurement data from the energy portal.