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From complex to controlled. The engine for the energy transition.

Automated billing for decentralised energy supply: Electricity & heat with minimal manual effort.

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Trusted by more than 200 companies

 

One platform for innovative energy business models

From on-site solar to heat supply and spot-based tariffs: every model runs on the same billing foundation.

Aerial view of a tenant electricity project in Münster: a residential building with a photovoltaic system on its flat roof.

Decentralised power supply

Bill tenant electricity and on-site PPAs automatically, from meter data to payment.

Two heat pump outdoor units on a lawn next to the façade of a residential building.

Heat

Bill heat supply at the central transfer meter, including price adjustment clauses.

An employee sitting at a desk in front of a monitor in an office, with other people in the background.

Dynamic tariffs

Bill dynamic tariffs automatically, based on time series and epex spot prices.

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The full meter-to-cash process in one place

From meter reading to payment received, whether you bill a tenant electricity project or interval-metered business customers.

Key features

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Meter data processing: Process smart meter and interval metering data, including virtual metering.
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Contracts & master data: Manage customers, contracts and meter assignments in one system.
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Pricing & billing: Configure price components, from spot prices to price adjustment clauses, and run billing cycles automatically.
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Payments & ledger export: Match payments, manage dunning and export booking records to your accounting system.

Built to fit your system landscape

Solarize works as a specialised sub-ledger alongside your existing ERP. Its open API connects your metering infrastructure, ERP and customer portal, so you can add new partners and products as your business grows.

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Customers who rely on Solarize

Stadtwerke Völklingen Logo

Utility

Stadtwerke Völklingen

"Solarize shows a strong drive to innovate and responds flexibly to our development requests. New features are delivered quickly and reliably. What convinces us most is the technical performance of the platform: load profile data is available as soon as the meter is installed and can be processed seamlessly."

Martin Germann
Managing Director, Stadtwerke Völklingen Vertrieb GmbH

Martin Germann: Managing Director of Stadtwerke Völklingen Vertrieb.
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Property owner

Stadtmarken New Energy

"Tenant electricity isn't rocket science, but it takes courage and staying power. With Solarize, the path was clear from the start, because they bring the know-how and technology to manage the complexity in the background. It is an economically attractive value driver for our property portfolio and a key lever for putting our sustainability strategy into practice."

André Spott
Authorised Officer, Stadtmarken

André Spott: Authorised signatory at Stadtmarken.
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Contractor

ALVA Energie

"Solarize saves us a significant amount of time through automated billing, reduces sources of error and integrates smoothly into our existing processes."

Marc Schuhbauer
Co-Founder, ALVA Energie

Marc Schuhbauer: Co-founder of ALVA-Energie.
Frederik Pfisterer and Andi Weiß in the office: they are looking at a laptop screen together.

Ready for the future of energy billing? 

Let's talk about the business models you want to scale.