Service Center

REES:
Smart energy billing
& process automation.

Your platform for billing, tenant electricity, and the future of energy!

Whether you are an owner, manager, or tenant, with REES, everyone can be part of the energy transition. Our modular platform for digital energy billing in apartment buildings, neighborhoods, and real estate portfolios brings everything together. From tenant electricity, heating costs, and e-mobility to communal building supply (GGV).

Transparent, automated, and economical!

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The practical, economical solution for energy billing:

  • Digital meter integration
  • Compatible with many wMBus meters
  • Automated billing for electricity, heating, and mobility
  • Scalable & multi-client capable
  • Fair for tenants, economical for owners
  • MieApp for tenants, transparent consumption and billing
  • Two-tier tariff model for tenant electricity
  • Data protection compliant, 2FA & rights management
REES Service Center
REES in detail

Simple, digital, well thought out.

REES automates the billing of electricity, heat, and e-mobility—making it more transparent for tenants and more efficient for property managers. The platform processes real measurement data or intelligently supplements it as needed.
Tenants can view their consumption directly in the MieApp—in your company's look and feel. Property managers and energy suppliers benefit from automated processes, flexible pricing, and complete control.

Whether tenant electricity with a two-tier tariff model, communal building supply, or billing during the year: REES thinks ahead—and provides reliable billing.

"With REES and the MieApp, we can provide our customers with a solution that makes tenant electricity projects easy. The platform automates complex processes for operators, and the app ensures transparency for tenants—a real game changer for the energy transition."
Sabrina FucknerManaging Director, Energy for People
Sabrina Fuckner

REES – less effort, more control for you
and transparency for your tenants.

Property managers & housing companies

Do you want to efficiently bill tenant electricity, heating costs, and charging infrastructure—without media breaks? REES automates your processes, saves time, and ensures legally compliant billing. Your tenants benefit from transparency, and you benefit from less effort.

Energy suppliers & municipal utilities

Are you looking for a platform to implement tenant electricity models, GGV, or dynamic tariffs in a cost-effective way? REES is multi-client capable, scalable, and integrates into your system landscape. This allows you to implement new business models efficiently and in a customer-friendly manner.

Project developers & portfolio managers

Are you planning new buildings or renovations with PV, storage, and charging points? REES supports you from planning to billing—and makes your energy projects future-proof, economical, and eligible for subsidies. At the same time, you create real added value for owners and tenants.

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The MieApp: Understanding energy made easy

With the MieApp, tenants can keep track of their energy consumption at all times—clearly, comprehensively, and in your company's look and feel. The app shows electricity and heat consumption and bills at a glance.
Thanks to the white label option, the app can be individually branded with your organization's logo, colors, and name. This turns a billing tool into a real service channel.

Features for tenants:

  • Real-time consumption overview
  • Display of solar and residual electricity share
  • Access invoices digitally

Benefits for owners and managers:

  • Fewer queries and less support effort
  • Greater acceptance of tenant electricity models
  • Stronger customer loyalty through branded app
To the demo

REES is modular and clearly structured—
for you and your tenants.

Get advice now

Tenant electricity with a two-tier tariff model

Fair and economical.

PV electricity is billed at a lower rate, residual electricity at market rates – automatically and transparently.

MieApp – branded & intuitive

Transparency for tenants.

Consumption and invoices in one app—with your company's branding.

Manage heating costs & fuels

Efficient & digital.

Record, bill, and cancel heating costs—including fuel tracking.

Contract & Rate Wizard

Fast & flexible.

Contracts, rates, and cancellations in just a few clicks—even when tenants change or rates change.

Easy billing for e-mobility

Charging processes under control.

RFID management, charging contracts, and billing directly integrated—even for shared charging points.

Secure & multi-client capable

Scalable & compliant with data protection regulations.

Two-factor authentication, rights management, and multi-client capability for large portfolios.

Get REES for your smart energy billing:

What can we do for you?
And what for the planet?

It's best to get in touch now and make a difference together. Time is of the essence!

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