An aerial view of a residential complex showcasing several multi-story apartment buildings equipped with rooftop solar panels. The buildings are arranged in a circular layout, surrounded by well-maintained greenery, trees, and parking lots filled with vehicles. The roads curve around the complex, connecting the various structures. This image highlights the implementation of renewable energy through solar panels in a modern residential community, emphasizing sustainability and eco-friendly living practices. It illustrates the community's commitment to reducing its carbon footprint and embracing innovative energy solutions.

Transform Your Property with On-Site Generation.

Seamlessly integrate ZEV-Abrechnung for a sustainable and efficient energy solution.

Your benefits at a glance:

Accurate & Transparent Billing

Contribute to a Sustainable Future

Enhance Property Value

Be Compliant with Regulations

Simplifying Sustainable Energy Implementation.

With the rising demand for photovoltaic systems, property managers face the challenge of optimizing energy consumption and billing in residential buildings. The complexity of managing self-consumption communities and complying with stringent regulations can be daunting.

The On-Site Generation service of ista with ZEV-Abrechnung offers a comprehensive solution, enabling efficient and cost-effective energy management and billing, making it easier to meet regulatory requirements and achieve sustainability goals.

Functional explanation: Integrated Energy and EV-Charging Solutions.

Our modular service not only covers planning, metering, and billing for on-site energy generation but also integrates with our EV-Charging service. This seamless integration ensures efficient energy management and charging infrastructure, offering a holistic solution for modern residential properties.

Partner with ista for comprehensive, sustainable energy solutions tailored to your needs.

The Benefits of Sustainable Energy Management.

Our On-Site Generation service with ZEV-Abrechnung is designed to simplify energy management and enhance sustainability in residential real estate. Explore the key benefits that make our service indispensable.

Our Smart & Future-Proof Devices for a Smoother Experience.

Combining our one-stop solutions with innovative technology in our devices, managing your metering options has never been easier. Find out more about the devices which round up the ista eco-system for your property.

The background is coloured in dark blue and on the right side is the M-Bus from ista depicted.

Wired System (M-Bus)

Effortlessly monitor all meters.

The background is coloured in dark blue and on the right side is the radio system from ista depicted.

Wireless System (Radio)

Simplify your metering process.

MinuteView

Your energy insight tool.

Facts & Figures

6.300
Employees

Icon: In einem Kreis in der Farbe lime Grün befindet sich eine abstrakte Darstellung der Erde.

20
Countries

3,7 Mio
t CO₂ emissions avoided

43 Mio
Radio devices

14 Mio
Utilisation units

Your benefits at a glance:

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Discover more Innovative Solutions to Transform Your Property.

Our custom solutions are designed to help our clients reduce their environmental impact, improve health and safety in their buildings, and save energy costs.

The Image shows a young man with a dark blue shirt, sitting relaxed on a table right by a window on the right side of the picture. He is smiling while looking outside, because with ista, his electricity billing is simplified and still precise, making it an effortless billing experience.

Electricity billing

Control electricity costs with precise billing, invoicing, and remote meter management.

The image depicts a man sitting at a round table in a well-lit office space. There is a glass of water and a small espresso cup on the table, adding to the professional yet comfortable atmosphere. The man is smiling and engaged with the water consumption billing from ista on his laptop, taking notes in a notebook. He is wearing a blue button-down shirt and glasses. The background features a flip chart, potted plants, modern furniture, and large windows allowing natural light to flood the room.

Water Billing

Save time and money with remote metering and transparent water billing solutions.

The picture shows a modern residential complex with several white, multi-storey residential buildings standing on the left and right side of a paved path. The buildings have balconies with dark railings, and some balconies are decorated with plants and furniture. A wide, paved footpath stretches between the buildings and continues into the distance. On the left side of the path are lush green areas and colourful flowerbeds that embellish the space between the buildings. On the right-hand side of the path, young trees are planted at regular intervals, forming a green avenue together with manicured lawns. Other buildings can be seen in the background, completing the urban surroundings of the residential complex. The sky is clear and blue, indicating a sunny day. Overall, the picture conveys a calm and pleasant living atmosphere in a modern, well-maintained environment.

Heat Optimasation

Optimise heating systems for enhanced efficiency and savings.