Clarity, comfort, control for end-users.

Easy energy services that work for you, not the other way around.

Our services are designed to simplify work and make it more accurate. By using innovative technologies and digital services, we simplify your life and reduce effort.

Where transparency meets quality of life.

With ista at your side, you benefit from a wide range of smart energy and building management services. Whether transparent consumption recording, automated billing, digital monitoring platforms or intelligent energy-saving solutions.

Utility Billing

Consolidate all your utility services into one streamlined billing system, simplifying payments and reducing administrative efforts for both property managers and end-users.

Retrofit Solution

Transform your existing systems with our retrofit solutions, designed to improve efficiency, sustainability, and performance without the need for full system replacements.

Collection of Chilled Water Charges & Customer Service

Enhance your payment processes and customer satisfaction with efficient cash collection services and dedicated support, ensuring smooth transactions and responsive assistance for end-​users and property managers.

Be in control.

Get transparency and easy payment with MY ista.

Experience the convenience of managing your energy consumption, account and bills in one place with our online energy portal.

End-users service source.

All laws and regulations in one place.

Laws and regulations are constantly evolving. Clearly structured and always up to date, so you can make informed decisions with confidence.

Read more

Quick help, clear answers.

Whether you have technical questions, account settings or an overview of functions - you'll find everything you need here.

150,000+ meters enabled real-​time data.

Seamless MDMS integration of meters enabled real-time data access, faster billing, and greater satisfaction.

Get instant help.

Most frequently asked Questions and Answers.

Need help and like to get in touch with us.

Our strength lies in our personalised service, backed up by our market-​leading portals, giving our customers 24/7 access to their energy data, on one bespoke platform. 

Where innovation meets responsibility.

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 mil.
t CO₂ emissions avoided

14 mil.
utilisation units