Projects from the Green Energy Lab portfolio

Research projects

Demonstration projects

Two people are standing in front of an absorption machine that is located on a loading area.

AbSolut

Integrating absorption technologies that use thermally driven absorption processes to provide solutions for thermal energy systems in district heating and cooling systems

A flow simulation with blue lines inside the outline of a vehicle, an open laptop with a spreadsheet, and a mobile phone with a map

AC/DC

Development of networked and automated charging solutions for electric vehicles and integration into the energy network by means of load, fleet and charging management systems

Two large silver metal pipes lead into a concrete platform with stair railings and skyscrapers in the background.

ATES Vienna

Integrating aquifer thermal energy storage (ATES) into district heating networks to achieve complete decarbonisation: seasonal storage of heat from waste heat sources or excess energy

A person points a finger at a network of white lines.

Beyond

Development and testing of innovative, user-centered market designs and grid- and system-friendly applications for integrated energy systems using blockchain technology

Blockchain Grid

Investigation of possibilities based on blockchain technology to distribute free grid resources for the benefit of prosumers in the best possible way instead of limiting feeds

A person opens the door of a boiler in a biomass heating plant.

BM Retrofit

Development and demonstration of holistic modernisation concepts as well as the expansion of existing biomass-based district heating networks and systems

Boiler in biomass heating plant with indication “demo project”

BM Retrofit DEMO Kreuzstetten

Analysis and overall optimisation of the local heating network with network extension and densification, as well as the control and operation of the entire heating network

Boilers and pipes in a biomass heating plant labeled “Demo Project”

BM Retrofit DEMO Saalfelden

Demonstration and testing of a comprehensive, systemic and multi-stage modernisation concept in combination with the integration of a heat pump

Biomass heating plant "Wald" with indication "Demo-Project"

BM Retrofit DEMO Wald im Pinzgau

Modernisation and optimisation of the heating network by integrating local waste heat and a higher-level control strategy

Technical visualisation of an electric vehicle being charged

Car2Flex

Testing the technology and smart application of bidirectional charging for electric vehicles using three use cases to integrate e-mobility into the power grid in a meaningful way

A building with photovoltaic systems in the shape of a triangle on the façade

CLUE

Implementation of local energy communities to gain insights into optimal design, planning and operation as well as development of a toolkit

COOL-KIT

Development of interdisciplinary evaluated, modular system solutions (COOL-KIT) through selected active and passive cooling systems for integrating cooling into historic buildings from the “Gründerzeit”-period

Two large pipes with concrete pillars for support

DeRiskDH

Development and demonstration of innovative solutions to overcome technical challenges and minimise the investment risk in alternative heat sources

Bird's-eye view of a rural area with fields, residential buildings, and businesses. Individual houses are marked in blue and some businesses are marked in yellow, connected by lines. One line leads to a bar chart showing the twelve months.

DOPPLER

Implementation of decentralised optimisation measures in district heating networks based on demand response and development of a digital optimisation platform

Two people are standing next to cars that are charging at a charging station. One person is showing the other person something on their smartphone.

E3 – Energy, Equity, Equality

Promoting gender equality with regard to intersectionality in the context of the energy transition: identification of barriers to utilisation posed by key technologies

A man points to the solar panels with his finger, and next to him sits a woman and a small child looking at the solar panels.

Energy Cell “JOHANN”

Demonstration of the newly developed technology for seasonal energy storage (Energy Cell “JOHANN”) in three use cases related to sustainability and market processes

Bird's-eye view of photovoltaic systems in a field

Engage PV

Development and demonstration of social, technical, and economic innovations for improved system integration of photovoltaics using open innovation approaches

City with a tall waste incineration plant tower surrounded by colorfully decorated buildings and a building of Fernwärme Wien next to it

ExTra

Transformation of conventional heating networks into highly efficient heating and cooling networks by integrating a new type of “exergy transformer” (ExergieTrafos for heating and air-conditioning by district heating)

Solar panels on the tiled roof of a building, photographed from above at an angle through trees

FlexModul

Development of an innovative, modular and compact sorption storage system (a so-called thermochemical storage) and demonstration using two use cases

Schematic representation of different buildings (unloading station for lorries, residential building, office building) with PV systems on the roof, charging stations for different electric vehicles and wind turbines

GAMES – Grid Aware Mobility and Energy Sharing

GAMES explores how digitalization enables e-fleets to meet mobility needs and create new revenues through flexibility services.

Two bird's-eye view pictures of thermal baths

GEO.MAT

Decarbonisation of thermal baths and increasing the efficiency of geothermal energy systems with the help of heat pump technologies (planned implementation at two demo sites)

Schematic representation of solar power plants, wind turbines and hydroelectric power

Green the Flex

Innovative approaches to increasing flexibility of the electricity market: shifting the electricity consumption of households to times when sufficient electricity (ideally 100% green electricity) is available

A vehicle is being refueled with H2 gas.

H2REAL

Establishment of a “Hydrogen Valley”: implementation and demonstration of an integrated value chain for the production, storage, distribution and consumption of green hydrogen (H2)

Heat Water Storage Pooling

Development of a concept for an optimal management of hot water storage tanks on the basis of a flexible pooling approach and test operation in the wind region Burgenland

One person is standing on a picture of a city from a bird's eye view lying on the floor, and three other people are standing at the edge of the picture, taken from a bird's eye view.

Hybrid LSC

Implementation of a holistic sustainability approach in Local Sustainable Communities (LSCs) through a mix of technical, economic and social measures

A large silver-coloured boiler is connected to a building via pipes, seen from a low angle.

Hybrid District Heating DEMO

Developing innovative business models in connection with the energy source wind for a hybrid district heating system at the location Neusiedl am See and testing in practice

EVN's red district heating storage facility named “Theiß” stands alongside other heat storage facilities.

Hybrid storage system Theiss

Development and implementation of an innovative hybrid storage system, consisting of a thermal and an electrical battery storage system, in Lower Austria

A city is depicted in the background, and icons are displayed in a honeycomb pattern in the foreground (laptop, tablet, smartphone, screen, Wi-Fi symbol, wind turbines, solar panel, vehicle, building, high-voltage pylon, cloud).

NETSE

User-oriented development of technologies and services for energy communities: solutions for optimal planning and operational management of the energy community

A network of lines connecting circles with multiple icons representing individuals, set against an almost transparent world map and a blurred image of a city at night in the background.

Open Data Platform

Development of a publicly accessible web platform for the energy sector to provide easy access to and an overview of relevant data and interrelationships in the energy system

Smartwatch with weather display on a wrist

PersonAI

Using the further development of AI technologies to increase energy efficiency in the building sector: development of AI-based personal comfort models

A house with many glass windows, wind turbines to its left, and two large metal outdoor units with ventilation grilles to its right.

PnP Controls Tabs

Development of a plug-and-play control strategy for energy-flexible buildings with a focus on heat pumps: combination of heat pumps with thermally activated components (TABS)

The infographic shows the approach and methodology of the QuantEEFLEX project.

QuantEEFlex – Quantifying the economic value of energy flexibility in urban districts

Flexibility potential and grid-aware operation of districts with a focus on local heating grids

Rural area with houses, meadows, trees, and mountains in the background

R2EC – Regional Renewable Energy Cells

Development of a scalable system for decentralised, interacting energy cells: research into regional energy cells in three model energy regions in Austria

Schematic representation of a building that is currently being renovated from the outside with individual building elements

RENVELOPE

Development and demonstration of a cost-effective complete solution for serial, multifunctional CO₂-neutral and recyclable building renovation (Energy Adaptive Shell)

Construction sign in front of a large school building currently undergoing renovation, with the indication “Demo Project”

DEMO RENVELOPE – Serial building refurbishment of the vocational school in Knittelfeld

Application of “RENVELOPE - Energy Adaptive Shell” concept to school building

3D model of a multi-story residential building with balconies and windows labeled “Demo Project”

DEMO RENVELOPE – Circular building renovation of an apartment building in Vienna

Application of the “RENVELOPE - Energy Adaptive Shell” concept to a multifamily residential building

Photo of a multi-storey residential building with indication "Demo-Project"

RENVELOPE DEMO – Serial renovation of a student residence in Graz

Application of the "RENVELOPE - Energy Adaptive Shell“-concept to a student residence

Schematic cross-sectional view of a large underground water heat storage tank

ScaleUp

The first urban underground large-scale water heat storage system: research into the possibilities of constructing an underground heat storage facility to decarbonise district heating systems

Large batteries with red and black cables in a room

SecondLifeBatteries4Storage

Reuse of batteries that have already been used in the electromobility sector: examination of the batteries for remaining lifetime and usability on the basis of a newly developed system

Two garage spaces with charging facilities for electric vehicles

SmaChaCo – Smart Charging Community

Establishment of intelligent energy communities (EC) through the integration of intelligent and bidirectional charging infrastructure

Small-town residential area with houses and trees and a forest in the background

Smart City Neudörfl – RES² Community

Formation of an energy community and coordinated energy flow optimisation using heating and cooling as well as storage and flexibility options

Schematic representation of hills with wind turbines

Space4Wind

Combination of earth observation and numerical flow simulation: optimised yield forecasts for large and small wind turbines based on digital surface models (DSM)

Network of blue lines with five pins in green (gear), yellow (PV system), red (flame), light green (charging station for electric vehicles), and light green (car and bus) against the backdrop of a slightly blurred bird's-eye view of a city.

Spatial Energy Planning

Development of a spatially optimised heat supply infrastructure taking into account the potentials of renewable energy and technological options

Network of blue lines with pins in green, turquoise, and red with different icons (bicycle, PV system, wind turbines, heating plant, charging station for electric vehicles, P+R) against the backdrop of towns between fields and mountains.

Spatial Energy Planning II

Coordination of sustainable energy infrastructures based on the information system of SEP I: Spatial Energy Planning in the heating, electricity and transport sectors

Five thin pipes in a slightly blurred image at sunset

ThermaFLEX

Integration of various flexibility measures in district heating networks to increase the share of renewable energy and testing in several demonstration projects

Landscape with various buildings and factories and mountains in the background with indication "Demo Project"

Salzburg Absorption Heat Pump

THERMAFLEX DEMO PROJECT: Analysis of flexibility measures to demonstrate the industrial applicability of absorption heat pumps

Thermal pool with indication “Demo Project”

Waste heat recovery from thermal water – Therme Wien

THERMAFLEX DEMO PROJECT: Utilisation of the waste heat stored in the thermal water

Interior view of a large metal pipe or duct with indication "Demo-Project"

Heating and cooling with wastewater – Wien Kanal

THERMAFLEX DEMO PROJECT: Implementation of an innovative energetic use of waste heat from wastewater for heating and cooling

A large number of solar panels in a field with indication "Demo Project"

Large Scale Solar Integration Mürzzuschlag

THERMAFLEX DEMO PROJECT: Integration of a large solar system into the heating network

Photo of a heating plant with hot water storage tank with indication "Demo Project"

Modernization & heat pump integration in the Saalfelden heating plant

THERMAFLEX DEMO PROJECT: Increased efficiency of the biomass boiler

City with a tall waste incineration plant tower surrounded by colorfully decorated buildings and a Fernwärme Wien building next to it, labeled “Demo Project.”

Wien Spittelau High Temperature Heat Pump

THERMAFLEX DEMONSTRATION PROJECT: Utilisation of waste heat from the flue gas condensation of the incineration plant as an energy source for a high-temperature heat pump

Bird's-eye view photo of sewage treatment plant with indication “Demo Project”

Virtual heating plant Gleisdorf

THERMAFLEX DEMO PROJECT: Realisation of heat demand scenarios and development plans including all relevant and available local heat sources

Bird's-eye view of heat supply systems with indication "Demo Project"

100 % Renewable District Heating Leibnitz

THERMAFLEX DEMO PROJECT: Expansion of the district heating supply for the city of Leibnitz and the surrounding communities - with 100% renewable energy

A residential area next to an industrial area from a bird's eye view

UCERS

Greater involvement of participants and freely available data platform for energy communities of the future: Research using three test beds in Lower Austria and in Styria

Schematic representation of a person pointing to a circle, from which lines extend to other circles with keywords (planning, user feedback, control, KPI, fault detection). In the background, there is a schematic representation of a city with the words “stakeholder involvement” written on a street.

UserGRIDs

Development and demonstration of digital energy services to reduce greenhouse gas emissions on a research and teaching campus of Graz University of Technology

View of a city with a river at sunset, taken from a tall building

Zukunftsquartier 2.0

Development of a concept for the grid-supporting integration of innovative (positive energy) districts with high on-site energy generation into the existing grid infrastructure (electricity and district heating)

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