# EA Systems Dresden GmbH

> EA Systems Dresden makes complex energy systems understandable through dynamic simulation, technical monitoring, and sound assessment, providing confidence in planning.

The linked Markdown files contain the published page content of this website.

## Key Pages

- [We Make Energy Systems Predictable.](/en/index.md): EA Systems Dresden makes complex energy systems understandable through dynamic simulation, technical monitoring, and sound assessment, providing confidence in planning.
- [Our Services and Tools for Complex Energy Systems](/en/services/index.md): Solutions from EA Systems Dresden.
- [Practical Examples](/en/solutions/index.md): Reference and research projects from EA Systems Dresden.
- [Committed People Behind Technical Solutions](/en/company/about-us/index.md): About EA Systems Dresden.
- [Advancing Knowledge. Creating Solutions.](/en/company/history/index.md): Ideas and research become applied solutions at EA Systems Dresden.
- [Research Findings and Technical Contributions From Our Work](/en/company/publications/index.md): Publications by EA Systems Dresden.
- [Work on What Matters Tomorrow.](/en/company/career/index.md): Careers at EA Systems Dresden.
- [Helping Good Ideas Stand Up to Critical Questions.](/en/company/scientific-advisory-board/index.md): The scientific advisory board of EA Systems Dresden.
- [Good Solutions Rarely Come From One Person Alone.](/en/company/customers-partners/index.md): Clients and partners of EA Systems Dresden.
- [What Drives Us and What We Are Working On](/en/news/index.md): News from EA Systems Dresden.

## Optional

- [Company](/en/company/index.md): The company EA Systems Dresden.
- [Let’s Talk About Your Project](/en/contact/index.md): Whether you want to simulate an energy system, improve its operation, or find the right software library — tell us what you have in mind.
- [Language Note](/en/gender-notice/index.md): Language note of EA Systems Dresden GmbH
- [Imprint](/en/imprint/index.md): EA Systems Dresden GmbH
- [15th REWE Team Challenge 2024](/en/news/15-rewe-team-challenge-2024/index.md): The EA Systems Dresden team joined 28,500 runners for the five-kilometer REWE Team Challenge through central Dresden.
- [Buildings – Plants – People: BauSIM 2016, September 14–16 in Dresden](/en/news/bausim-2016/index.md): At BauSIM 2016, EA Systems presents joint optimization of local electricity and heating networks. Further presentations cover coupled building and plant simulation from EnTool:CoSim.
- [From IFC to Plant Simulation: BIM – BEM – BPS](/en/news/bim-bem-bps/index.md): The IFC2GC toolchain transfers building information from IFC files into Green City models for SimulationX. A supervised master’s thesis examines automated information transfer from BIM to BEM.
- [Workshop: BIM-Based Building and Plant Simulation to Reduce Energy Demand in Construction](/en/news/bim-building-simulation-workshop/index.md): EA Systems Dresden and its project partners present results from ARCHE and FMI4BIM. The workshop covers BIM-based simulation and self-optimizing control methods for building energy systems.
- [Your Contact for the Blue Energy Simulation Library in North America](/en/news/blue-energy-library-north-america/index.md): Model Based Innovation supports customers in North America using the Blue Energy Library in Modelon Impact. The partnership combines energy systems expertise with model-based development.
- [Case-Based Selection of Control Strategies to Optimize Building Consumption](/en/news/case-based-control-strategy-selection/index.md): A supervised diploma thesis examines case-based control strategies for building heating systems. A simulation-based case study achieved cost reductions of up to ten percent.
- [Green Light for Charging Infrastructure Funding](/en/news/charging-infrastructure-funding/index.md): The BMVI funding scheme supports publicly accessible charging points and grid connections. EA Systems Dresden provides technical planning and assessment of alternatives to support funding applications.
- [Invitation to a Technical Talk – Charging Infrastructure and Local Grids](/en/news/charging-infrastructure-lecture/index.md): At the IHK energy and environment meeting, EA Systems explains how charging infrastructure integrates into local grids and how intelligent control supports grid-friendly charging.
- [A Practical Planning Tool for Charging Infrastructure](/en/news/charging-infrastructure-planning-tool/index.md): Green City/Mobility supports technical planning of charging infrastructure and its integration into buildings and districts. Models represent vehicles, charging controllers, storage, and supply networks.
- [Successful Cooperation Talks With Chinese Companies](/en/news/china-cooperation-talks/index.md): During a visit by a business delegation from Hubei, EA Systems Dresden discussed energy efficiency, integrated renewable energy systems, and charging infrastructure with Chinese companies.
- [Visit to China in August 2019](/en/news/china-visit-2019/index.md): In Beijing, René Unger discussed joint pilot projects for energy systems. Efforts to enter the Chinese market continue, although the COVID-19 pandemic has delayed negotiations.
- [EA Systems Dresden Wishes You a Merry Christmas!](/en/news/christmas-2020/index.md): EA Systems Dresden wishes everyone a merry Christmas and a peaceful holiday season.
- [Third Annual Cleantech Conference on November 7, 2016, With EA Systems](/en/news/cleantech-conference-2016/index.md): EA Systems presents Green City/SimulationX at the annual Cleantech conference in Berlin, focusing on planning charging infrastructure, distribution networks, and large-scale storage systems.
- [We Are Still Here for You!](/en/news/covid-support/index.md): EA Systems Dresden remains available by phone and email during the COVID-19 pandemic. Digital collaboration keeps communication open despite restrictions on in-person contact.
- [From Practice: Digitally Measuring and Efficiently Using Electricity and Heat](/en/news/digital-energy-monitoring/index.md): EA Systems Dresden presents practical approaches to connecting electricity and heat supply. The contribution on digitalization in municipalities also addresses the mobility transition.
- [Interactive. Real Time. Open Source. – A Digital Twin for the Energy Transition](/en/news/digital-twin-energy-transition/index.md): An interactive tool was developed for WiD Wohnen in Dresden to assess residential buildings. It compares energy system options in the browser and reports self-sufficiency, CO₂, electricity, and heat metrics.
- [Digital Twins for Testing PLC and Energy Management Algorithms](/en/news/digital-twin-plc-testing/index.md): Digital twins connect physical system models to control software. A Green City Library example shows how battery control and energy management can be tested before deployment to a real installation.
- [DigiTwinPlan: Dynamic Building Simulation in the Design Process](/en/news/digitwinplan-building-simulation-planning/index.md): DigiTwinPlan aims to simplify the path from building plans to simulation models. The goal is to assess heat demand dynamically early in planning and support building systems sizing.
- [DigiTwinPlan: A Data Model from the First Idea to Detailed Planning](/en/news/digitwinplan-semantic-data-model/index.md): DigiTwinPlan is developing a semantic data model that grows with building planning. It connects planning information, automatically derived simulation models, and decision support.
- [Launch of Fernwärme-Transformation.de – Your Resource for Sustainable, Transformed Heat Supply](/en/news/district-heating-transformation-launch/index.md): The new website brings together services and products for district heating transformation. Heating network simulation and models support utilities, municipalities, and engineering firms in addressing their questions.
- [An Innovative Tool for District Planning](/en/news/district-planning-tool/index.md): The district model assesses integration of photovoltaics and battery storage using detailed load profiles. A web interface supports studies ranging from individual buildings to entire districts.
- [ENERGY SAXONY \#ENERGIETalk on November 30, 2022](/en/news/energy-saxony-energy-talk-2022/index.md): In the ENERGY SAXONY \#ENERGIETalk, Markus Ehrlein explains district heating network simulation for optimizing existing systems, planning new networks, and extending routes. The talk is available as a video.
- [Networking Meeting: ENERGY SAXONY SUMMIT on September 27, 2016](/en/news/energy-saxony-summit-2016/index.md): EA Systems invites visitors to the ENERGY SAXONY SUMMIT in Dresden. The annual conference focuses on flexibility and digitalization in climate-neutral energy supply.
- [EA Systems Dresden at the Energy Saxony Summit 2017](/en/news/energy-saxony-summit-2017/index.md): EA Systems Dresden presents Green City Mobility, a simulation tool for planning charging infrastructure and assessing its integration into buildings and local grids.
- [EA Systems at \#EnergyTalk](/en/news/energy-talk-2020/index.md): At Energy Saxony’s \#EnergyTalk, Alexander Hentschel presented the district energy planning tool. A video summarizes the key points of the talk.
- [FMI4BIM – Workshops at the Third Energiewendebauen Congress in Wuppertal](/en/news/fmi4bim-wuppertal-workshops/index.md): The FMI4BIM workshop shows how BIM data feeds into building and plant simulations. Project partners present model generation, FMU coupling, and analysis for engineering design.
- [Second Place – Our Colleague Wins a 2019 Engineering Award!](/en/news/funding-award-2019/index.md): Ole Ziessler received the second-place 2019 award for his diploma thesis on machine learning for building monitoring data analysis. EA Systems Dresden supervised the thesis.
- [Green City Mobility at the ATZ Conference on June 5–6, 2018](/en/news/green-city-mobility-atz/index.md): EA Systems Dresden and ESI ITI present Green City Mobility. The tool supports charging infrastructure planning and technical and economic comparison of energy supply options.
- [Green City – Models & Simulation in Practice](/en/news/green-city-models-simulation/index.md): Using the MAtchUP project, EA Systems Dresden demonstrates how Green City/SimulationX supports model-based planning of connected energy systems and assessment of investment proposals.
- [Green City – A New Era of Sustainability in Our Digital Library World](/en/news/green-city-new-era/index.md): The new Green City website introduces the Modelica library and its use for connected energy systems. It provides an introduction to analyzing complex energy supply systems together.
- [Introducing Our Green City OpenMic – Simulation Talks](/en/news/green-city-openmic/index.md): The free monthly Green City OpenMic – Simulation Talks offer an opportunity to ask questions, share feedback, and discuss simulation with our specialists via Microsoft Teams.
- [EASD and H2 MOBILITY at the 15th Diagnostics Conference in Dresden](/en/news/h2-mobility-diagnostics-conference/index.md): EA Systems Dresden and H2 MOBILITY present an extension of the service and diagnostics infrastructure for hydrogen stations. The presentation covers connected diagnostics and information flows.
- [Balancing Budgets With Ice and Sunshine – Energy Architects in the Latest HLH Issue](/en/news/hlh-energy-efficient-school/index.md): The September issue of HLH reports on an energy retrofit for a school using ice and solar energy and its benefits for the district. The article is available to read.
- [IHK Roundtable – MAtchUP](/en/news/ihk-matchup/index.md): EA Systems and its partners presented the MAtchUP smart city project at the IHK energy meeting, focusing on energy efficiency, renewable energy, mobility, and digitalization in Dresden-Johannstadt.
- [MAtchUP: Johanna Primary School – An Energy-Saving Pilot Project Comes to a Close](/en/news/matchup-johanna-school/index.md): Energy monitoring and a digital twin enabled optimization of heating control at Johanna primary school. The four-year pilot project achieved heat energy savings of around one third.
- [MAtchUp – Smart and Electric: Dresden Goes Climate Neutral](/en/news/matchup-smart-and-electric/index.md): Dresden-Johannstadt serves as a pilot area on the path to climate neutrality. A video presents the project and EA Systems Dresden’s involvement.
- [EA Systems Dresden at the metaStream Network on November 3, 2016, in Leipzig](/en/news/metastream-network/index.md): At the metaStream technical meeting, EA Systems explained charging infrastructure integration into local grids, covering charging behavior, intelligent load management, and grid-supporting storage.
- [Model Predictive Control for Residential Heat Supply](/en/news/model-predictive-heating-control/index.md): A supervised diploma thesis examines cost-optimal control of a heating plant with a heat pump, CHP unit, boiler, and storage. The model predictive method accounts for time-varying energy prices.
- [Launch of a Municipal Electric Mobility Strategy](/en/news/municipal-e-mobility-concept/index.md): EA Systems Dresden and KEM are developing an electromobility concept for the Bad Tennstedt administrative association, including baseline and potential analyses, charging infrastructure concepts, and an electromobility handbook.
- [Expanded Funding Opportunities Under the Municipal Guideline](/en/news/municipal-guideline-funding/index.md): The expanded municipal guideline supports investments and engineering services that improve energy and resource efficiency. It also covers sports clubs and climate protection measures in data centers.
- [EA Systems Dresden Wishes Everyone a Happy New Year!](/en/news/new-year-2021/index.md): After a challenging year, EA Systems Dresden looks ahead with confidence and wishes everyone a happy new year.
- [We Are Back – Exhibiting Our OPoS Solution!](/en/news/opos-dresdner-fernwaerme-kolloquium-2026/index.md): At stand 23 in WTC Dresden, EA Systems Dresden demonstrates how OPoS calculates optimized schedules for generators and storage and supports operation of complex energy systems.
- [EA Systems Dresden Is Now Prequalified](/en/news/prequalification/index.md): EA Systems Dresden is prequalified for energy-saving consultancy and technical planning services and is listed in the IHK’s official register for public contracts.
- [Riesa: Verifying Pressure Maintenance with an Existing Digital Twin](/en/news/riesa-pressure-maintenance-digital-twin/index.md): An existing digital twin was reused to size a planned unpressurized balancing tank for Stadtwerke Riesa. Simulation confirmed the sizing for both the current and the future combined district heating network.
- [Green City Application Examples at the SimulationX Conference 2018](/en/news/simulationx-conference-2018/index.md): The energy engineering forum showcases Green City applications for buildings, districts, heating networks, and storage. Further presentations cover optimization, controller development, and coupled simulations.
- [Sino-German SME Conference 2018](/en/news/sino-german-sme-conference/index.md): In Jinan, EA Systems Dresden presented solutions for energy system planning and optimization. The event supports efforts to introduce Green City to the Chinese market.
- [Smart City Dresden – EA Systems Dresden Simulates an Energy-Efficient District](/en/news/smart-city-dresden/index.md): In the MAtchUP project, EA Systems Dresden models energy systems in the Johannstadt district. Simulations support assessment of renewable energy, storage, and charging infrastructure.
- [Smart City Expo World Congress 2019](/en/news/smart-city-expo-2019/index.md): In Barcelona, EA Systems Dresden and MAtchUP partners showcased urban energy supply and mobility solutions. An interactive test rig demonstrated control algorithms and monitoring.
- [From Hand Cranks to Autonomous Driving – 18th Road Safety Day at the Sachsenring in Hohenstein-Ernstthal](/en/news/traffic-safety-day-2016/index.md): At the road safety day at Sachsenring, visitors can try electric vehicles and driver assistance systems. EA Systems Dresden provides charging infrastructure for the electric vehicles.
- [Unhide The Champions X Energy & Environmental Technologies](/en/news/unhide-champions-energy/index.md): The virtual trade fair connects startups, established companies, and investors in energy and environmental technology. EA Systems Dresden presents its offering in a pitch video.
- [Volleyball Team Event – Coming Together at the Net](/en/news/volleyball-team-event/index.md): At the volleyball team event on August 20, 2024, colleagues played in mixed teams. The afternoon offered time for sports and conversation outside the office.
- [New Website: Connecting Your Energy Challenges with Relevant Solutions](/en/news/website-relaunch/index.md): EA Systems Dresden’s redesigned website connects common energy engineering challenges with services, solutions, and project references. It is built with Astro, Markdown, and YAML.
- [Second WTC Sustainability Impulse – We Are Taking Part!](/en/news/wtc-sustainability-impulse/index.md): At the WTC sustainability event, Markus Ehrlein discusses sustainability initiatives and goals with regional business representatives. The event is part of sustainability week at WTC Dresden.
- [Privacy Policy](/en/privacy-policy/index.md): EA Systems Dresden GmbH
- [AarteLink Monitor for Geohazards](/en/services/aartelink-monitor/index.md): AarteLink Monitor from EA Systems Dresden.
- [Digital Twin – Modeling Energy Systems](/en/services/digital-twin/index.md): Digital twins from EA Systems Dresden.
- [District Heating Network Simulation – Heat Supply 4.0](/en/services/district-heating-network-simulation/index.md): District heating network simulation from EA Systems Dresden.
- [District Model – An Innovative Tool for District Planning](/en/services/district-model/index.md): An innovative district model for assessing renewable energy integration or retrofit measures enables detailed load profile calculation.
- [Dynamic Plant Simulation](/en/services/dynamic-plant-simulation/index.md): Dynamic plant simulation from EA Systems Dresden.
- [EASD SimBus](/en/services/easd-simbus/index.md): EASD SimBus from EA Systems Dresden.
- [easyCharge2 Modular Charging System](/en/services/easycharge2/index.md): easyCharge2 from EA Systems Dresden.
- [Green City Mobility – Planning Tool for Electromobility](/en/services/green-city-mobility/index.md): Green City Mobility from EA Systems Dresden.
- [Heating Network Calculation (Thermal, Hydraulic)](/en/services/heating-network-calculation/index.md): Heating network calculation from EA Systems Dresden.
- [Energy Efficiency Optimization for Industry](/en/services/industrial-energy-efficiency-optimization/index.md): Energy monitoring from EA Systems Dresden.
- [BlueEnergy Simulation Library](/en/services/products/blue-energy/index.md): The role of the BlueEnergy Simulation Library in EA Systems Dresden's services.
- [Digital Twin](/en/services/products/digital-twin-product/index.md): The role of the Digital Twin in EA Systems Dresden's services.
- [EnergieWatchdog](/en/services/products/energie-watchdog/index.md): The role of EnergieWatchdog in EA Systems Dresden's services.
- [District Heating Transformation](/en/services/products/fernwaerme-transformation/index.md): The role of District Heating Transformation in EA Systems Dresden's services.
- [GreenCity Simulation Library](/en/services/products/green-city/index.md): The role of the GreenCity Simulation Library in EA Systems Dresden's services.
- [OPoS](/en/services/products/opos/index.md): The role of OPoS in EA Systems Dresden's services.
- [Space Base Energy Library](/en/services/products/space-base-energy/index.md): The role of the Space Base Energy Library in EA Systems Dresden's services.
- [Feasibility Studies for Site Energy Supply](/en/services/site-energy-supply-feasibility-studies/index.md): Feasibility studies for long-term viable site energy supply concepts.
- [Technical Monitoring for Smart Buildings on Site](/en/services/technical-monitoring/index.md): Technical monitoring from EA Systems Dresden.
- [Airloop](/en/solutions/airloop/index.md): Extending NANDRAD and BIM HVACTool with EA Systems model components for air conditioning
- [ARCHE](/en/solutions/arche/index.md): Semi-automated processes for developing building control functions from measurement data and simulation models
- [Charging Infrastructure](/en/solutions/charging-infrastructure/index.md): Further easyCharge electromobility projects
- [Charging at Walzmühle in Ludwigshafen](/en/solutions/charging-walzmuehle-ludwigshafen/index.md): easyCharge charging stations and monitoring for the electromobility pilot phase
- [Climate Protection Concept for Oberhof](/en/solutions/climate-protection-concept-oberhof/index.md): Simulating and validating energy-saving concepts for winter sports
- [DigiTwinPlan](/en/solutions/digitwinplan/index.md): DigiTwinPlan's digital twin combines modern simulation and optimization techniques with practical planning processes.
- [Control Concept for Bad Langensalza's District Heating Network](/en/solutions/district-heating-control-bad-langensalza/index.md): Development of a control concept for Bad Langensalza's district heating network, with particular attention to its two heat generation sites
- [Network Hydraulic Analysis: Elbufer & August-Bebel-Straße](/en/solutions/district-heating-network-analysis-riesa/index.md): Model-based analysis and development of the Elbufer and Bebelstraße district heating networks for Stadtwerke Riesa's transformation planning
- [Hydraulic Analysis of Schneeberg's District Heating Network](/en/solutions/district-heating-network-hydraulics-schneeberg/index.md): Dynamic district heating network model, measurement data calibration, and hydraulic and thermal network analysis for Stadtwerke Schneeberg
- [Heating Network Simulation in the IE-BioNetz Project](/en/solutions/district-heating-simulation-ie-bionetz/index.md): Model creation and support for modeling and simulating heating networks with SimulationX
- [Domestic Hot Water Connection Options: Heating From District Heat](/en/solutions/domestic-hot-water-from-district-heating/index.md): Simulation-based investigation of different system configurations for domestic hot water heating from district heat
- [Energy Audit at Erzgebirgskrankenhaus Annaberg](/en/solutions/energy-audit-annaberg/index.md): Audit according to DIN EN 16247, with a particular focus on refrigeration systems and steam generators
- [Energy Concept for Lohmen](/en/solutions/energy-concept-lohmen/index.md): District energy concept and local heating simulation with GreenCity
- [Energy Concept for Oberhof's Sports Facilities](/en/solutions/energy-concept-sports-facilities-oberhof/index.md): Dynamic simulation of a coupled local heating and cooling network, including generators, as part of implementing the energy concept
- [Validated Energy Concept – Dresden Wiener Straße 38–42](/en/solutions/energy-concept-wiener-strasse/index.md): Energy concept consulting, simulations, and cost calculations
- [Energy-Efficient Research Greenhouse](/en/solutions/energy-efficient-research-greenhouse/index.md): Plant simulation and monitoring for a highly efficient greenhouse at TU Leipzig
- [Energy Retrofit – Lohr School and Sports Center](/en/solutions/energy-efficient-school-renovation-lohr/index.md): System simulation, energy monitoring, and commissioning support for an advanced energy supply system
- [EnTool:CoSim](/en/solutions/entool-cosim/index.md): Processes and interfaces for interoperability between different simulation tools in building services planning
- [FMI4BIM](/en/solutions/fmi4bim/index.md): Building Information Modeling as a method for automating and optimizing data management and exchange
- [FMI4Practice](/en/solutions/fmi4practice/index.md): The project aims to implement integrated building simulation as a practical tool in the planning process
- [Geohazards in the Elbe Sandstone Mountains](/en/solutions/geohazards-elbe-sandstone-mountains/index.md): Monitoring rock movements in the Kirnitzsch Valley and Schmilka with AarteLink
- [Heat Supply Planning for the MPI Göttingen Campus at Faßberg](/en/solutions/heat-planning-mpi-goettingen-campus/index.md): Development and assessment of concepts for future heating, cooling, and steam supply at the MPI campus at Faßberg
- [Models & Algorithms for H₂ Infrastructure](/en/solutions/hydrogen-infrastructure/index.md): Development and testing of algorithms, methods, tools, and examples for the next generation of smart grid interactions between vehicles, buildings, and storage systems.
- [Simulation of a New Special Education School – Focus on Ice Storage](/en/solutions/ice-storage-school-new-build/index.md): Simulation and validation of the ice storage system for heating and cooling a new special education school
- [TU Dresden Charging Campus](/en/solutions/ladecampus-tu-dresden/index.md): Acquisition of detailed measurement data on grid quality and charging processes with easyCharge for the electromobility showcase program
- [Concept Validation for Laurichhof in Pirna](/en/solutions/laurichhof-pirna/index.md): Energy system simulation and consulting for hotel building services planners
- [Local Heating Concept for Haßfurt](/en/solutions/local-heating-concept-hassfurt/index.md): Local heating concept with surplus feed-in and sizing simulation for a new development area
- [MAtchUp](/en/solutions/matchup/index.md): Energy system simulation, business models (tenant electricity), monitoring concept...
- [Energy Study for a Fully Renewable Supply](/en/solutions/renewable-energy-study/index.md): Concept validation, energy mapping, and further consulting services
- [Scientific Energy Monitoring at Sonthofen Secondary School](/en/solutions/scientific-energy-monitoring-sonthofen/index.md): EnOB-compliant monitoring and optimization of a zero-energy school
- [Strategic District Heating Network Simulation in Bad Langensalza](/en/solutions/strategic-district-heating-simulation/index.md): Dynamic simulation of local heating alternatives to support investment decisions
- [Residence and Mobility](/en/solutions/wohnen-und-mobilitaet/index.md): Core technologies and simulation tools for coupling and supplying buildings, local renewable generators, and electric vehicles
- [Zero-Energy Primary School in Wermsdorf](/en/solutions/zero-energy-primary-school-wermsdorf/index.md): Plant simulation and planning advice for a modern zero-energy primary school