Case Studies

Our products already proved their effectiveness in projects worldwide. Our test users validate our solutions and provide us feedback for continuously improving our service and your energy systems.

Stadtwerk Haßfurt: Microgrid design project

Optimized design and operation of a grid-connected energy cell with PV systems and battery storage while providing grid services.

Municipal utility – Stadtwerk Haßfurt

• District town in Bavaria, 15,000 inhabitants
• Planning of a microgrid with PV + 2MW battery
• Evaluation different tech + network services
• Optimization of design and operation

 

Main results

• Expansion of renewable + storage technologies
• Total costs decrease (CapEx +, OpEx -)
• LCoE reduced by up to 18%
• Provision of network services can be worthwhile

 

Energiecentrum Gotland: Self-sufficient communities

Maximized self-sufficiency and renewable energies with decentralized storage and sector coupling strategies to increase grid stability and reduce CO2 emissions

Energy agency Energiecentrum Gotland

  • Largest island in Sweden, 60,000 inhabitants
  • Unstable energy supply, mainland link out of date
  • Goal: carbon-neutral supply by 2025
  • Strengthen self-sufficiency & energy communities
  • Optimization with sector coupling

 

Main results

  • Decentralized storage prevents network failures
  • High self-sufficiency rate can be implemented
  • Integration of heat and e-mobility
  • Heat supply with heat pumps
  • Seasonal heat storage is a possible option

 

Allensbach: Flexible loads

Intelligent agent-based control of flexible loads enables a high proportion of renewable energies and stabilizes grid cells

Community Gemeinde Allensbach

  • At Lake Constance, 7,000 inhabitants
  • Validation of Smart Grid w/o load measurement
  • Technology for controlling flexible end devices
  • Creation of benchmarks for tech evaluation
  • Optimization of reference design and operation

 

Main results

  • Flexible loads facilitate the integration of renewable energies
  • Sector coupling increases flexibility and efficiency
  • Agent-based decentralized control makes sense
  • Sufficient number of participants required

 

ABB Europe: Factory in Costa Rica

Context and motivation

Electricity prices in Costa Rica are the highest in central America, for this reason companies, especially ones with high energy consumption, are looking to become more flexible and less grid-dependent.

Status quo

The factory was exposed to all variations in energy price, peak-loads, and peak-hours tariffs, leading to high energy bills. The facility relied 100% on grid electricity. The manufacturing center included three main sources of loads: processing plant, production waste treatment, and distribution unit. Two diesel generator units were also available as back-up.
Average base load: 1,4 MW.

Applied strategy

Techno-economical optimization, gathering of weather data, peak-shaving. Analysis of three integration scenarios for different combinations of rooftop-PV and Lithium-Ion batteries on the premises.

Study results

LCoE reduction up to 10 %, leading to a forecasted ROI of 70 % over a project lifetime of 25 years.

Schneider Electric: Integrated energy building in Berlin

Context and motivation

Planners are looking for a solution that provides fast profitability analysis considering as many real life factors as possible. This implies taking into account a variety of different effects when accounting for more complex and “sector-coupled” systems.
Most current methods are very limited, i.e. including only a restricted number of technologies. Also, their application is highly time consuming, as every system component needs to be dimensioned individually.

Status quo

A medium-sized condominium in Berlin (135 MWhel/a). was subject of investigation.
The building’s energy efficiency needs to be benchmarked and KPIs need to be defined. This is done in accordance to ISO 50001:2018, including both electricity, heating, and cooling efficiency.

Applied strategy

Techno economical optimization, load profile generation, power-to-heat, electrical autharchy. Elaboration of one scenario including CHP, PV, Wind Turbines, Heat Pumps, Compression Chiller, Boiler and Heat Storage.

Study results

LCoE reduction: electricity 37%, heating 55%, cooling 29%. Self-sufficiency level: 70%. The study shows high savings potential for the building, making investment attractive (estimated break-even-time: 4 years).

E.ON Off-Grid: Off-Grid System in Sierra Leone

Context and motivation

Off-Grid renewable systems gain attention in the Africa region, due to the numerous islands, drylands and high costs of transportation for fossil fuels and unreliable electric grid infrastructure.

Status quo

The kenema site is running mainly on diesel generators, leading to high LCoE and CO2 emission. Integration of renewables is desirable.

Applied strategy

Techno-economical and environmental optimization, load profile generation, CO2 reduction, load-following genset operation.
Elaboration of 2 scenarios including PV, Wind Turbine and Battery Systems.

Study results

LCoE and CO2 reduction of 48 % & 84 % respectively.
Increased renewable share from 0 to 91 %.

Stadtwerk Haßfurt: Microgrid design project

Optimized design and operation of a grid-connected energy cell with PV systems and battery storage while providing grid services.

Municipal utility – Stadtwerk Haßfurt

• District town in Bavaria, 15,000 inhabitants
• Planning of a microgrid with PV + 2MW battery
• Evaluation different tech + network services
• Optimization of design and operation

 

Main results

• Expansion of renewable + storage technologies
• Total costs decrease (CapEx +, OpEx -)
• LCoE reduced by up to 18%
• Provision of network services can be worthwhile

 

Energiecentrum Gotland: Self-sufficient communities

Maximized self-sufficiency and renewable energies with decentralized storage and sector coupling strategies to increase grid stability and reduce CO2 emissions

Energy agency Energiecentrum Gotland

  • Largest island in Sweden, 60,000 inhabitants
  • Unstable energy supply, mainland link out of date
  • Goal: carbon-neutral supply by 2025
  • Strengthen self-sufficiency & energy communities
  • Optimization with sector coupling

 

Main results

  • Decentralized storage prevents network failures
  • High self-sufficiency rate can be implemented
  • Integration of heat and e-mobility
  • Heat supply with heat pumps
  • Seasonal heat storage is a possible option

 

Allensbach: Flexible loads

Intelligent agent-based control of flexible loads enables a high proportion of renewable energies and stabilizes grid cells

Community Gemeinde Allensbach

  • At Lake Constance, 7,000 inhabitants
  • Validation of Smart Grid w/o load measurement
  • Technology for controlling flexible end devices
  • Creation of benchmarks for tech evaluation
  • Optimization of reference design and operation

 

Main results

  • Flexible loads facilitate the integration of renewable energies
  • Sector coupling increases flexibility and efficiency
  • Agent-based decentralized control makes sense
  • Sufficient number of participants required

 

Stadtwerk Haßfurt: Microgrid-Designprojekt

Optimiertes Design und Betrieb einer netzgekoppelten Energiezelle mit PV-Anlagen und Batteriespeicher unter Bereitstellung von Netzdienstleistungen.

Anwendungsfall Stadtwerk Haßfurt

  • Kreisstadt in Bayern, 15.000 Einwohner
  • Planung eines Arealnetzes mit PV + 2MW Batterie
  • Bewertung verschied. Technologien + Netz-DL
  • Optimierung von Design und Betrieb

 

Wichtigste Ergebnisse

  • Zubau Erneuerbarer + Speichertechnologien
  • Gesamtkosten sinken (CapEx +, OpEx –)
  • LCoE um bis zu 18 % reduziert
  • Bereitstellung von Netz-DL kann sich lohnen

Energiecentrum Gotland: Autarke Gemeinschaften

Maximierung von Eigenversorgung und Erneuerbaren Energien mit dezentralen Speichern und Sektorkopplungsstrategien zur Erhöhung der Netzstabilität und Reduktion von CO2-Emissionen.

Anwendungsfall Energiecentrum Gotland

  • Größte Insel Schwedens, 60.000 Einwohner
  • Instabile Energieversorgung, Festland-Link veraltet
  • Ziel: CO2-neútrale Versorgung bis 2025
  • Energieautarkie stärken & Energiekommunen etablieren
  • Optimierung mit Sektorkopplung

 

Wichtigste Ergebnisse

  • Dezentrale Speicher vermeiden Netzausfälle
  • Hohe Eigenversorgungsquote umsetzbar
  • Integration Wärme und E-Mobilität
  • Wärmeversorgung mit Wärmepumpen
  • Saisonale Wärmespeicher sind mögliche Option

 

Allensbach: Flexible Lasten

Intelligente agenten-basierte Steuerung flexibler Lasten ermöglicht hohen Anteil Erneuerbarer Energien und stabilisiert Netzzellen.

Anwendungsfall Gemeinde Allensbach

  • Gemeinde am Bodensee, 7.000 Einwohner
  • Validerung Smart Grid ohne Lastgangsmessung
  • Technologie zur Ansteuerung flexibler Endgeräte
  • Erstellung von Benchmarks zur Tech-Bewertung
  • Optimierung von Referenz-Design und Betrieb

 

Wichtigste Ergebnisse

  • Flexible Lasten erleichtern Integration Erneuerbarer Energien
  • Sektorkopplung erhöht Flexibilität & Effizienz
  • Agentenbasierte dezentrale Steuerung sinnvoll
  • Ausreichende Teilnehmeranzahl notwendig

 

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