Sustainability is our business

“The roots of Danish Energy Management & Esbensen have always been firmly planted in a passion for energy, in order to build a future where energy is applied efficiently and sustainably in an affordable way.”

With the merger of Danish Energy Management and Esbensen Consulting Engineers in June of 2015, Danish Energy Management & Esbensen became an industry leader with an expanded expert base and more than 100 years of combined experience. Danish Energy Management & Esbensen (DEM-ESB) focuses on energy policy projects, monitoring & evaluation (OECD-DAC criteria), physical projects on urban development plans, new construction and energy renovation of buildings. The sustainable and cost effective results delivered by DEM-ESB provide customer solutions both nationally and internationally. Our passion for energy is translated into sustainable and affordable solutions for our customers because of our approach and prioritization of energy resources.

Danish Energy Management & Esbensen services include, among others:

  • Implementation of RE, EE and DSM projects mainly in Denmark, Southeast Asia, Africa, and across Europe
  • Sustainable energy design of new buildings (Integrated Energy Design)
  • Sustainability management & measurement
  • Programming, project identification, design and appraisal of energy projects
  • Overall Energy Planning and Energy Economics
  • Human resource development programs and Capacity Building in energy related issues
  • Energy legislation and energy regulation
  • Economic / financial evaluation and analysis of energy infrastructure systems and energy projects, including pre-feasibility and feasibility studies, implementation modalities; and
  • Monitoring and evaluation of projects and programs in accordance with OECD-DAC criteria

The last point above, Monitoring and Evaluation, is a special feature that developed in the 1990s and has continued ever since. These services go beyond the energy sector and in fact cover almost all sectors within development aid, and can be explored via this link. This service is provided under the company name Danish Management.

1986 – The roots of Danish Energy Management (DEM) begin in Aarhus, when Frantz Longhi founded Dansk Energi Management.
1991 – DEM becomes co- owner of Hvidebæk Heating Plant, including the development of one of Denmark’s first remote reading systems for consumers.
1995 – DEM contributes to the work of the Danish Red Cross with Corporate Membership.
2000 – DEM expands presence into Malaysia and Thailand, laying the foundation for new energy market opportunities.
2001 – DEM becomes co- owner of Middelgrundens Vindmøllelaug, an offshore wind farm outside the harbor of Copenhagen, which can cover the entire organization’s energy consumption.
2003 – Company name now includes Danish Energy Management, reflecting increased international involvement with organizations such as DANIDA, UNDP, EBRD.
2003 – Code of Ethics and Business Integrity Management System created following the ten principals of the United Nations Global Compact, and the OECD’s Guidelines for Multinational Enterprises, using these as a standard for business practice.
2012 – A solar thermal system was established at the Hvidebæk Heating Plant, with an annual production of approx. 6,150 MWh nationwide – about 23% of the total heat.
2014 – Danish Energy Management becomes a Climate Partner with the City of Aarhus, which is renovating up to one million square meters of its own building stock by 2019, helping them to reduce CO2 by 30% in the municipality.
2015 - Merger of Danish Energy Management and Esbensen Consulting Engineers, resulting in Danish Energy Management & Esbensen (DEM-ESB).
1986 – Major turnkey projects in Denmark – development of a new biomass district heating scheme for medium sized cities. Services included financing, design, net connection, domestic installations and marketing.
1992 – First international energy projects begin with advising to Ministry of Economy and Energy in Estonia & Lithuania under the EU PHARE program providing energy policy recommendations and advice.
1995 – Monitoring & Evaluation projects begin in all sectors, including energy, environment, agriculture, education, etc. Technical Assistance to the Commonwealth of Independent States (TACIS). Each year, over 300 projects in all regions of the Russian Federation were monitored on a regular basis to ensure that projects remained on course and achieved their objectives.
1996 – First international ESCO project in SIA Marupe, Latvia. Project executed for the Danish Environmental Protection Agency. Feasibility, evaluation and final supply contract for a 2 MW electricity combined heat and power project.
1999 – Industrial Energy Efficiency Improvement in Malaysia. DEM was selected by the Prime Minister of Malaysia to reduce barriers that hinder implementation of energy efficiency and conservation. The project was financed by the United Nations Development Program (UNDP).
2000 - Support for Renewable Energy in Malawi. Services included: Technical assistance in development of financing mechanism for RE technologies, technical assistance in mapping of RE energy resources, and technical assistance in carrying out a demonstration project on PV systems. The project was financed by the Danish Ministry of Foreign Affairs (DANIDA).
2002 – First EU Energy Facility project. This project provided technical assistance to the ACEAN countries in the form of project identification, selection and implementation. EU Energy Facility programs aim to increase access to modern and sustainable energy services via EU co-financing.
2003 – First CDM (Clean Development Mechanism projects) project. A DANIDA financed project in Malaysia, with the purpose of preparing Malaysian project owners for emission reductions according to the rules of the United Nations Framework Convention on Climate Change. Services included screening, baseline studies and project design.
2006 – First Framework Contract (FWC). The FWCs are 2-4 year contracts financed by the EU, where DEM provides consultancy services for training and communication, ICT, and energy projects.
2008 – ROM (Result Oriented Monitoring) begins with a major European Commission financed contract involving all African and Indian Ocean countries. DEM visited 50 countries and monitored more than 900 projects from energy and ICT to agriculture and health.
2008 – First Danish Energy Service Company (ESCO) project in Vallensbæk, DK. Services included: Energy auditing and labelling, analysis of possible energy savings and drafting of energy efficiency plan, support in preparing municipal energy plans in accordance to EU Directive on Energy Efficiency, and Energy renovation of 21 municipal buildings using renewable energy and energy efficiency technologies.
2013 – Aa+ Aarhus Municipality. Aarhus Municipality has set a target requiring all future buildings and renovations to live up to the requirements of “low energy class 1” or below. For this purpose, Danish Energy Management A/S has signed framework agreements with the Municipality concerning energy consultancy and labeling.
2013 – Energy Efficiency in Melaka. DEM is contracted by the State Government in Malaysia to screen and analyze 9 State Buildings covering a total area of 155,000 m2. The project is a pilot project to demonstrate the ESCO model for public buildings in practice.
1947 - The roots of Esbensen begin in Sønderborg, where the company was started by an engineer and teacher at a school for craftsmanship, Henry Mortensen.
1960 - engineer Jørgen Esbensen joined the company, then operating under the name Mortensen & Esbensen.
1967 - Jørgen Esbensen continues the company as Esbensen A/S when Mortensen retires.
1977 - Civil engineer, Torben Esbensen, son of Jørgen Esbensen, establishes a department in Copenhagen.
1984 – Esbensen A/S begins work with EU Research and Development Program regarding low energy buildings, and has since developed over 30 projects for the program.
1990 - Member of the International Solar Energy Society (ISES) and Torben Esbensen is President of ISES from 2006 – 2008. Torben headed three world congresses as the Chairman of ISES: Goteborg (2003), Beijing (2007) and Kassel (2011).
1992 - Member of the Solar Energy Committee for the Danish Energy Agency, and Torben Esbensen is chairman from 1998 – 2002. The Solar Energy Committee is responsible for distribution of funds regarding research and development for solar energy projects.
2004 - Torben Esbensen becomes a member of the Board of Directors for Solar City Denmark (in Copenhagen), and becomes Chairman in 2010. Solar City Denmark is a knowledge sharing network organization for architects, engineers and manufacturers interested in solar buildings.
2006 - Esbensen A/S opens an office in Aarhus. Esbensen is an internationally known specialist and preferred collaborator in the field of renewable energy, indoor climate, and sustainable building design including passive and flexible design and cradle-to-cradle material re-use.
2008 - Esbensen A/S opens an office in Oslo, Norway.
2009 – Esbensen A/S becomes member of Project Zero A/S - planning for Sønderborg to become carbon neutral by 2029.
1947 – Projects for the local companies and municipalities in South Jutland, such as Møller & Co. in Sønderborg.
1960 – Projects for the Danfoss Company and business schools in South Jutland. Pictured above is Danfoss A/S, Gråsten.
1977 – First low energy house designed by Esbensen A/S in Skive, DK.
1978 – Private Zero Energy Houses built in Goteborg Sweden. First international projects for Esbensen A/S.
1989 – World Bank consultants for solar energy projects in five African countries: Sudan, Senegal, Kenya, Tanzania, Botswana.
1995 – Brundtland Center in Toftlund. In 1994 the project won first prize in the EU's competition for energy-efficient commercial buildings: "Working in the City ." The building is designed and built as a low energy building with one of the first building-integrated photovoltaic plants in Denmark. Services included: Development of the energy concept and design of building installations for the energy-efficient construction of this information and conference center.
1999 – First project in Germany. Energy retrofitting of a high-rise building in Engelsby, Flensburg Germany.
2007 – A.P. Møller Skolen in Schlesvig, Germany. New school for the Danish minority in South Schleswig, donated by the A. P. Møller Foundation. Services included the development of energy and ventilation concept and design of building services for the 15,000 m2 school building.
2010 – Energy Efficiency for Post Denmark. Delivery of strategy and objectives for desired savings, building analysis and energy screenings, economic analysis and calculations, along with design, tendering , site supervision and delivery and quality assurance.
2010 – Stavanger Forum, Norway. Development of the overall energy concept and design of building instillations for the Stavanger Forum building with its characteristic 1,000 square meter grass roof.
2011 – Youth housing, Aarhus Havn. Development of the overall energy concept and design of the building installations. The vision of the project was to create a high-rise 12 story building with energy class 2025, and by using solar PV, the building produces more energy than it uses.
2012 – Plus energy headquarters for Sydenergi Esbjerg. Development of the overall energy concept and design of the building installations. This is Denmark's largest commercial building in passive house standard.


Our history is green

1991 – Biomass district heating plant in Hvidebæk, Denmark

The roots of Danish Energy Management date back to 1986 when Frantz Longhi founded Dansk Energi Management, focusing on Renewable Energy and Energy Efficiency for designing, planning and implementing projects in Denmark. In the first few years of operation, these major turnkey energy projects totaled approx. EUR 75 million, contributing to the rapidly increasing energy awareness of the time, and focusing on the alternatives that were available with relation to energy savings and renewable forms of energy generation.

DEM first got involved with international energy projects in 1992, providing energy policy recommendations and advice to economic ministries in the Baltic region. Over time DEM gradually became more involved in international energy projects, and was in fact one of the first companies to implement Energy Service Companies (ESCOs) in Central and Eastern Europe. These assignments went on to create environmentally friendly energy efficiency projects, and included renewable energy, energy efficiency for production and buildings, as well as fuel conversion and heat infrastructure modernization.

In 1995 DEM began Monitoring & Evaluation projects in the energy sector, and later in all sectors including environment, agriculture and education. Then in 1999, subsidiaries were established in Thailand and Malaysia, providing advisory services and technical assistance to governments. In connection with this, DEM worked on DANIDA funded Clean Development Mechanism (CDM) projects, with the purpose of preparing Malaysian project owners for emission reductions according to the rules of the United Nations Framework Convention on Climate Change. Services included screening, baseline studies and project design. For over a decade the company worked in global partnerships for development with institutions like the European Commission, Danish Ministry of Foreign Affairs (DANIDA), and the UNDP. Since this time, the company has expanded its scope of operations as well as its geographical boundaries to include Asia, Africa, and the Middle East.

In Denmark, Danish Energy Management contributes with a long consulting tradition working, in particular, with the Danish Energy Agency and the Danish municipalities and regions, with energy planning, energy management, ESCO and quality assurance. Abroad Danish Energy Management has placed a major focus on energy projects worldwide, mostly within the field of Renewable Energy (RE), Energy Efficiency (EE), Demand Side management (DSM), Rural Energy, Energy policy and Energy Legislation.


1974 – DTU Zero Energy House

The roots of Esbensen date back to 1947 in Sønderborg where the company was started by an engineer and teacher at a technical school for craftsmanship, Henry Mortensen. In 1960, engineer Jørgen Esbensen joined the company, then operating under the name Mortensen & Esbensen. Henry Mortensen left the company in 1967 when he retired, and Jørgen Esbensen continued the company as a personal company.

Integrated Energy Design has a long tradition as a core competence and hallmark of the company, including participating with dialogue and creative advice right from the start of the building process, allowing the best holistic solutions to be found. As a post-graduate student Torben Esbensen in 1974 became the project manager for the design of a Zero Energy House at the Technical University of Denmark (DTU), which was one of the first passive buildings designed and built in Europe. This DTU Zero Energy House became the inspiration for subsequent decades of big developments in low energy buildings, passive houses and plus energy houses. The DTU Zero Energy House was recognized for the prominent role that it played in building design when civil engineer Torben Esbensen, son of Jørgen Esbensen, was presented with the international Pioneer Award for Passive House Design over three decades later.

In 1977, based on the interests and experience from the DTU Zero Energy House, Torben Esbensen established a department of Esbensen A/S in Copenhagen. The department would deal primarily with energy, and renewable energy in particular. After the passing of his farther in 1978, Torben Esbensen took over leadership of both the department in Copenhagen and Sønderborg. Additional offices were subsequently opened in Aarhus in 2006, and Oslo, Norway in 2008.

Esbensen A/S has a long tradition of offering advisory and planning of environmentally sustainable energy design, HVAC, ventilation, lighting and electricity supply. Esbensen is known internationally to be a specialist, and a preferred collaborator in the field of energy design, renewable energy, daylight, natural ventilation and indoor climate. Projects have included environmentally sustainable high-rise buildings and large residential buildings, offices, hotels, educational and cultural institutions, sports facilities, industrial buildings and hospitals.


Danish Energy Management & Esbensen has designed and implemented projects and programs for a variety of governmental and non-governmental bodies, international agencies and private sector clients including: