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The Company

IPS (International Power Supply) was established in 1989 and specializes in the R&D and precision manufacturing of power electronics and energy conversion technologies.

Over the past three decades, IPS has delivered world leading products and currently has a portfolio of 33 different product lines including hybrid and off-grid power systems, rectifiers, inverters, frequency converters and turnkey outdoor power systems.

Non-Stop R&D

We at IPS believe that only through constant research and development of sustainable innovations and the invention of new products and complete solutions is the only possible means in maintaining our technological advantage.


Environment Friendly

In 2019 a new IPS factory with an annual production capacity of about €120m is being launched in Bulgaria. The IPS factory, with a total floor area of 16.800 m2, is the first 100% self-sufficient, zero emission manufacturing facility of its kind in Europe. The 240 kWp solar modules and 24 kW wind turbines + battery storage for a 3-day back-up enable completely autonomous and uninterrupted electricity production to meet the facility’s needs. EXERON is managing the power and the energy storage.

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Board of Directors.

Stoil Trifonov


Alexander Rangelov

Chief Executive Officer

Filip Rangelov

Chief Technical Officer

Ivaylo Gospodinov

Board Member

Dimitar Karastoyanov

Board Member

Mark W. Crandall

Board Member

Dimitrios Triantafyllopoulos

Board Member


The company "2C - Trifonov & Co" has been founded. 

Main activity was R&D and manufacturing of UPS systems.

Main customers: Banks


The company has begun to develop rectifier and inverter systems.

Main customers: Telecom industry


2C extended its portfolio with industrial power systems.

Main customers: Railway, Utilities


The basics in the off-grid technology have been set.

First military power systems inventions.


"2C - Trifonov & Co" became a leader and main supplier of the Bulgaria’s largest private and state owned companies in the sectors of Telecommunications, Utilities, Railway, Oil&Gas, Military, Governmental agencies.


IPS focused on the R&D of new products, especially hybrid off-grid technology with energy storage.

A year later the first off-grid power system has been delivered to a secret area in Antarctica.

EXERON was born.


IPS has been established as a subsidiary of 2C - Trifonov & Co and became the new vision for the sales operation.

Alexander Rangelov joined IPS as MD.

A year later IPS started first export. For 2 years the products reached 12 countries.


The first EXERON prototype has been presented in Germany.

IPS increased the Business Develepment efforts.

The products export reached 21 countries.


In 2014 EXERON won the world innovation ees AWARD for best off-grid technology among 1300 competitors, in Munich, Germany.

Export has reached 43 countries.


Investors from the US (PostScriptum Ventures) and EU (BlackPeak Capital) joined the company in order to support the product and business development.

IPS valuation was $12m.


IPS has continued to develop the EXERON's unique features.

The multi-billion holding and one of the largest EPC energy contractor in the world Mytilineos joined IPS as a strategic investor.

IPS valuation has reached $125m.


IPS has started the construction of a large factory with an annual production capacity of €120m.

The IPS factory K1 will be the first 100% self-sufficient, zero emission manufacturing facility of its kind in Europe.


IPS products export reached 58 countries.

Preparing for the next level...

IPS Shareholders

  • PTIG

    Power Technology Investment Group (PTIG) makes investments in future oriented cutting edge power technologies and companies with global market potential.

    PTIG provides professional assistance and strategic advice to companies working on breakthrough technologies. Across its portfolio, visionary entrepreneurs are at the helm of current and future industry leaders, fueling the development of technologies that keep the companies at the forefront of innovation.


  • PostScriptum

    PostScriptum Ventures is a venture capital group which holds a broad portfolio of investments primarily but not exclusively in the energy sector.

    Postscriptum’s Chairman and largest investor is Mark Crandall. Mr. Crandall co-founded Morgan Stanley's commodity trading business in 1984, subsequently he was the head of Glencore’s oil trading business, and then was a founder of Trafigura which has now become one of the largest physical commodity traders in the world with over €120 billion in revenues. 

  • Mytilineos

    Mytilineos S.A. is a leading global industrial and energy company with a strong presence in five continents. The company operates in the Metallurgy sector, in the Sustainable Engineering Solutions sector, in the Production & Trading of Electrical Power & Natural Gas and in the Renewable & Storage Development sector.

    In addition to the construction of thermal power plants and selected infrastructure projects traditionally executed, the company has a significant industrial base for high value-added metal construction applications. Moreover, being aware of the international trends, its activity in reinforced by the dynamic development of sustainable, energy efficient, hybrid and smart energy projects.

  • BlackPeak

    BlackPeak Capital is a co-investment growth equity fund established under the JEREMIE initiative and funded by the European Investment Fund, part of the European Investment Bank.

    The Fund makes investments in innovative, high-growth companies. BlackPeak Capital is managed by one of the most experienced M&A and investment teams.

    The Fund has a dual role of investing and supporting companies in their global expansion plans.


  • Capital Investments Fund

    Capital Investments Fund is the investment arm of the state-owned Bulgarian Development Bank (BDB), which provides growth equity for high-tech companies with global market potential, that can bring high added value to the national economy. BDB is a financial institution established in 1999 with focus to support the economical development. It is among the top four Bulgarian banks in terms of credit rating.

Global Footprint

IPS is currently presented in 58 countries.


  • Congo - Brazzaville
  • Côte d’Ivoire
  • Egypt
  • Gabon
  • Gambia
  • Ghana
  • Kenya
  • Mauritania
  • Mozambique
  • Nigeria
  • Rwanda
  • Senegal
  • South Africa
  • Tanzania
  • Uganda
  • Zambia
  • Zimbabwe

South America

  • Brazil
  • Chile
  • Paraguay


  • Afghanistan
  • Azerbaijan
  • Bangladesh
  • India
  • Indonesia
  • Israel
  • Jordan
  • Nepal
  • Pakistan
  • Philippines
  • Saudi Arabia
  • Singapore
  • Thailand
  • Turkey
  • United Arab Emirates
  • Yemen


  • Austria
  • Bosnia and Herzegovina
  • Bulgaria
  • Cyprus
  • France
  • Germany
  • Greece
  • Ireland
  • Kosovo
  • Malta
  • Netherlands
  • Portugal
  • Romania
  • Serbia
  • Spain
  • Switzerland
  • Ukraine
  • United Kingdom


  • Antarctica
  • Australia

North America

  • Mexico
  • United States