CO2-free electricity

GEN-I is aware of its responsibility to the environment and of the climate changes that call us to action. We have thus committed to stop supplying electricity from fossil fuels, and in January 2021 will begin supplying exclusively CO2-free electricity. 

Through the replacement of fossil-based sources with cleaner energy sources, we are offering our customers the choice of energy source for the first time. Alongside carbon-free electricity from nuclear energy, our first choice is 100% solar electricity. Solar energy is now accessible to everyone. 

The aim of our transition to cleaner energy sources is to serve as an example and prove that it is possible to fight climate change. Today, more than 3,000 customers contribute to environmental protection, together with us. 

GEN-I Sonce service

Our GEN-I Sonce service allows customers to take control of their energy supply costs by investing in a micro solar power plant and to save close to 75% on their electricity bill.

With its GEN-I Sonce service, GEN-I makes it easy for household and small business customers in Slovenia to make the decision to switch to the self-sufficient supply of electricity generated by the sun. GEN-I is thus the first energy supplier in the region to enter the self-sufficient energy supply market, and will facilitate the construction of micro solar power plants according to the “turnkey” principle for Slovenian customers.

For more information, visit / or call us at 080 1558.


GEN-I Sonce service


Affordable energy for households and small businesses. 

With its offer for households and small businesses, the GEN-I Group is present with four brands on two markets, supplying more than 300,000 customers with energy.

We provide our customers with a reliable supply of electricity and natural gas, enabling them to make significant savings in energy costs. Excellent user experience is ensured through easy and free switching of supplier, advanced web solutions for managing customer accounts and transparent billing.

In addition, we will make it possible for Slovenian electricity customers to choose the source from which their electricity is produced from January 2021 on. After that date, all customers will be supplied electricity exclusively from carbon-free sources. 

Our portfolio of green solutions also includes the construction of home solar power plants according to the turnkey principle for the self-sufficient supply of electricity from the sun, an investment that saves customers up to 75% on their electricity costs.

Our brands for households and small businesses include:


Market presence


Since we entered the market with the Poceni elektrika brand (Affordable Electricity) in 2009, GEN-I has been very affordable and the most fastest growing supplier of electricity for households; the fact that is confirmed by the published data of competent institutions. More than 178,000 Slovenian households and small businesses have already chosen Poceni elektrika (Affordable Electricity) so far.

In 2012, we entered the natural gas market with our Poceni plin brand (Affordable Natural Gas) as the first independent supplier and set the European record for the most successful switch rate campaign. Today we are already supplying natural gas to approx. 24,000 Slovenian households and small businesses.

As the first supplier in the region, we have been offering the construction of micro solar power plants for the self-sufficient supply of energy since November 2016 through the comprehensive services provided by GEN-I Sonce. We have already built 1,500 such power plants till today.


We entered the Croatian market in mid-2013 with the Jeftina struja brand (Affordable Electricity) and achieved exceptional results immediately. Today, approx. 12,000 households and small businesses are supplied by GEN-I Hrvatska.