Canadian Solar has supplied 3.3MW solar modules for a photovoltaic (PV) plant located in Plovdiv, Bulgaria.
The solar plant, built on the grounds of Philicon 97, a Bulgarian food and beverage company, was connected to the grid in February.
Philicon 97 project manager Ivan Kalibatsev said: "The excellent customer service and high product quality were critical for our success.
"We are very pleased with the result and our expectations have been exceeded. Already in the first month, the power output of the solar system was 15% higher than expected."
The project, which benefits from a feed-in tariff of €0.25 per kWh, is in line with Philicon 97's strategy to invest in renewable energy projects, as part of its future expansion programme.
Canadian Solar chairman and CEO Shawn Qu said: "South-East Europe, and in particular Bulgaria, offer great potential for development, as high radiation levels and the feed-in tariff that are guaranteed for a period of 20 years, offer attractive returns for investors."