The firm said it was part of efforts to make its Thailand manufacturing sites more sustainabale and efficient.
The installations will enable CP Foods to reduce greenhouse gas emissions by 28,000 tonnes per year, equal to an absorption of 1.44 million of teak trees.
So far, under exisiting scehemes, the company already reduces greenhouse gas emissions by more than 79,000 tonnes.
CEO Sukhawat Dansermsuk said: "Using clean energy, like solar power generation, is a strategic move that will promote CPF’s sustainable growth at the global stage. CPF is looking forward to continuously increasing new eco-friendly energy sources in response to its sustainable growth goals."
Under the terms of the agreement, Gunkul will invest 100% of the whole project including design, construction, and system maintenance through the end of the 15-year contract.
The construction will install around 120,000 solar cells on roofs covering four businesses units' livestock, aquaculture, food processing and ready-to-eat meal plants with the total installment area of 230,000 square metres. This project plans to generate total electricity of 40 MWs.