Solar & hybrid lamps
Petra Energia/Solar & hybrid lamps
Golub – Dobrzyń – road lighting
Popowa – Wichowo – road lighting
Skępe – road lighting
Radziki Małe – road lighting
Wizna – road lighting
Olecko – lighting of the recreation center
Macierzysz – lighting of the recreation center
Tłuchowo – road lighting
Osowa – road lighting
Wilcza Wola – road lighting
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