Животноводство / Оборудование Для Птицеводства / Великобритания Запросы

I am working on a project in Banagaladesh to open a milking parlor for a herd of 300 cows but to exten it to 600 cows in 2-3 years. i am looking for giding price and also the consumption of electricity as i want to get a solar power system to accommdate the electricity consumption