Energy efficiency Energy efficiency projects used in:

Poultry farm

Description of the installation

• New-build chicken farm. This building houses nests of 35,000 chickens (32,000 in summer).
• The building is closed, with no natural light and with forced ventilation.
• With artificial light, the birds’ behavioural habits are kept under control.

Electricity consumption

• This farm has no connection to the electricity grid and all the power comes from a generator or photovoltaic solar energy.
• The installation needs an energy supply 24 hours a day.

Technical description

Farm

• Type: Three-phase 230/400 V (T/N)
• Daily consumption: 120 kWh (average)
• Maximum power: 22 kW

Generator

• Pramac 45 kVA

Photovoltaic:

• Installed power: 18 kWp
• Battery autonomy: 1 day

Investment in photovoltaic installation

• Approx. cost (turnkey): 59,000 €
• Not including the generator

Advantages of the photovoltaic system (PV)

• Generator running without PV: 24 h/day
• Generator running with PV: 3 h/day (average)
• Expenditure on diesel without PV: 30,000 €/year (approx.)
• Expenditure on diesel with PV: 2,400 €/year (approx.)

Other benefits

• It extends the useful life of the generator
• The generator requires less frequent maintenance
• Amortization period: 3 years.

Brands

• SMA. Inverters and control
• Exide-Tudor. Batteries
• Klixx. Module structure
• REC. Photovoltaic modules