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Electricity production Location = Narita Angle on roof = 26.6 degree PowerPoint PPT Presentation


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Japanese Business Case Residential house. Electricity production Location = Narita Angle on roof = 26.6 degree Production variable every month Estimated production = 5 667 kWh/year = 1286 liter of fuel/year = 1782 kg CO2/year = 127 trees planted

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Electricity production Location = Narita Angle on roof = 26.6 degree

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Electricity production location narita angle on roof 26 6 degree

Japanese Business Case

Residential house

Electricity production

Location = Narita

Angle on roof = 26.6 degree

Production variable every month

Estimated production = 5 667 kWh/year

= 1286 liter of fuel/year

= 1782 kg CO2/year = 127 trees planted

20% own consumption – electricity price = 22.86 JPY/kWh

80% sold on network – special feed-in-tariff = 42 JPY/kWh

From 2013 April 1st = 37.8 JPY/kWh

Gain = 216 321 JPY / year

(Mitsubishi Panels)

Installation cost

24 panels x 212 W/panel

= 5088 Wpeak total

Cost of panel only <100 JPY/Wpeak

Subsidy – State + city = 0.3 MJPY

If total cost: 450 JPY / Wpeak 2.3 MJPY  2.0 MJPY (after subsidy) Payback = 9.2 years

If total cost: 300 JPY/Wpeak  1.5 MJPY  1.2 MJPY (after subsidy) Payback = 5.5 years


Electricity production location narita angle on roof 26 6 degree

BelgianBusiness Case

Residential house

Electricity production

Location = Fernelmont, South-East

Angle on roof = 35 degree

Production variable every month

Actual production = 4805 kWh/year

Electricity = 20 EUR cent/kWh = 961 EUR/ year

Green Certificate =7CV/MWh at 65 EUR/CV = 2186 EUR/year

Tax reduction (ended in 2011) – gain = 4000 or 5000 EUR

(Soluxtec Panels)

Installation cost (2011)

20 panels x 250 W/panel

= 5000 Wpeak total

Cost of panel only <1 EUR/Wpeak

Total cost: 3.2 EUR / Wpeak 15.9 kEURPayback < 3 years

Today cost in Belgium: 2 EUR/Wpeak

System changed in Belgium = lot less advantageous in 2013


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