ECONOMIC ANALYSIS
TOTAL SYSTEM COST
Despite an investment cost that is nearly 5 times higher than a traditional grid/gas-based energy system, the proposed all-electric upgrade manages to repay itself back in 15 years due to low operating costs.
• The installation of a wind turbine and additional solar panels increase the peak power output of De Ceuvel so that it can no longer be kept under the 50 kW maximum for a kleinverbruiker. As a consequence, each PV system now needs its own brutoproductiemeter, adding significant costs. • The wind turbine manages to break even over a 20-year period, although this is heavily dependent on actual wind speeds.
600
COSTS [X1000 EUR]
• The installation of a wind turbine, additional solar panels, heat pumps and a battery system require a significant investment of roughly 300.000 EUR.
Traditional
700
Scenario 2
500
Payback period
400
14,7
300 200 100 0
0
SCENARIO 2
• Charging electric vehicles with on-site produced solar and power instead of grid power, results in an annual savings of 1.188 EUR/yr, or 221,60 EUR/yr per parking spot.
DE CEUVEL
4
6
8
10
12
14
16
18
20
YEAR
LEVELISED COST OF ENERGY €/kWh
0,35 0,29€
Traditional
0,30
0,25
0,19
0,20
€/kWh
Average
0,15
0,11€
Traditional
0,10
• The total power cost has remained the same as scenario 1, while the heating cost has been reduced by 45% to 5 cts/kWh, resulting in low operational costs.
48
2
0,40
• A significant cost reduction in total heating cost from 9 cts/kWh in scenario 1 to 5 cts/kWh in scenario 2 is achieved by powering the heat pumps using locally produced energy. • The battery has a negative effect on the business case, costing over twice as much as it reduces in savings.
Years
0,05
POWER
0,30
0,12
0,18
GRID POWER
SOLAR PV
WIND TURBINES
0,00
0,05 HEAT PUMP
0,01 BIODIGESTER
0,05 €/kWh
Average
HEAT