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rate-meter-electric-> Check out the new electricity tariff D1 for heat pumps

When you install a heat pump in a dwelling, the counter power must be increased by almost forever.

Usually the contract standard (3 kW, in D2 rate) is not sufficient to support the power demand of a heat pump.

The transition to a contract of higher power does substantially increase average costs per kW, mainly due to the increase in fixed costs.

But the biggest problem in terms of increase in the cost per kilowatt, after the installation of a heat pumpBecomes the gradual increase in the price of electricity increases in consumption.

This proportionality between increased consumption of costs, it is understandable in the following table:

Rate D2
(Up to 3,3 kW)
Rate D3
(Over 3,3 kW)
Fixed fee (€ year) 20,22988 49,1087
Power cost (€ year / kW) 5,64740 15,8789
Energy price (€ / kW)
Up to 1800 kWh / year 0,12045 0,18323
1800 - 2640 kWh / year 0,20013 0,20413
2640-4440 kWh / year 0,25740 0,24582
In addition 4440 kWh / year 0,30898 0,29026

Electricity rates "domestic" AAEG January-March 2010 - VAT included.

So in normal situations, whereas the annual average consumption of a heat pump for heating in winter, but also for the summer air conditioningWill almost always applied electric rates very unfavorable.

A solution to have the lowest cost, is the installation of second counter, Denominated "for other uses"This means that the price of energy will always be the same, without consumption brackets, you can also continue to use the D2 rate for the counter for consumption standard housing, with energy costs very affordable.

Otherwise Discover the new rate D1 for heat pumps, with single counter.

The following table shows the costs of electricity rates (Called BTA) for the second counter:

Rate BTA2
(Up 3,3 kW)
Rate BTA3-4-5
(Over 3,3 kW)
Fixed fee (€ year) 142,12022
Power cost (€ year / kW) 29,74312 33,14234
Energy price (€ / kW) 0,15679

Electricity rates "different uses" AAEG January-March 2010 - VAT included.
Notes: iil cost for connecting the second counter for other uses is approximately € 500.

According to the reported data, a simulation is done on a standard dwelling in which we consider a consumer for various domestic uses (lighting, appliances, etc.). 2640 of kWh per year:

Data for simulation with unique counter
Total annual kWh 3.500 4.000 4.500 6.500 7.500 10.000 12.000
Total annual kWh residential uses 2.640 2.640 2.640 2.640 2.640 2.640 2.640
Total annual heat pump kWh 860 1.360 1.860 3.860 4.860 7.360 9.360
Rate D2 D3 D3 D3 D3 D3 D3
Power input kW 3 4,5 6 6 6 12 12

Data for simulation with double counter
Total annual kWh 3.500 4.000 4.500 6.500 7.500 10.000 12.000
Total annual kWh residential uses 2.640 2.640 2.640 2.640 2.640 2.640 2.640
Total annual heat pump kWh 860 1.360 1.860 3.860 4.860 7.360 9.360
Rate 1 ° counter to use home D2 D2 D2 D2 D2 D2 D2
Power consumption kW 1 ° counter 3 3 3 3 3 3 3
Rate 2 ° counter for heat pump BTA2 BTA2 BTA2 BTA3 BTA3 BTA4 BTA5
Power consumption kW 2 ° counter 3 3 3 4,5 6 10 12

Based on the data taken into account for the simulations, the operating costs will be as follows:

Estimated total annual expenditure €
Total Consumption
kWh per year
Only
counter
Double
counter
saving
3500 € 643 € 788 -18%
4000 € 956 € 875 9%
4500 € 1106 € 962 15%
6500 € 1686 € 1336 26%
7500 € 1976 € 1542 28%
10000 € 2797 € 2100 33%
12000 € 3425 € 2497 37%

Estimated annual expenditure heat pump €
Total Consumption
kWh per year
Only
counter
Double
counter
saving
860 € 259 € 366 -29%
1360 € 455 € 445 2%
1860 € 604 € 523 15%
3860 € 1185 € 869 32%
4860 € 1475 € 1103 34%
7360 € 2296 € 1628 41%
9360 € 2924 € 2007 46%

Calculate the consumption of the heat pump compared to a boiler.

Conclusions: The activation of the second counter for a heat pump is convenient in most applications where you use this machine as a main generator for winter heating, the use for air conditioning in summer and / or for the production of domestic hot water further increases the economic benefit.

Finally, improvement rates apply to those operating in free market, And a wise use of a differentiated ratesCan increase the savings in operating costs is also a 10-15% (see attached document).

"Information, data and documents taken from the" Vedemecum electricity rates Co.Aer 2010 "

If you want to do the insights on heating with heat pump, You can find valuable information at the following links:

Rossato Group Srl
Headquarters: Via del Murillo, km 3.500 - 04013 Sermoneta LT - Italy
registered address via Migliara 49, No. 9 - 04016 Sabaudia LT - Italy
Cap. Soc. € 119.900,00 iv - n. LT-107494 REA - VAT-CF IT01745300598

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