Electricity prices for households and rooftops are calculated according to the tiered electricity price (including the national subsidy of 0.42 yuan, if there is no local subsidy) :
First level (monthly): below 180 degrees, the billing standard is 0.56 yuan/kWh
It is recommended to install heat-producing equipment electricity from 1 kW to 2 kW, with an investment of about 10,000 to 20,000 yuan. The payback period for all self-use costs is approximately 7 years. , and the cost recovery period of all sales to the power grid company (calculated based on electricity sales of 0.43 yuan/kWh) About 8 years.
Overview: Cost recovery period is about 7-8 years
Second level (monthly): 180 degrees to 260 degrees, billing standard is 0, 61 yuan/degree
< p>It is recommended to install power generation equipment from 2 kW to 3kW with an investment of around 20,000-30,000 yuan. The cost recovery period for all personal use is approximately 6.7 years and the cost recovery period for all sales to the power grid company. (calculated based on electricity sales of 0.43 yuan/kWh) is about 8 yearsOverview: The cost recovery period is about 6.7-8 years< /p>
The third level (month): above 260 degrees, the charging standard is 0.86 yuan/degree
Recommended installation For power generation equipment above 3 kW, with an investment of more than 30,000 yuan, the total cost recovery period for self-use is about 5.5 years, and the cost recovery period for all sales to the company power grid (calculated based on electricity sales of 0.43 yuan/kWh) is approximately 8 years
Summary: The cost recovery period is approximately5.5 to 8 years
The so-called 2000 watt charge can be misleading. It depends on the power of the solar panel and the power of the load depends on the inverter.
A 2,000 watt solar panel can generate 2 degrees of electricity per hour under sufficient sunlight. The sun is not strong in the morning and evening. Generally speaking, it is calculated as 4 to 5 hours per day. A 2,000 watt solar panel can generate 8 to 10 kWh of electricity per day. On a cloudy day, it can be only 1 to 3 degrees.
A 2,000 watt solar panel costs at least more than 5,000 yuan. (Solar panels currently cost around 3 yuan per watt.)
Your load here is 2000 watts, which must be the power of the inverter. You must clearly ask for the power of the solar panels. the key to electricity production.
If the solar panel he gives you is a 100 watt solar panel, it will generate less than half-kilowatt hour of electricity in a day. It will take 4 days of strong sunshine and all electricity generated. within 4 days will be fed into the battery for storage to drive 2 kilowatts of electrical appliances for one hour. A 100 watt solar panel system generally costs less than 1,000 yuan.
The number of kilowatt hours of electricity generated is solely linked to the power of the solar panel. It has nothing to do with charging.