I m planning to install a PV parallel grid on the roof, and I would like to ask if there is any powe

Nope. Because now a few photovoltaic panels in a household can't generate much electricity at all, and it is affected by the weather. There is no electricity at all on rainy days.

Therefore, you can earn a few batteries for your own photovoltaic panels, and you can keep them for your own home. Generally, the repurchased electricity is repurchased only by large-scale solar power generation on the roof of the enterprise. Buying back electricity is not allowed to be used by enterprises.

Because the enterprise is industrial electricity. Industrial electricity is more expensive, and it is cheaper to sell the repurchased electricity from solar power generation to the grid, so companies with solar power grids can have a lot of electricity bills left over every month, especially in summer.

According to your description: the grid-connected service process of photovoltaic power generation project is as follows: (1) 220 (380) volt residential distributed photovoltaic power generation project grid-connected service process:

Customer application" on-site investigation, development of access system plan, "project commissioned construction", "grid-connected acceptance", "table installation". (2) 220 (380) volt low-voltage non-residential distributed photovoltaic power generation project grid-connected service process: customer application, on-site investigation, commissioned to formulate access system scheme, access system scheme review, engineering commissioned design, design document review, project commissioned construction, intermediate inspection, grid-connected acceptance, signing of power purchase and sales contract, meter installation and grid connection.

3) 10 (20) kV distributed photovoltaic power generation project grid-connected service process: customer application, on-site investigation, commissioned to formulate access system scheme, access system scheme review, engineering commissioned design, design document review, project commissioned construction, intermediate inspection, grid-connected acceptance, signing of power purchase and sales contracts, grid-connected agreements, dispatching agreements, and installation and grid connection.

We hope you find ours helpful. If you have any other questions, please call the 24-hour power supply service**95598.

The power supply company won't let you into the grid, and the news report is not true.

Solar power generation requires several kilowatts to be effective, and it costs more than 200,000 yuan, and there is no need for so-called clean energy. The depreciation and maintenance expenses of the equipment do not cover the cost of power generation.

It is better to install a demonstration device for solar power generation and storage of several hundred watts.

No one will let you into the grid, unless your power generation level exceeds the 10 million watt level, and the cost is not enough in the millions.

First of all, there are two ways to achieve complementarity with the power grid, one is the photovoltaic power generation system with mains power complementation, but the inverter has the mains switching function, which is just the opposite of UPS; The other is the grid-connected photovoltaic power generation system, the photovoltaic grid-connected power generation system of the family and the State Grid Business Hall has a special window to provide acceptance.

**Electricity price problem, now the full power subsidy of distributed photovoltaic grid-connected power generation is yuan, that is, whether it is self-consumption can get the state subsidy yuan, if self-use is to save their own electricity bill that part is giving you yuan, the remaining electricity is the local desulfurization coal on-grid electricity price + yuan.

Now the people build their own power stations, the first period is longer, mainly because their own use of the country's electricity is lower, and the investment is larger, but it will not reach tens of millions, and the basic family to build a 2-3kw power station investment of about 30,000 yuan.

I don't know if you're **, I'm in Luquan, Shijiazhuang, our village has installed a lot of this photovoltaic power generation system, the return period of 3000w is about 5 years, the general life of solar panels is 25-30 years, and the state subsidy in Shijiazhuang area is RMB. The greater the installed power, the faster the payback period, 5000W is about 4-5 years. Our village basically uses Shijiazhuang Kelin Electric's photovoltaic power generation system, the factory is near us, the company is very large, it is said that the annual sales of one billion.

Hebei and Yingli's board reputation is also very good, you can check it again.

There is not much subsidy for photovoltaic power generation to connect to the grid, now the installation is cheap, you can play 2000 watts off the grid, 5 10 kilowatts are not much use for grid-connected, the board is 2 yuan a watt, the grid-connected inverter is 3-5000 yuan, the bracket, the power cord, about 5000, grid-connected power generation, no subsidy is useless, and the cost is lost.

My house has installed 25 kilowatts, and my annual income is 20,000 yuan.

With the frequent emergency of traditional energy sources such as coal and oil, and the increasing intensification of the world energy crisis, more and more countries and regions have begun to take the development and utilization of new energy as the focus of energy development. Among all new energy sources, solar energy resources are inexhaustible, and the outstanding advantages of photovoltaic power generation without pollution, emission and noise are particularly eye-catching. According to Zhongli Talesun**, solar energy will account for about 25% of the world's total energy in 2050, and it will be a revolutionary alternative to traditional energy.

Some time ago, I read the news that someone also spent more than 10,000 yuan to install home solar energy and connect it to the grid.

In addition to using it at home, you can earn about 90 yuan a month.

I calculated the account at the time, and I earned 100 per month, 1,200 a year, 10,000 2 in ten years, not counting other halfway replacement batteries and accessories, it would take at least ten years to recover the cost. If you include the savings from self-use, it is estimated that it will take a few years.

Of course, I don't know how many kilowatts of solar energy the people in the news are installing.

The average household photovoltaic power generation is about 10 yuan for 1w, and 3kw is 30,000 yuan, including installation costs. Set aside 1-20,000 yuan to prevent hardware damage such as batteries or solar panels during use, assuming that you can use photovoltaic power generation for 20 years, the cost is 10,000 yuan, you can calculate how much electricity your home uses every month.

The average is 45000 20 12= that is, it is about the average yuan per month (which has a lot to do with the quality of hardware such as battery panels, batteries, etc., and has a lot to do with the service life of the entire photovoltaic power generation system).

So now you can use 187 yuan of electricity every month, that can be installed, if you can't use it, then there is no need to install. In addition, the life expectancy is generally more than 20 years, probably 25 years and less than 30 years, which will not save too much money. If you don't have a lot of electricity at home, it's not necessary.

The landlord, 3kw, reliable equipment ** in 30,000, service life in 20 years, per day according to the estimate of less, 10 kilowatt-hours of electricity.

As for how long it will cost, it depends on your grid-connected electricity price and your own electricity consumption.

Hee-hee......

But if there are conditions, this Dongdong is very good.

If you have great sunshine, such as Xinjiang, then 20 kilowatt-hours a day is very easy.

**Yes, assemble it yourself. Just ask the store.

Hello, after the installation of the photovoltaic power station installed by an individual family, you need to go to the local power bureau (that is, the place where you go to pay the electricity bill) to consult the photovoltaic power station grid connection application, and then fill out some application forms, and there will be personnel to help you connect to the grid.

Did you buy your own solar panels and inverters? There should be a photovoltaic company to install it for you, generally they will do the relevant procedures for you, if you do it yourself, you need to go to the power management department to consult, mainly the problem of grid connection, but the general installation of photovoltaic or find a special company to do better, because it involves the problem of grid connection and subsidies, and even some need a loan or something, the procedures in the middle are also more, in short, I feel that it may be more troublesome for individuals to do this!

This question is clearly written in the contract!

If it's just a verbal statement, it can't be used as evidence! Talk.

So let's take a good look at what is written on the contract Sakura waiter!

The photovoltaic system can be installed on many different roof structures, such as concrete, asphalt shingles, glazed tiles, and color steel tiles, but for different roof specifications and materials, different brackets are purchased to achieve firm installation.

A solar panel is 19-20 kg, depending on the load-bearing capacity of the roof, and the waterproofing treatment of the fulcrum hole is also very important. Find a mature professional supporting bracket, the best export, generally need to be made according to the size of the roof. You can ask the village if there is a lead to do it together, find a big factory to do it, ** is better to discuss.

Like our Haining, Tiantong and Yu can do more.

Solar panels have brackets fixed, whether it is oblique or flat top, can be installed, household use, need to look at their own home electricity situation, to match the appropriate, home power generation system is divided into grid-connected and off-grid, grid-connected and integrated into the national grid, limited to a minimum of 2000w to be integrated into the grid, daily power generation of 12-18 kWh, the remaining electricity sold to the state, the state according to the local electricity price + subsidies ****! Off-grid needs to be equipped with batteries, self-use, the country is not, now ** support grid-connected, specific preferential depending on the local policy, off-grid return time is long, generally only suitable for areas without electricity, or inconvenient electricity.

Hello, at present, there are three grid-connected modes for photovoltaic power generation projects: self-generation and self-consumption, surplus electricity on the grid, full grid, and all self-consumption.