MindMap Gallery Photovoltaic power generation project development process
This is a mind map about the development process of photovoltaic power generation projects, which will be introduced from the preliminary data collection, signing of relevant agreements, design and construction stages, well network acceptance and other aspects.
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Project Plan
Find project resources
Industrial Park/Development Zone
business district
Enterprises, institutions, hospitals, schools, individuals
Initial communication with the owner
Examine whether the company's attributes, credit standing, operating conditions and income are stable, and there are no bad records
Check whether the property rights of the building are independent and clear (original real estate certificate, land certificate, construction planning permit), and whether the property rights of the house are pledged
Examine the roof structure (concrete, color steel tiles), roof age and area
Examine the characteristics of electricity consumption, time-of-use electricity consumption, electricity price, voltage level, and transformer capacity.
Check whether there is any obstruction around the roof or whether there are high-rise construction plans, and whether there are gas or solid pollutant emissions around the building.
Investigate the owner's cooperative hospitals and initially communicate on the cooperation model (self-use for self-use, surplus electricity for online use)
Preliminary data collection
Credit review (scan or photo)
Building owner’s business license
Property certificate of proposed photovoltaic factory building
Land certificate for proposed photovoltaic factory building
Planning permit for proposed photovoltaic plant construction
Factory situation (CAD or scanned copy of as-built drawing)
Factory general plan
Factory structure diagram
Factory building drawing
Factory electrical system diagram
roof condition (photo)
roof type
Concrete/color steel tile
Is there a suspended ceiling?
Decoration inside the factory
Roof age
Color steel tile laying time
thickness
Type (T type, corner type, upright seam type)
color
Production status
Factory construction time (specific to year and month)
Worker working hours (distinguish between day and night working hours)
Holiday production status (determine annual production days)
Workshop production status (clear production products and processes)
Site visit
Check the consistency of drawings and take photos
concrete roof
roof frame
Framework
Brick structure
Cast-in-place roof
Prefabricated panels
roof waterproofing
No water leakage
local water leakage
serious water leakage
Construction years
Color steel tile roof
type
T type
corner type
Upright seam type
thickness
Corrosion
Construction years
Is there a roof structure?
Existing facilities on the roof
Roof obstacles: air tower, daylight strip, parapet, etc.
Surrounding obstructions: Are there any obstructions or high-rise construction plans around the roof?
Best location for electrical equipment installation
The installation locations of power distribution cabinets, primary and secondary warehouses, box-type transformers, etc. shall be marked on the general plan after the owner agrees.
Determine the spot wax laying path and mark the location on the general plan
Photovoltaic access system
Grid connection point location, voltage level, transformer capacity, circuit breaker brand and size, inlet and outlet switch cabinet brand and model, reactive power compensation capacity and situation
other aspects
Are there gas or solid pollutants around the factory?
Types of items in the factory
Is there a water source for cleaning the photovoltaic system?
Grid connection acceptance
The project owner proposes grid connection acceptance and commissioning to the power grid company
The power grid company accepts applications for grid connection acceptance and commissioning
Sign a sales contract and grid-connected dispatch agreement with the power grid
Install gateway computer metering device
Complete grid connection acceptance and debugging
The project is running on the grid
Design and construction stage
initial design
Procurement bidding
Construction design
Construction and implementation
Sign relevant agreements
Obtained project registration from county and district development and reform commissions
Distributed power supply project application form
Enterprise investment project registration form
Fixed asset investment project energy conservation registration form
Project investment information
roofing materials
Obtain access approval from county and district power grid companies
Distributed power supply project application form
Corporate information
Preliminary information of power generation projects
National Development and Reform Commission filing and approval document
User power grid related information and system access report
The Power Supply Bureau accepts applications for grid connection
List of main electrical equipment
Determine development intention
After it is determined that the project is economically and technically feasible, and the cooperation model and transaction price are agreed upon, a power sales agreement or roof rental agreement is signed, and the project construction process is started.
Technical solution calculation
Cooperation mode Spontaneous self-use and surplus electricity for online use
Owners of the electricity generated by photovoltaics are given priority and can benefit from preferential electricity prices.
The owners have higher requirements on electricity consumption and electricity usage rules, and the owner’s own financial situation needs to be taken into consideration.
Sign a roof lease contract or electricity sales agreement, stipulating: electricity price settlement cycle and settlement method
Project evaluation focus
Building property rights and use rights
Building roof area clear
Whether all parties delegating the right to use the rights unanimously approve the project construction
Can the owner provide corresponding conveniences for the project?
The ownership and life span of the building’s roof is greater than 25 years
architectural structure form
Entrust the original roof design unit or a third-party organization to calculate the roof load and issue a certificate that meets the photovoltaic installation conditions.
Can the building structure be reinforced? Evaluate the difficulty and cost of reinforcement.
Roof waterproofing
Roof waterproofing form and aging degree
Evaluate the difficulty and cost of waterproofing repairs
other
Access distance
Construction difficulty
Preliminary project assessment
Project specifications (whether it can be undertaken)
Project area
Grid connection scale
Project information is needed for evaluation (in order to more accurately assess project feasibility)
Certificate of enterprise property rights
Electricity bills for the last 12 months
Enterprise factory drawings
The entire evaluation process cycle after collecting the data
The results of the preliminary review will be informed within 2 working days.
The review results and load calculation will be available within 1-2 weeks.