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PV Panel recycling technologies


Solar power is booming, with millions of metric tons of solar panels being produced each year. A panel has a projected lifespan of about 25 years, which means that today’s new solar farms will go out of service in the late 2040s. Most of the weight in a solar panel, about 75 percent, is glass, aluminum, with 10 percent; wiring in a junction box, at 5 percent; and silicon, with just 3.5 percent.

Dedicated recyclers are needed, the authors write, to do a more thorough job of recycling all the components of a panel—including the crystalline silicon in the photovoltaic cells themselves. Silicon wafers account for about half the cost of a panel, as well as over half the energy and carbon footprint of manufacturing a panel. But silicon isn't currently being targeted for recycling much because the recovered silicon isn't pure enough to go straight back to a wafer manufacturer. Studies show that the impurity levels are an important issue during the recycling processes. The resulting cells have an efficiency of 19.7 percent, which refers to how well the cells can convert the energy from the sun into electricity. This is below the 22.2 percent efficiency of equivalent new cells on the market, but it’s better than the efficiency of the older solar cells that were recycled.

Recycling wafers would mean tuning the purifying process to a new material, accounting for the variety of other elements present in photovoltaic cells. Additionally, before the recycled silicon from solar cells can be used again, further chemical treatment is necessary, as well as for silver and aluminum. The chemical treatments have the potential of producing environmental impacts. Besides that, it is important to note that no process can recycle 100% of recovered materials from solar modules yet. Only Europe has recyclers focused purely on panels. 

It was shown that recycling technologies for PV wastes are extensively explored not just on labs and pilot plants, but some are also commercially available. It is also clear that a few challenges (e.g. economic feasibility, recovery of more materials, and recovery of unbroken cells), still remain in process efficiency, complexity, energy requirements and use of non-environmentally friendly materials for the treatment of some elements. The relatively small number of panels currently being disposed of, along with the limited value of recovered materials, means many don't yet see opportunity.


Solar Project Design Master Course Course.

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Design a large-scale PV solar power plant

The current project is focused on the design of a large-scale PV solar power plant. To make the design it is carried out a methodology for the calculation of the different parameters required for the realization of a project of this nature.

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PV Technology and Business Management Course.

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Institute of Solar Technology a pioneer in PV solar technology training and an academic partner of University of Petroleum and Energy Studies, has created 1000+ new solar entrepreneurs since 2014. We are conducting online interactive + practical training sessions on PV TECHNOLOGY & BUSINESS MANAGEMENT for start-ups, entrepreneurs, managers, project developers, implementing agencies and EPC companies. Course focus is on solar power projects development and quality management. Course covers both rooftop and ground mounted MW scale PV power projects.


What you can learn from IST Big Business Course?
Learn about Solar Panel/Module Technology, Solar Power Plant Calculation & Design, System Costing, Funding Model, Loan Model, feasibility study, design and more.
How can you make financial project report to sell this solar "MONEY MAKING PRODUCT",

How can your customer (residential, housing society or commercial) get financial benefits? How can Save money and earn money from solar power plants?

In a single line - Develop a strong commercial pitch for your target customers

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Electric vehicle charging per kilometre 60 paise


Electric vehicle charging per kilometre 60 paise

The Ministry of Power has previously announced new EV charging infrastructure standards and guidelines. In compliance with the rules, the state government has fixed the ceiling cost of service charges to be charged by electric vehicle public charging stations. It approved the Rs 12.06 + applicable GST service cost maximum for electric vehicle rates covered by State/Central subsidies.
it is still less expensive than petrol and diesel. “It costs Rs 300 if any four-wheeler takes 25 units to completely charge their cars.” “You can’t even get three litres of petrol with the same quantity of petrol,”

Car comparison between petrol, diesel and electric vehicles

If the price of petrol is considered at Rs 100 per litre and mileage is considered 16 km per litre, the cost of the car, per kilometre, will be about Rs 6.25.

If the price of diesel is considered at Rs 95 per litre and mileage is considered 22 km per litre, the cost of the car, per kilometre, will be around Rs 4.31. 

 Whereas, an electric vehicle requires 30.2 units of electricity on being full charged, therefore if we consider Rs. 6 per unit as the electricity cost then it would cost Rs 181.2 for getting charged fully and then it would run for about 300km. In this way, its cost per kilometre will be close to 60 paise.

 The cost of charging an electric vehicle (EV) in Mumbai would work out to Rs 15 per unit, according to the Brihanmumbai Municipal Corporation (BMC). As per their calculations, an electric car would take anywhere between 20 and 30 units to be fully charged and it would cost the user Rs 200 to Rs 400.

 In Delhi, the government has fixed Rs 4.5 per unit for low tension charging of e-vehicles and Rs 5 per unit for high tension EVs. There would be a service charge based on the charging facility also. So it would cost anywhere between Rs 120 and Rs 150 for a fully charged EV.

 As per the infrastructure guidelines set by the government, it is compulsory to set an EV Charging station at every 3km in cities and 25kms on Highways on both sides. For long-range and heavy-duty vehicles, there should be a charging station at every 100kms on both sides of the road (mostly Highways).


Cost of Setting Electric Charging Station in India

            Cost of setting EV charging station in India varies from Rs. 1 Lakh to Rs. 40 Lakhs depending on the types of chargers and investment one is willing to make. However, considering a broader scenario and a supply of 250KVA EV Station below is the estimate.

Charger Type CCS – 60kW CHAdeMO – 60kW Type 2 AC – 7/22kW  Bharat DC-001 – GB/T Bharat AC-001
Approximate Cost 12,50,000 12,50,000 1,00,000 2,40,000 60,000


  • New Electricity Connection (250 KVA): 7,50,000 /-
  • Civil Works: 2,50,000 /-
  • EVSE Management Software + Integration: 40,000 /-
  • Technicians, Manpower, Maintenance etc: 3,50,000 /- yearly
  • Advertising and Promotion: 50,000 /-
  • Land Lease (if the land is at lease): 6,00,000 /- yearly

Total Approximate: Rs. 40,00,000 /- (First year including setup and if the land is at lease)
Annual maintenance from the second year: Rs. 10,00,000 /- (Including land lease)

Minimum Infrastructure Requirement for EV Charging Station

  1. A transformer with subsequent substation must be installed along with safety equipment
  2. For the purpose of metering/ termination, there should be a 33/11KV Cable with related equipment.
  3. Appropriate Civil works should be there
  4. There should be adequate space for charging and Entry / Exit of Vehicles
  5. Necessary local certifications, if any required. (Varies state to state)

Understanding the Business (Revenue Model)

        Revenue projections are something which we do not have control on. But we can assume a scenario and work out a feasible projection for the next 5 years.

If we take the above investment of Rs. 40 Lakhs, we get approximate of 500-1000 kWh per day EV power for consumption.


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