Economic life of photovoltaic panels

Why is it important to understand the photovoltaic (PV) effect?

After discovering the photovoltaic (PV) effect, understanding physical principles, developing practical technology, decreasing the price of solar cells and modules production, creating massive amounts of PV systems and huge PV plants - maintenance and analyzing failures of PV systems and plants are becoming more and more important issues.

What are circular solar PV business models for end-of-life panels?

In relation to the raw materials used, the review results show that circular solar PV business models for end-of-life panels mostly concentrate on new wafer and cell engineering processes used in the manufacturing of silicon and thin-film PV cells.

How long do photovoltaic panels last?

Our data from the long-term operation of 85 photovoltaic power plants in central Europe show that their actual lifetime is about half that of the originally planned lifetime. After about 10 years, serious failures of 1st tier (bankable) PV panels occur at an increasing rate.

Are solar PV benefits a circular economy?

Although raw materials, cost, job markets and PV system benefits may be seen as being outside the narrow solar PV value chain and end-of-life practices, it is important to also include them as the main aim is a circular economy that provides efficiencies and sustainability opportunities.

Can PV panels reduce energy payback time (EPBT)?

This is unsustainable and hazardous to the environment. Effective recovery and recycling of materials from PV panels could potentially reduce the energy payback time (EPBT) associated with PV panels.

How has the solar PV industry evolved in recent years?

The evolution of the solar PV industry so far has been remarkable, with several milestones achieved in recent years in terms of installations (including off-grid), cost reductions and technological advancements, as well as establishment of key solar energy associations (Figure 5).