4 FAQs about Cost-effectiveness analysis of a 30kW solar container in the UK

Is the cost of UK solar PV electricity decreasing over time?

From our results below, it is clear that the cost of UK solar PV electricity is quickly decreasing over time, across all PV system sizes for both approaches used. Although the cost decrease is slowing down over time, it is still very significant, even in the last several years.

Will the CAPEX costs for solar plants fall rapidly in the UK?

As the most favourable sites are developed, costs other than PV modules and inverters may rise and ofset any reduction in the costs of PV modules and inverters. In combination these trends suggest that it would be imprudent to expect the capex costs for solar plants in the UK to fall rapidly in future. 4. Opex costs

Are solar panels affecting CAPEX costs?

The trend in capex costs is consistent with the fall in the costs of solar panels and inverters, but other costs have increased over the period and appear to be afected by a scarcity of equipment and skilled labour. Further falls in the cost of solar panels will only have a limited impact on total capex costs.

Will solar projects incur higher cost if underlying price trends are favourable?

Table 2 (page 12) shows that the average capex cost of solar plants excluding PV modules and inverters increased by more than 50% during the previous boom when underlying price trends were favourable. With much less favourable global price trends it is very likely that the AR4 projects will incur higher costs for these residual items.

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