Solar thermal versus solar PV

In terms of reductions in CO2 emissions per square metre of panel, PV panels can outperform solar water heating panels. This is only true for panels in near optimal positions. Our download shows that the performance of PV panels is reduced to a greater degree than solar water heating panels when positioned away from south [...]

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Solar renewables and Part L 2010

Photovoltaic (PV) Panel Annual Energy Output SAP 2009 has been updated to calculate CO 2  emission rates for the new Part L 2010. The assumed level of annual solar radiation in the UK has been increased from the 2005 version of SAP. This means that ‘1kWpeak’ of PV system will now show a greater electrical [...]

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