Installing PV electricity yourself – with Mac MacDonald

Solar electricity or more accurately photovoltaics (or PV for short) is gaining in popularity at the domestic level as prices continue to drop due to the increase in production by China.

PV is the method of converting solar energy into direct current electricity using semiconducting materials that exhibit the photovoltaic effect. You can read more about the technology behind PV on various sites including Wikipedia – where I got this definition!

as at 2015, it is now more economical to install PV to produce the electricity needed to heat your hot water that it is to install evacuated tubes for solar hot water. More importantly there are many environmental benefits of installing PV, both for our own use and also to supplement the grid supply with energy from a renewable resource.

In a previous show on 8th August 2013 – with Chris Freear, we talked about the pros and cons of getting PV installed for electricity generation at your home.

In today’s show, I will be chatting with Mac McDonald about why and how he installed PV himself to supply hot water for his household. And how, with a bit of practical know-how, we can do the same!

Mac is a builder, owner of Mac ??? He lives on the Otago Peninsula.

To listen to this programme about Installing PV Electricity Yourself please click on

This programme was originally broadcast on  the  4th June 2015 with the help of Otago Access Radio 105.4FM. Eco Living in Action is hosted by Maureen Howard and is supported by the Dunedin City Council.

Mac MacDonald in the Otago Access Radio studio

Mac MacDonald in the Otago Access Radio studio


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