Questions we all have as prospective solar 'investors' (in the UK) include: will the generated energy cover my usage? What is my usage? Don't our reliably drizzly summers make a mockery of this solar malarkey? There is a theoretical approach to answering all these questions but thankfully these days it is easy finding someone whose … Continue reading Monthly Stats: October20 update
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UK Government Energy Grants
Even those with a desire (regardless of payback) to make their homes as efficient as possible can easily get to a point where funding the required improvements becomes the limitation. Fortunately for a number of years now there has been a form of government assistance in one form or another. The latest assistance scheme, The … Continue reading UK Government Energy Grants
Energy Tariffs for EV
Frequently cited motivations for installing domestic solar pv and batteries are to reduce carbon footprint (lessening climate & environmental impact) and save money (reduce energy bills). As for the latter, there are further steps that can be taken to reduce your bills ... change your supplier and ditch poor tariffs (encourage others to do the … Continue reading Energy Tariffs for EV
Getting the right battery size
How do I size a battery for my home installation? Although it appears to be a simple enough question, it is however just as complicated as asking "how do I determine the 'right' range for my EV" i.e. there is no 'one size fits all' answer. If you can afford to spend more it then … Continue reading Getting the right battery size
Why install solar?
Every now and again we all walk purposefully into the kitchen (and usually open the fridge) only to realise that we have completely lost track of what we came in for... Similarly with our various small home projects, we start with a clear ideal of what we want to achieve but other developments take over … Continue reading Why install solar?
How to determine the appropriate solar array size to install?
One of the key questions that most people will ask during their research of solar is how do I calculate the system size I need. There are various methods and I will share the approach that is currently taken by MCS standards organisation (MCS - Micro-generation Certification Scheme). MCS they create and maintain the standards … Continue reading How to determine the appropriate solar array size to install?
UK Solar – Useful resources
This post is a set of references for another post. It will probably make more sense if you are reading it as part of this one. Calculating Array Size UK Solar Regions UK Solar Regions: As per MCS Shade Evaluation Procedure 1 Guide - last accessed 10.04.2013 Solar Radiation Input Factor (kk)
Smart Export Guarantee (SEG) Tariff comparison
Comparison data as at 30.03.2020 (featuring 'big six' but more suppliers to be added) Comparison data as at 30.03.2020 (featuring 'big six' but more suppliers to be added) Company NameTariff Name Tariff rate Details Comparison data as at 30.03.2020 (featuring 'big six' but more suppliers to be added) Octopus EnergyOutgoing Octopus - Fixed5.5 p/kWh 1. Export … Continue reading Smart Export Guarantee (SEG) Tariff comparison
AC Coupled vs DC Coupled Battery
This short post is written in response to a frequently asked questions about what sort of home battery configuration is best to adopt. When you selecting a battery set-up for your solar, there is choice between a DC coupled or an AC coupled system. Top is a DC coupled system and bottom diagram is an … Continue reading AC Coupled vs DC Coupled Battery
Solar in the UK
This article is a general overview of 'typical solar' UK solar requirements. Look for the article on detailed solar estimate calculation - how much solar energy your can generate from your own roof in over the course of a year. You don’t need to have done a lot of research to deduce that the consistency … Continue reading Solar in the UK
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