Tag Archives: energy

May 2016 to Feb 2017 – Solar Storage Data

Spring is in sight and we have just done the analysis of February’s performance with our solar PV (4kW) plus Wattstor battery (6kWh) system.  The longer days and the sun being higher in the sky have started to make a … Continue reading

Posted in Technology | Tagged , , , , | 6 Comments

May to December 2016 – Domestic Solar Battery Data

“‘Tis the year’s midnight, and it is the day’s, Lucy’s, who scarce seven hours herself unmasks; The sun is spent, and now his flasks Send forth light squibs, no constant rays;” So, how has Bert, our Wattstor solar battery, fared … Continue reading

Posted in Technology | Tagged , , , | Leave a comment

Twizyology 4 – Low energy travel – a different way of thinking

We own a Renault Twizy and operate a small hire fleet of them via the Eco Travel Network here in the Brecon Beacons. Apart from being great fun to drive and a fabulous way to enjoy the hills and lanes … Continue reading

Posted in Psychology, Technology | Tagged , , , , , | Leave a comment

Solar miles

As you may have spotted, The Prospectory has a strong interest in the relationship between energy and travel – from both a technical and psychological perspective. We are interested in how we can all move around using a lot less … Continue reading

Posted in Technology | Tagged , , , | Leave a comment

Twizics 3

Twizics 2 identified air resistance as a major energy drain at high speed, but changing speed also uses energy.  If there were no air, drive train or tyre drag, we could maintain a constant speed with little or no energy … Continue reading

Posted in Technology | Tagged , , , | Leave a comment

Twizics 2

Most Twizy drivers will struggle to achieve 125 [wall] Watt-hours per mile and a range of 50 miles in a hilly area like ours.  There are two important numbers governing the range and speed of a Twizy – 30 and … Continue reading

Posted in Technology | Tagged , , , , | Leave a comment