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In 2023, Josh Mylne and his family reached a milestone many aspire to: an all-electric lifestyle. Their energy bills, once soaring over $5,500, have been slashed to just $612 for the entire year, thats for both home and transport. Josh now spends only 11% of his pre-electrification yearly bills, and a mere 10% compared to the average West Australian household’s energy + fuel costs.
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Like many of us, Josh is a little addicted to Excel spreadsheets. Although economics wasn’t the primary motivator for electrification, the spreadsheets he created gave him confidence that his decisions were sound.<\/p>\n
When I shared his story in early 2023<\/a>, Josh had estimated that the combined rooftop solar plus battery investment would pay back in 6.4 years<\/strong>. We didn’t include the EV because he only had about three months of data. So now, a year later, we can add transport energy costs into the mix. First, here’s a timeline of Josh’s journey so far:<\/p>\n Josh with some of his electrical gadgets – EV, inverter, battery, and charger.<\/p><\/div>\n So, how is Josh tracking along with his payback estimate for the solar\/battery system?<\/p>\n Good question!<\/em> In the first estimate, we left out transport fuel costs. Since owning the EV, breaking down costs has become tricky because he now spreads electricity between home and EV usage.<\/p>\n To find Josh’s total household energy use, we could do one of three things (or all of them):<\/p>\n There may be other ways to do this, but I only have one lifetime, so I’m going with #1.<\/p>\n I, too, have been obsessed with spreadsheets. Here’s one I prepared earlier<\/a> just for this special occasion. I asked Josh to download it and compare the total cost of ownership for “buying his EV vs keeping his old Holden Captiva”. Josh loves spreadsheets, so he obliged.<\/p>\n With Josh’s data, the calculator estimated that his EV would be a better investment within six years<\/strong> than keeping his old car. Emissions, including embodied manufacturing, would also pale compared to diesel vehicles.<\/p>\n Not only would he be in a better financial position, but he would have enjoyed the comforts and benefits of a new vehicle rather than keeping his old wreck going with mounting maintenance bills.<\/p>\n Download the calculator and try it yourself.<\/a><\/p>\n EV vs ICE Vehicle Total Cost of Ownership Spreadsheet. Try it yourself<\/a>!<\/p><\/div>\n Remember what Josh told us earlier about his total energy costs for 2023? Since going all-electric, he paid only $612 that year for home and transport energy costs. Sounds impressive. Let’s break it down. It’s straightforward because his only fuel now is electricity (almost).<\/p>\n 2023 was the first full year our house was all electric. In 2019 energy bills were heading over $5,500, but over a series of steps, by 2023 we paid just $612 for all energy needs. #ElectrifyEverything<\/a> \ud83c\udfe1\ud83d\ude97\ud83d\udd0c\u26a1\ufe0f\ud83d\udd0b\ud83c\udf1e\ud83c\udf0f\ud83d\udc9a — Joshua Mylne (@j_mylne) December 29, 2023<\/a><\/p><\/blockquote>\n\n
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How’s The Payback Estimate Going?<\/h2>\n
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EV Vs ICE Vehicle Total Cost Of Ownership Calculator<\/h2>\n
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Josh’s Total Energy Costs In 2023<\/h2>\n
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Details how we got there: https:\/\/t.co\/2jvu994uyG<\/a> pic.twitter.com\/Q6lzbxm5fi<\/a><\/p>\n