430 - Small Winemaker, Big Wines, Zero Power Bill

Joe Evans was last on the show in 2018, picking grapes and talking about his craft. A lot has changed at Ballycroft Vineyard & Cellars since then. Joe has turned a $6,000-a-year electricity bill into a source of profit, using 33 kilowatts of solar, a bidirectional V2G converter, and two Nissan Leafs to run his house, his winery, and his cellar door without drawing from the grid. He believes Ballycroft is the world’s first winery to make and mature wine entirely on solar and car battery power. Photos of Joe for the show notes and the podcast player, were taken by Thomas Wielecki. There is no SA Drink of the Week this episode, though Joe does give a tantalising description of his 100% Mataro and a very limited release Small Berry Shiraz Pressings 2022 that had already sold half its 400-bottle run within a month of release. For the Musical Pilgrimage, Steve shares an original composition recorded with his virtual session band, The Virtuosos. Another Bloody Year was written just a fortnight before recording, prompted by rising fuel costs, global instability and a CS Lewis speech from 1939 that turns out to be as timely as ever. You can navigate episodes using chapter markers in your podcast app. Not a fan of one segment? You can click next to jump to the next chapter in the show. We’re here to serve! The Adelaide Show Podcast: Awarded Silver for Best Interview Podcast in Australia at the 2021 Australian Podcast Awards and named as Finalist for Best News and Current Affairs Podcast in the 2018 Australian Podcast Awards. And please consider becoming part of our podcast by joining our Inner Circle. It’s an email list. Join it and you might get an email on a Sunday or Monday seeking question ideas, guest ideas and requests for other bits of feedback about YOUR podcast, The Adelaide Show. Email us directly and we’ll add you to the list: [e-mail] If you enjoy the show, please leave us a 5-star review in iTunes or other podcast sites, or buy some great merch from our Red Bubble store – The Adelaide Show Shop. We’d greatly appreciate it. And please talk about us and share our episodes on social media, it really helps build our community. Oh, and here’s our index of all episode in one concisepage. Running Sheet: Small Winemaker, Big Wines, Zero Power Bills 00:00:00 Intro Introduction 00:00:00 SA Drink Of The Week There is no SA Drink Of The Week this week, but we encourage you to browse the Ballycroft Vineyard & Cellar online store. 00:04:19 Joe Evans, Ballycroft Vineyard & Cellars If you have ever stared at a power bill and felt a quiet fury, Joe Evans is the person you need to hear. Back in the late 2010s, South Australian electricity was already the most expensive in the country at around 28 cents per kilowatt hour. It is now around 58 cents, which Joe says makes South Australia second most expensive in the Western world. His response was not to complain but to act. The journey started in 2019 when Joe purchased a 40-kilowatt Nissan Leaf from a rural dealership, becoming what he believes was the first person in Australia to buy an EV from such a dealer. The car he specifically chose because it had bidirectional capability: charge it during the day, discharge it at night to power the house and winery. The catch was that the V2G converter needed to make that work took three and a half years to get Australian standards approval. Joe was the first residential and small business owner in the country to install one. Walk through a 24-hour cycle at Ballycroft Vineyard & Cellars and you begin to see how elegantly the system operates. From around 6am, the car battery powers the morning rush: kettles, hair dryers, the household waking up. Once the sun rises and the 33-kilowatt solar array kicks in, the car recharges within an hour or two while simultaneously running the house and winery. During vintage, when the fermentation chillers are working hard around the clock, Joe uses one car’s full 60-kilowatt battery per night. His figure from last year: 42 kilowatts used across 42 days of fermentation. That is one kilowatt a day, or about 58 cents. Without the system, it would have been closer to $30 a day. He is now running two Nissan Leafs, a “his and hers” arrangement after his wife fell in love with the original car. The second, a secondhand 2021 60-kilowatt model purchased for $36,000, he describes as a generator on wheels. He bought it primarily for the battery. A 50% government rebate later led him to add a home battery as well, though the cars still do the heavy lifting. For listeners weighing up an EV, Joe offers practical advice grounded in four years of real-world use: keep the battery between 20% and 80%, never leave it at 100%, and prioritise V2G capability when choosing a car. He notes that Tesla has explicitly ruled out V2G to protect its wall battery sales, while many newer European and Chinese models are building it in. A new Wallbox Quasar 2 with CCS2...