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Solar Systems, batteries and their benefits

Oct09
by Phil Tann on 09/10/2023 at 7:12 pm
Posted In: Computing

Recently I’ve seen a lot on social media about solar systems, batteries and their benefits, or more frequently, their perceived lack of. In South Australia, we’ve seen a significant spike in power costs and that’s meant that houses that previously were getting negligible or no power bills are now getting them and other families are seeing large bills…

What’s the problem?

Putting it mildly, the cost of everything is going up and getting a surprise $1,500.00 power bill in the post is getting some people right to their breaking point.

I honestly feel for everyone in this situation right now, I’ve seen the largest bill we’ve had in many years this quarter and our power use hasn’t been over the top. That all got me thinking and I’ve put together a bit of a thought package for everyone to hopefully help understand the situation better, how to minimise your bill and the benefits of having solar, a battery or both.

Is solar the solution?

Yes, and no…
For a family who is not home during the day, not using power and feeding all of their solar generation back to the grid, it feels like you should be “making” money from this. The short and depressing response to that is you won’t!

Most power plans in SA at least, are giving you somewhere between 7 and 15 cents per kWh you feed back to the grid. You’re then getting charged a lot more, in the range of 40 cents for every single one that you draw from the grid to power your home in the evening when everyone is home and using power-hungry appliances like

  • Heating or cooling
  • Ovens
  • Computers
  • Kids who don’t know how to TURN THE F*%&^NG LIGHTS OFF…

It all adds up quickly. And for every three kWh you have fed back to the grid during the day, you only need to draw (for the sake of round figures and taking into account the daily access charge) one to offset that in terms of cost.

This is where a solar battery adds to the value, rather than feedback to the grid at 10c per kWh, then draw from the grid at 40 cents, a net cost of 30 cents per kWh; you’re storing that energy, meaning you “save” 30 cents for every kWh you store then use from your battery.

What about families that are home

Very similar applies; however, you’re best off using your solar power when it’s generating for the same reason. If you feed back to the grid, you get a lot less for the power than you pay if you’re using power from the grid.

So if you’re home, run your washing machine, dishwasher and anything else power hungry that you need to during the day when your solar is generating power. Other items that can wait, until — depending on the power plan you have — offpeak or shoulder times will cost you less to run.

The trick is — wherever possible — to run your high power use appliances either when your power supply is cheapest, or, ideally from the sun and “free”.

I’ve been tracking our power use for years, and what I see (hopefully useful to others) is that:
– Sometime around September our solar (4.5kW array) produces more power than our home uses for the month
– This is also when we start seeing genuine financial benefits from our solar battery as it fills during the day.
– As a result, from September through to around March or April, our power usage from the grid is negligible
– Power use from the grid (solar decrease) goes from April, peaks in July for heating, then subsides.
– The solar battery also means that if the neighbourhood loses power, we don’t… We sometimes only know because the lights momentarily flicker, and — if we notice — the app sends a notification.

Remember, even if you don’t draw anything from the grid, for a 90-day period you’ll end up with a $72.00 bill, just for being able to get power to your home. You’ve also got every right to shop around for a better deal, and that could be hugely beneficial to you depending on your power usage patterns.

There are a number of ways to minimise your power bill, but the sad reality is that we’re going to see continued price increases on everything. Unless you’ve got a lot of north facing (maximum sun exposure) roof space, the money to buy a big solar system and a couple of solar storage batteries then the days of even having the potential to make money from solar are all but gone. The best you’re going to manage is to make a dent in the bill, but don’t discount the value that your solar has, just because you’re now, or still getting a bill; your investment will have made a difference.

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No news was good news…

May13
by Phil Tann on 13/05/2023 at 1:44 pm
Posted In: Personal

It’s been far longer than I thought when it comes to updating everyone on Alex’s treatment and general wellbeing. As they say, no news is good news and it’s all been smooth sailing for some time.

Along the way, we’ve had some great times and spent a lot of time with friends. Most recently we flew to Melbourne, on their first flight, the kids managed to talk their way onto the flight deck; Sincere thanks to the crew who looked after us and Captain Andrew who invited the kids to have a look

While we were there, we stayed with some friends and had some adventures while we were there. Scott and I went to Knotfest, which was an amazing — and exhausting — day full of music and fun.


We also had the opporutnity to catch up with a beautiful friend; Alysha who wasn’t worried at all that her partner Ivan was travelling. In a surprise to no one, the kids fell in love with her and, I’m pretty sure the feeling is mutual. 😀

On to the matter at hand: About 7 weeks ago, we paused his chemo meds as a bit of a test to “see what happens”. Along the way we’ve had a few of the old symptoms pop up with random vomits, complaints of headache and fairly significant lethargy. So, if I’m honest, I was worried about the scan following pausing the medication.

On Wednesday just gone, we had the first MRI since pausing his meds and that was a pretty long day. Arriving at the hopstial just after 10:30, confirmation shortly after that he was second on the list for scans. By about 12:30 he was bored and asking whether it was time to go in for his scan… Then repeatedly at intervals less than 10 ninutes until just after 2pm (by which time I was bored…) when we got called through to radiology.

I had some running around to do in the — normally about 1 hour 40 mins — time he was in for the scan. About 2 hours after he went in, I got a phone call telling me he was struggling to wake up from the anaesthetic and asking if I wanted to come to recovery. I wanted to go, but resisted becasue if he’s calm in recovery we leave him alone generally. Then I had a pile of snoring blankets returned to me in DOSA.

While it wasn’t unexpected, it still sucked getting the news that several of the lesions had increased in size. It’s not panic stations, but as a matter of urgency he’s back on the meds to arrest and hopefully, control the growth of the lesions for the foreseeable future.

Generally speaking, Alex is still pretty well with only a bit of appetite impact on him at the moment. We’ll keep working with him and the doctors to do what we can about this bastard disease. He’s already beaten the odds multiple times over, he’s got that in him to keep doing it and we’ll be there with him every step of the way and we know the love and support we have isn’t lacking either.

We’ll try to be more pro-active about updates!

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Anniversaries, they’re a special skill

Jan27
by Jo Tann on 27/01/2022 at 1:26 pm
Posted In: Personal

It’s hard to believe that the last update here was about Alex’s birthday, and now here we are starting a new year. Tempus really does fugit.

We have in the past made mention several times of Alex’s uncanny ability to have medical emergencies/hospital visits on significant dates, the very first one he ever had was January 3rd 2013. We figure he was aiming for my birthday but missed since it was his first attempt ?.
Well, this year we have been given proof that aiming at anniversaries is a skill possessed not only by Alex.
On the 3rd of January 2022, 9 years to the day of Alex’s initial diagnosis, Jenny woke up with a tummy ache.
She was feeling off all day, refunding a bit of dry toast and not wanting to eat anything else, but perking up after some Nurofen. Once it wore off she faded and went for a nap, waking at around 3.30 in significant pain, she was curled up unable to stretch out, and her tummy ache had become a specific point of pain on her lower right side.
Phil and I, being somewhat semi-pro at this by now, exchanged a look and went to pack an overnight bag and we were in the Women’s and Children’s hospital and into an ED room by 6 pm.

Due to current conditions, the first order of business was a covid test for Jenny, then obs, a wee sample to rule out a UTI, and a blob of numbing cream on her elbow to prepare for a cannula. Because the PCR covid test results take time to come back until she’d had a negative result, everyone who entered Jenny’s room had to get fully gowned up in full PPE, and we weren’t allowed to leave the room.

We saw Dr Rachel at 7.50 pm for a quick exam and she decided an ultrasound was in order, and by 8.45 pm the cannula was in and the ultrasound was done. The ultrasound tech left the room saying ‘I think we’ve found what’s wrong but I can’t officially tell you’ which I took to mean Jenny had appendicitis. At 9 pm A large angry appendix was officially confirmed, but because of covid, unless it’s a “right now emergency” the hospital has to wait for a negative covid test before they can take a patient into surgery.

The staff said the tests usually take around 12 hours to come back, so Jenny would be fasted from 2 am with surgery hopefully around 8 am the following morning, provided that she stayed stable. In order to try and maintain said stability Nurse Sophie hooked up tasocin – which is a really really powerful antibiotic – at 10 pm and Dr Cherryl came in at 10.30 pm to run through what would happen next.

After a short rundown on laparoscopic surgery and risks associated with anaesthesia and surgery, I asked about what might have caused this, and the answer was surprising. The most common cause of appendicitis in kids is apparently poo stones – fecaliths to give them their proper name (if you want to get super technical ones which form in the appendix are called appendicoliths). They are similar in nature to kidney stones only they aren’t caused by poor diet or lack of water, they are just a thing that happens. They get bigger over time and can block the entrance to the appendix causing appendicitis. With a diagnosis in place, we were moved from ED to a four-bed bay in Newland ward at 11.45 pm and settled into bed around 12.30 am.

I was woken at 3.30 am and told that we had to be moved into a single enclosed room over on Kate Hill ward. Someone, somewhere, hadn’t been told Jenny’s covid test was still pending and so we were put into the ward. At 3.25 am presumably the same someone had realised there was no negative test on file and so we had to be put into isolation until her covid results come back. At 3.30AM.

Jenny had more tasocin at 5.30 am and at 8.30 am we spoke to the anaesthetist, but we were still waiting for a negative test. We were told that once the test came back then they would find a slot on the emergency list for her. Finally, after the staff called to chase them, at 1.30 pm Jenny’s test came back negative. She was taken to surgery at 2.50 pm and was asleep by 3.30.

Pre surgery
Post surgery

I was then told we had to move again! No more cushy single room now they knew she was negative, and back off to a four bed ward I went to wait for Jenny’s return. At 4.15 pm I got a call from Ben the surgeon, everything was all done – textbook smooth. She would have to have one more dose of antibiotics, then home the following morning.

Jenny came back up around 4.30 pm still pretty woozy, but after a bit of a snooze she decided she was hungry – unsurprisingly given the last meal she’d had was dinner two days before. After a pot and a half of jelly, 2 cups of apple juice, a slice of Vegemite toast, 2 cups of milk, a final dose of tasocin and a LOT of ABC kids she fell asleep at 9.30 pm.

We were both up at 6.30 am, and surgeon Ben came around to visit at 7 am. He said everything looked great, he wanted the nurses to change the dressing and then we would be good to go home. Post-surgery he said Jenny needed to take it easy for a week or so then can start getting back to normal – no swimming for a week or so but she could shower. Dressings could be removed after a week, and as all the stitches were internal and dissolvable there was no need to come back in.

So on the 5th of January at 11 am Phil and Alex came and picked us up and we went home until the next time.

The next time was just under two weeks later, the 18th of January, but thankfully not for an emergency – Alex’s scheduled 3 monthly MRI. We were on the morning list – 7 am presentation at DOSA, but when we got there we found the door closed. A notice told us to go around to the recovery side, where you usually end up once your procedure is done.

DOSA has essentially been shut down during the current covid situation, only essential procedures are going ahead, so everyone is put in their own bay while they are waiting, rather than all seated together in the regular waiting room.

Checking in with the nurse we discovered that anyone going through DOSA was supposed to have had a covid test within the last 72 hours. As that memo had somehow missed us, Alex had to have an on the spot RAT test before he could have the scan. We got the test done easily enough – he wasn’t happy, the throat swab made him gag and the nose swab apparently hurt, but it was done and we settled in to wait. One good thing was that since we were in the recovery ward side of DOSA and in a bay there was a TV over the bed! Alex passed a happy few hours listening to ABC kids and we were called down to imaging at 11.15.

Alex had a lovely chat with his old friends Lea and Carolyn in the MRI waiting room and at 11.40 after a rousing rendition of the rainbow song with Dr Rowan I headed off to get some scripts from the endocrine department and to grab some lunch.

9 times out of 10 Alex waking up from anaesthesia is a fairly easy process, he tends to be a bit grouchy for a time, but leave him alone for a bit and he will come back to his usual self after half an hour or so. This wake up was number 10. I got called into recovery, where particularly now, parents are seldom invited.

I could hear Alex yelling from down the corridor, he was not a happy camper!

He refused to put his hearing aids on and was laser-focused on getting the canula out, but he HAD to do it himself. He was actually re-wrapping then unwrapping the bandage on his hand as the nurse who was trying to help had undone it for him. “I want to do it!” was yelled out at top volume more than once. He ended up with the bandage off and then started on the Tegaderm patch which was holding the cannula in place. All attempts at assistance were met with furious yelling and hand swiping, and he did end up pulling out the cannula himself – which the nurse wasn’t quite ready for but caught amazingly well.

I’d been trying to get him to put on his hearing aids but he kept shoving them away, only to two minutes later start shouting “oh no I can’t have my hearing aids!” He did eventually put them on and we headed back to DOSA recovery.
Many cuddles later he started to calm down, and I eventually got out of him what the problem was. Turns out he was upset about smelling the colours being over and he wanted to go back in and do it again.

He soon perked up and came back to his normal self pretty quickly after that, he had milk and all the chocolate treats that I’d brought with me but decided that he wanted to have his lunch at home. Dessert first right?

Nurse Taylor signed us out and Phil and Jenny came to pick us up.

Watching Peppa Pig with Jenny after coming home from his MRI

We got home and all was well, but I got a call that afternoon from an oncology doctor – Dr Rachel – they had seen a shadow on his lungs in the scan and were calling to check to see if he’d had any respiratory issues – which he hadn’t. She said they would do a thorough check of the scan to try and determine what the shadow was. Understandably with the scan only being done that day they didn’t have the results for us, but we had an appointment for Thursday for a checkup and she said they would let us know the findings then.

Phil took Alex in for his Thursday appointments, first for a lucarin injection with Nurse Kate, then an echocardiogram and ECG with David, who said everything was looking good, and then an oncology checkup with Dr Daniel.

The injection was tough to get through, especially as I was on the other end of the phone and not really able to do much, but everything else went smoothly. The shadow on his lungs turned out not to be a cause for concern – his lungs had partially collapsed under the anaesthesia, but apparently, this is normal(!)
We were also given the scan results, in official speak:”sustained reduction in size as compared with January last year, but no significant reduction compared to the last scan”
This essentially means that there’s been no tumour growth since the last scan, but no visible reduction either, so I suspect the next checkup will include a chat about increasing the medication dosage.

I sincerely hope that everyone else’s start to the year was significantly less hospital filled (and will continue to be so!) and wish you all a happy and healthy 2022.

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