Solar Stats Q3 2023, Octopus Go Intelligent, and Rooftop Solar In Norway
ฝัง
- เผยแพร่เมื่อ 27 ก.ค. 2024
- While on assignment in Norway, I take the opportunity to interview a Norwegian colleague about his system and get an insight as to why solar makes sense in a country that has long cold winters.
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Also in this video:
00:00 Introduction
01:02 Solar Stats for my own home Q3 2023
06:38 Domestic Solar in Norway
17:45 Octopus Intelligent Flux and Intelligent Go
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Good to see the snowball in effect. We got an ASHP about 9 months ago and it’s been great so far.
Can't wait for the heat pump video as I am looking at this for my house.
I think it’ll be a multi part video. The first things I want to discuss are the technical proposal and the grants available. It probably won’t be installed until late in the winter. That’s fine for me, since I’ve still got a tank full of propane to get through.
good video, shows how the UK Gov don't fully support the publics energy transition, there are several states in the US that also allow users to use the grid as a battery.
I’d agree that the sentiment right now is for the uk government to not support any meaningful investment into zero carbon tech. Their historical record regarding zero carbon support is probably best summarised as being “incoherent and chaotic”. It’s just enough support to say “look! we’re helping you”, but it doesn’t amount to a weighty belief in zero carbon.
Good informative video Anthony ! It's great that sunlight was so effectively used in countries like Scotland and Norway where we have a long winter. Nice home tour by Harald as well :) I wish Indian government also promote solar energy transition by making policies simple and effective with subsidies.
India should have solar as the number one source of energy! My impression is that sunshine is in abundant supply in your country. I'm unsure how expensive your electricity prices are, but I would hope there's sufficient supply to even cover your winter time needs.
@@anthonydyer3939 Electricity prices are high in metro cities and sad part is high percent of power generated is still not green and clean. You're right with so much shine throughout the year, India should consider shifting to Solar in a bigger scale.
@@raaghavprasad08 I was just having a look at the retail solar market for India. Have a look here: shop.waaree.com/solar-module/
Prices are maybe 20% higher than the uk market. But I’m sure there a cheaper resellers than this one. It’s worth having a look.
@@raaghavprasad08 I was just having a look at the retail solar market for India. Have a look here: shop.waaree.com/solar-module/
Prices are maybe 20% higher than the uk market. But I’m sure there a cheaper resellers than this one. It’s worth having a look.
In Australia with have a EV plan that has 8 cents overnight 12am to 6pm and a good export rate of 10 cents for solar.
I decided to go with Agile.........I have a few days sub 5p ..... and a few hours at 0 and a couple at -1p............generally rates are pretty good.
I keep a close eye on agile as it gives a good leading indicator of where prices for other tariffs will end up. Certainly there’s a good correlation now between wind power market share and cheap prices. I hope that coupling effect only gets stronger.
When I installed solar on my house in the UK back in 2018 I had to replace my old spinning dial meter with a digital one because when I was exporting the dial was spinning backwards. It occurred to me then that keeping the old meter would have allowed me to use the grid as a perfect 100% efficient battery. Instead I changed it out as I didn’t want to risk getting fined. Strange how one approach can be treated so differently in two countries.
My sister got solar installed and unfortunately while her spinning wheel went in reverse, the numbers underneath didn’t. She’s got a smart meter now.
From a systems perspective the UK grid unfortunately doesn’t work like a battery. If you’re selling electricity at the same price that you’re importing it later in the evening, then you eventually find out that when everyone else does that, then the electricity suppliers go bust and there’s no supply to draw from at nighttime anymore.
So differential pricing is an important mechanism for balancing supply with demand. But the Octopus Flux Intelligent tariff is very interesting - you can treat the grid as a battery all year long, but the entry fee is that you need to hand control of your battery over to Octopus Energy. I suspect though that while import export prices are balanced for any particular day, they may well adjust the prices up and down through the seasons, so you can’t use it in the same way that you can in Norway.
Anthony make sure when you get a heat pump that you use not the standard heat transfer fluid - but an enhanced one.....its allot more expensive but the efficiency in the long run is far higher..........installers will only put the bog std transfer fluid in ....... and this will need replacing in 2 years unlike the more expensive fluid which is good for around 5 years...
I’d prefer good old fashioned (inhibited) water as my heating medium. The thermal coefficients are far superior compared to ethylene or propylene glycol by every measure except the freezing point. And in the end, freezing point only matters when the system has failed anyway.
The question is: How often do failures and freezing conditions coincide? The answer is quite often, especially when storms cut power to your house, and it’s here that system design could play a part.
It seems like every system I’ve seen brings the water outside to the monobloc unit. I wouldn’t mind seeing a system that instead brought the refrigerant lines into the house prior to heat exchange with the water. That would eliminate the need for both glycol and anti freeze valves entirely.
Enjoying your videos, I was thinking would be great to touch base and compare systems as I am also in Aberdeenshire and I am planning on installing an airsource heat pump for my heating and hot water. Let me k ow if you would be interested 😊
It’s always good to compare notes! Send me an email Anthony dyer one nine seven eight at gmail dot com
So your plan at 19:35 is to stay awake all night and sleep all day - thereby making a profit on your solar? Very appropriate for Halloween!
Looking forward to your video on heat pumps. I can't think how the economics work here in Scotland with electricity to power the pump three times the price of gas (per kw/h) and the air temperature in Scotland hardly conducive to heat exchange. So your more learned approach will be invaluable!
The output of heat pumps is 300 to 400% of the electrical input so the fact that gas is 3 times cheaper than the price of electricity essentially puts heat pumps just ahead of gas in the worst case.
And that’s the worst case! Once you factor in the overnight tariff, the battery storage, the daytime solar, it can only get better.
As for Scotland being “hardly conducive to heat exchange”: Norway is far colder and despite that heat pumps are a perfectly normal way to heat your house. You saw Haralds system, that was just a compressor unit and room unit connected by a short pair of refrigeration lines. That’s as simple as it can get! No need for a complex multi room wet central heating system in his example.
Frankly the reasons the UK hasn’t gone to heat pumps already is simply down to the historically cheap price of gas, and cultural inertia. Gas is no longer cheap, so now the only question remains: how long does it take to retrain a plumbing workforce who have known nothing but OFTEC and the gas safe register? I suspect the answer will be “faster than anyone imagines”.
In the USA, you can buy compressor, room unit diy kits with “pre charged” refrigeration lines that you just “plug and play”. It’s only a matter of time before that becomes an option over here (assuming it isn’t already).
@@anthonydyer3939 very interesting. I look forward to your video.
There's also the cost and disruption of the internal works needed - larger pipes, bigger radiators or reverse engineering underfloor heating. The mess and upheaval could be horrendous not to mention the cost.
So I await your video with anticipation.
That Grid battery style of tarrif use to be in california but they stopped it once too many people started using it cutting into profits.