CNET
‘Artificial Blowhole’ Generates Wave Energy for 1 Year
The UniWave200, a device that converts wave energy into electricity using an artificial version of a blowhole, just completed a one-year test producing energy off the coast of King Island, Australia. We talked to the CEO of Wave Swell Energy, the company behind the project, to find out how it went, what they learned, and…
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Hawkeye
September 18, 2022 at 3:50 pm
The ocean is a natural constant motion machine that if we used to make energy we would never have an energy crisis again. It would become a thing of the past.
kenan Grace
September 18, 2022 at 3:55 pm
*I’m done sitting tight for the award advance since i acquire$23,000 every 12 days of my investment📩*
Rebecca Henderson
September 18, 2022 at 4:22 pm
Great, love it, but he didn’t say a word about how they’re going to protect the sea life from going in or being sucked inside it??
Scott K
September 18, 2022 at 7:40 pm
There’s nothing really sucked in like you might see with a seaside nuke power plant where water might circulate through a system of pipes. The water needs to freely flow up and down with the waves, and stuff in the water needs to be free as well.
Procat Procat
September 18, 2022 at 10:35 pm
You clearly didn’t watch the video
Rebecca Henderson
September 19, 2022 at 12:52 am
@Procat Procat Well I did. He mentioned how sea life was very interested and intrigued by the wave machine, but did not say anything about actually protecting that sea life from harm due to entering the machine.
Scott K
September 19, 2022 at 1:01 am
@Rebecca Henderson look at the rendering at 0:56 and you’ll see the water isn’t really “going anywhere”. It’s just the rise and fall with trapped air above the water line on one side.
MrJoegotbored
September 18, 2022 at 4:43 pm
No comment on power generation? The key numbers are efficiency and availability, not power generation? Even if it’s 100% efficient and 100% available, if it’s only generating a small amount of electricity, who cares? How do you do a tech review on power generation and not mention the amount of power generated?
Ted Clutter
September 18, 2022 at 5:04 pm
Won’t tell us how much electricity the fool thing generated and at what cost. Also, the numbers given for solar are wind are a fraudulent representation of their true worth, which is very low due to cost and true availability, which is closer to 30%, not 90% – The world of renewable energy is filled with spin doctors, PR men and outright fanboy liars.
Mo Casorla
September 18, 2022 at 5:08 pm
Time for California to get rid of those pretty beaches and actually do something with them😂, like provide a sustainable power grid and source for their residents. Regardless of how much power they can produce, if you have enough of them they should produce enough power for residents not to worry about blackouts every year during the summer. Just saying!
Rick Murie
September 18, 2022 at 5:14 pm
I want one.
Chad Fraser
September 18, 2022 at 6:25 pm
I expect the Navy will ordered hundreds of them and given it a fancy acronym name like: SEA WART (wave auto rapid turbine) or something.
Lepi Doptera
September 18, 2022 at 6:48 pm
Yet another Rube Goldberg device to tap into wave energy. 😉
Josh McLort
September 18, 2022 at 6:49 pm
This is the kind of technology that gets me excited. So cool!
Scott K
September 18, 2022 at 7:48 pm
I worked with a company that developed a similar system, working with the Navy and some Pacific Island entities. Used wave rise/fall and essentially a giant piston/flywheel to spin a generator. Can’t say much more here, but big issues are proximity to grid and “scale”. These must anchor to sea floor. Ideal is conversion of near offshore oil rigs. Also, connect to pumped hydro is nice if you’ve got a reservoir and elevation nearby.
Procat Procat
September 18, 2022 at 10:32 pm
Are you sure? Surely this system only works effectively at the coast where the sea floor rises and forms vertical energy transfer. Out in the ocean where oil rigs are located this effect does not occur
Scott K
September 19, 2022 at 1:05 am
@Procat Procat lol. There are waves in the ocean. But yes, the near offshore part is relevant for many reasons. Like power transmission lines. Imagine a giant mostly empty drum or barrel that weighs 5,000 lb. It’ll float, bob up and down with waves, and If that up and down motion is pushing up against a piston and flywheel it can generate a lot of power.
Dlerious D
September 18, 2022 at 7:48 pm
This is the kind of innovative eco tech we need for our future….very nice
Chuck McCown
September 18, 2022 at 8:32 pm
What is its surface area? What is its mass? What is the power output? What is the kW/$ What is the kW per square meter?
Send a Text on Telegram👉 @CNET_GIVEAWAYS
September 18, 2022 at 11:30 pm
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Jizzle Cizzle
September 18, 2022 at 8:53 pm
The capacity factor is a key consideration missing from the presentation of the test.
Pierre
September 18, 2022 at 9:01 pm
More clean energy videos please! Thanks for this one already 🙂
mekkafly
September 18, 2022 at 9:06 pm
Who would want to look out from the beach at this unnatural, ugly structure
maf fef
September 18, 2022 at 9:40 pm
Hey CNET can you do a video on hair cloning please. It’s an emerging new technology for the hair loss community!
Send a Text on Telegram👉 @CNET_GIVEAWAYS
September 18, 2022 at 11:30 pm
🔝🔝🔝 Congratulations 🎊 you have been selected among my shortlisted winners 🎁🎁🎁
Dm to claim prize Congrats 🎊 🎊
kimoshwaby
September 18, 2022 at 10:20 pm
Reallly good idea, can I get one for my house, or live there 😀
Rossana Yunker
September 18, 2022 at 11:15 pm
Thank you for the interesting video and technology overview. I’d like to know if there is technology that can clean air in very polluted cities. Thank you
Send a Text on Telegram👉 @CNET_GIVEAWAYS
September 18, 2022 at 11:31 pm
Sénd Sugge’stions in, Private message,,
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Roger Garrett
September 18, 2022 at 11:58 pm
The one number they didn’t even touch on is actually HOW MUCH ENERGY does it capture, how much electrical energy does it produce. Efficiency is irrelevant if the amount of energy entering the device is actually very small. A wave going up and down inside the device is actually minuscule. Does it produce enough energy to run a hundred homes or just half a home? If you’d need hundreds or thousands of these devices to produce any reasonable amount of energy then they’re a failure. But no such info is discussed in the video or provided by the company.
Joshua Axford
September 19, 2022 at 12:06 am
Talking about winds 50% efficiency and solars 20% efficiency and then this machines 50% efficiency has no bearing on its economic efficiency. How much does it cost to produce 1kW of electricity from this machine?
Moonwalker
September 19, 2022 at 12:56 am
I know its a working prototype but that seems like a huge structure for just one blowhole. hopefully they can evolve it for a more compact footprint. The seawall idea they mentioned sounds good.
Kent Robert Swick Jr.
September 19, 2022 at 1:00 am
This seems like it’s desperately needed in places like Puerto Rico and could be experimented with there for research helping those people in need there.
Young Han
September 19, 2022 at 1:10 am
Piezoelectric sidewalks and roads
Send a Text on Telegram👉 @CNET_GIVEAWAYS
September 19, 2022 at 1:22 am
Sénd Sugge’stions in, Private message,,
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Telegram:@CNET_GIVEAWAYS
September 19, 2022 at 1:22 am
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Scientific Thinking 101
September 19, 2022 at 1:18 am
that’s brilliant! good work men! 🙂
Send a Text on Telegram👉 @CNET_GIVEAWAYS
September 19, 2022 at 1:22 am
Sénd Sugge’stions in, Private message,,
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Telegram:@CNET_GIVEAWAYS
September 19, 2022 at 1:22 am
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Paul Swart
September 19, 2022 at 3:28 am
Great story on the wave energy system. Wishing them well. Years ago I designed a system that could be integrated into this unit and would be significantly more efficient. I may contact them and detail the design (I seek no compensation whatsoever). Who knows what could come of this. Do you have any contact info for the people involved.
Thor
September 19, 2022 at 11:46 am
Wave Swell Energy
Randy Dutton
September 19, 2022 at 3:52 am
How much concrete did that take? Every ton of cement releases two tons of CO2.
dave fenna
September 19, 2022 at 6:26 am
On the illustration one turbine was driven by air flow in one direction, could a 2nd be driven by the up force is it because at would be too corrosive due to the salt spray ?
Guy
September 19, 2022 at 2:55 pm
I was wondering the same thing. Surely measures could be put in place to avoid any corrosive effects or perhaps a longer pipe to stop seawater getting to anything important
Eliot
September 19, 2022 at 7:42 am
At no point did they actually say how much energy it can produce. Efficiencies are great and all, but if it can only make 100 watts then it’s irrelevant. How is output compared to solar and wind? How much power do you get per dollar of construction and installation costs?
Buzz Baldwin
September 19, 2022 at 12:15 pm
They seemed to be very careful NOT to mention the amount of energy produced over the course of that yearlong test. Even the “efficiency” figure is suspect because the CEO said it depends on how you calculate that efficiency. That raises a red flag in my mind.
freethinker1
September 19, 2022 at 9:15 am
Frankly i think this is a little amusing distraction from nuclear energy.
OoieGooie
September 19, 2022 at 9:33 am
I think it is the Japanese that are running tests with underwater currents. This is great stuff.
אריק
September 19, 2022 at 9:36 am
All fine and good but the oil companies will be sure to foment complaints about the unit just as they have for wind and solar. They won’t be happy until they are the last humans left on an environmentally wasted world.
dhirender sahani
September 19, 2022 at 9:53 am
Wow what a futuristic technology 👏
vamosapique
September 19, 2022 at 10:11 am
Efficiency? That’s the only figure? Power, running hours, MTBM, single direction or double turbine?
John Fitzgerald
September 19, 2022 at 10:29 am
What the H is that thing at time stamp 1:26?
Walter White
September 19, 2022 at 11:52 am
GO AUSTRALIA 🇦🇺
Diane Merriam
September 19, 2022 at 1:42 pm
What is the cost per MWh?
Mike G
September 19, 2022 at 2:13 pm
The metric I want to know is the cost of electricity (LCOE) it can achieve and how it stacks up with more conventional forms of electricity generation.
VirtualVisitor999
September 19, 2022 at 2:14 pm
Cant understand your CEO
My Travel Negotium
September 19, 2022 at 2:24 pm
Amazing what technology can achieve.
Valued Customer
September 19, 2022 at 2:55 pm
Daddy like!
Brad Good
September 19, 2022 at 4:49 pm
What is important is the “levelized cost of energy.” How much does it cost to produce 1 Kw over a period of time … taking all costs into consideration. For example, wind has a levelized cost of energy of 2-3 cents. This is excellent. Hydroelectric is good, PV is much higher. Doing a report on an energy source without mentioning this metric is negligent.
psycleen
September 19, 2022 at 5:54 pm
wave of the future
Ian Morrison
September 19, 2022 at 6:45 pm
Brilliant. Hopefully financially feasible.
William Conley
September 19, 2022 at 7:01 pm
200KW. 20 houses worth. $12.3M. Of course if all new seawalls were built with this integrated, that could be very useful.
M C
September 19, 2022 at 7:42 pm
nice. dual purpose of protection and providing energy.
Zilch
September 20, 2022 at 8:34 am
Efficiency is a useless metric without comparison. A watt per m3 footprint or watt per hour/day/year would be better.
Be better
Billion Dollar Tech
September 20, 2022 at 11:12 am
This is a super cool piece of technology- I’m intrigued to see if machines like this become more common across the world. What areas should they target first?
Mark Hickman
September 20, 2022 at 12:27 pm
This has been my favorite implementation of wave energy conversion technology. I am happy to see the pilot perform so well.
Ronit Muduli
September 20, 2022 at 1:29 pm
Are there any academic research papers published regarding UniWave?
And is the company planning for off shore floating oscillating water column wave energy devices?
Kasallamacher
September 20, 2022 at 9:16 pm
they’re not doing floating devices as they are less efficient
John Kelly
September 20, 2022 at 2:04 pm
Very interesting
forresta65
September 20, 2022 at 2:40 pm
why
Pat W
September 20, 2022 at 2:51 pm
A couple of questions.
1. How much energy does the blowhole produce on average?
2. How much energy does it produce on a calm day?
3. If the environmental impact of one unit is minor, what is the impact if 10 or 100 units are required?
4. The blowhole only appears to generate power when the water level is dropping? How does this system ensure the consumer has constant power?
Just Pete
September 20, 2022 at 4:33 pm
Great update on artificial blow holes by Jessie Orrall!!!
🥸🥸🥸🥸🥸🥸🥸🥸🥸🥸🥸🥸
superczech69
September 20, 2022 at 6:22 pm
LOVE LOVE LOVE new ideas to generate electricity.
asifjavedcloud
September 21, 2022 at 7:48 am
Design it to look like a nice shiny white boat and it won’t be an eye sore, put some solar panels on top of it ..
Arthur Mary
September 21, 2022 at 12:03 pm
Like it.
Jean Pierre Sant
September 21, 2022 at 4:43 pm
This device could generate double the energy from each wave if it has two turbines facing the opposite direction. One will spin during wave fill, one will spin during suction.
Chris Methot
September 21, 2022 at 4:44 pm
I think they need to incorporate a diverted flapper valve in front of the turbine so it gets thrust on both the in and out surges.
DSAK55
September 21, 2022 at 6:33 pm
Efficiency means noting when the input energy is free
Phillip B
September 21, 2022 at 6:58 pm
Why can’t you generate electricity both when air is going out and where air is going in? Now it looks like it’s only generated when air is going in.
John Johnston
September 21, 2022 at 8:29 pm
If the input energy is free, what does the efficiency matter, except in determining the cost per unit of energy produced?
John Miranda
September 22, 2022 at 12:19 am
How many years will it take for this unit to be in widespread use?
Could it be used to provide fresh drinking water to the mainland?