India unveils world’s largest solar power plant

ToxicBunny

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And this Eskom is what is possible when you aren't completely incompetent.
 

konfab

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The facility in Kamuthi, Tamil Nadu, has a capacity of 648 megawatts and covers an area of 10 kilometres squares.
/snip

The project is comprised of 2.5 million individual solar modules, and cost approximately 679M USD to build.

So that is $1.04 USD per Watt.

“In my mind it would cost about $4,000 per installed kilowatt, based on electricity supply. If multiplied with 9,600 megawatts we get to R500 billion – that’s half of the price that is being thrown around.”
That is $4 USD per watt.

Is the $3 saving worth the hassle of not having reliable power? Current weather in Kamuthi, Tamil Nadu (as of 29 November 2016) has rain and partial clouds for the next 7 days.
Weather link

Which means the largest solar power plant isn't producing 648 MW of power. It would produce about 15% of installed capacity if they are lucky.
http://solargis.com/assets/publication/2014/Suri-et-al--SASEC2014--Cloud-cover-impact-on-PV-power-production-in-South-Africa.pdf

Which sets the effective cost of power at $6.9 USD per watt. Obviously this gets worse as you get more cloud cover.

TL;DR Solar power only makes sense if you install it in a place with no clouds.
 

system32

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Solar Sold in Chile at Lowest Ever, Half Price of Coal

The new plant has helped nudge India’s total installed solar capacity across the 10 GW mark, according to a statement by research firm ‘Bridge to India’, joining only a handful of countries which can make this claim.
Impressive - ZA only has about 40GW TOTAL capacity (all sources).

So that is $1.04 USD per Watt.
That is $4 USD per watt. <SNIP>
Which sets the effective cost of power at $6.9 USD per watt.<SNIP>
Not sure the lifespan of the project, but the cost needs to be measure in kW per hour.

New Low Solar Price Record Set In Chile — 2.91¢ (US) Per kWh!
https://cleantechnica.com/2016/08/18/new-low-solar-price-record-set-chile-2-91¢-per-kwh/

Solar Sold in Chile at Lowest Ever, Half Price of Coal
https://www.bloomberg.com/news/arti...e-for-cheapest-ever-at-half-the-price-of-coal
 
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medicnick83

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Guys should watch "Before The Flood" and you'll see why this is a great thing for India.
I speak under correction, but it's like 500mil people in India don't have electricity or access to it.
 

hawker

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So it is half the price, but only works less than half the time :crylaugh:

Eh at the current rate, if we don't do something about climate change we won't have a great environment to live in anymore.
 

system32

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So it is half the price, but only works less than half the time :crylaugh:
Ideal Location

The location for this particular power plant is also a factor, in northern Chile’s Atacama desert. It’s high in the Andes, close to the equator and is considered one of the sunniest and driest places on Earth. It’s ideal for solar energy, and will generate more electricity than projects in areas that get less sunshine.
ZA has good solar locations in the northern cape, karoo, ofs
 

konfab

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Guys should watch "Before The Flood" and you'll see why this is a great thing for India.
I speak under correction, but it's like 500mil people in India don't have electricity or access to it.
Is installing a system in an area that gets regular rain worth it though?

Eh at the current rate, if we don't do something about climate change we won't have a great environment to live in anymore.
So why not use a technology that doesn't produce greenhouse gas, but still produces power 24/7?
 

itareanlnotani

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Thing is about solar / wind, is that they start generating almost immediately, and start generation DURING build.
Try doing that in a Nuclear or Coal setup.

Total build times are also far less, and despite the complete BS i've seen claiming Nuclear builds being safer (really?, no construction deaths ever for Nuclear, Yeah right, pull the other one). , they're not nearly as safe as Solar or Wind.
Solar or Wind can be done in months (most of the install time is paperwork vs actual build).
Nuclear build times are in the *decades*, or *longer* if Eskom is doing it...
Coal is the same.


That 24/7 power is less important. Most power usage is daytime, not nighttime. Nighttime we have excess capacity. Daytime is the issue. The few hours post sunset can be catered with wind, or equally easily, by mandating solar geysers, and gas cooking. Heck price sensitivity is already driving that anyway. The other large albatross in the room is that we have existing coal we can have as backup when we replace with cheaper renewables. If its needed, start it up. Shorter term needs can be handled with natural gas.

Before I digress too far, lets head back to new builds. Build times are extremely important, especially in large scale projects where the financing costs are the majority of the upfront costs.
If you aren't generating, you aren't earning money. If you aren't earning money, you're adding interest costs, so the longer a project takes, the higher the cost.

This is one of the reasons why Medupi, and Kusile is so far over budget, the other being that the ANC wanted their kickbacks (proven without a shadow of a doubt in many many articles about Hitachi/ANC/Medupi). Majority of the money in large scale projects is financing costs/interest.
For Medupi, we started in 2007; we're almost hitting the 10 year mark, and it still not finished.
The original forecast of R80 billion for the build was estimated at R154 billion in 2015, and we have still to finish. Guesstimated end costs are closer to R300 billion, and that doesn't include running costs.

LCOE breakdowns here - http://www.fin24.com/Economy/Eskom/...ctricity-from-medupi-kusile-and-ipps-20160721

So far, Medupi, Kusile, and Ingula are over budget (by 100% - 300%). Those are going to cost Eskom and the taxpayer.
Thing is that production prices are dropping, and Eskom doesn't really have room to raise pricing.

Large businesses have already moved to self generation, smaller ones are jumping ship too.
Do we spend 20 years building a Nuclear plant we won't need, and no-one wants to pay for, as the ANC wants more corrupt kickbacks?
Or do we let the private sector provide for far less?

...and if storage is really such a necessity (and CSIR suggests that it isn't), then add a 10% storage requirement to generation, and let the private sector sort it out. They're quite good at making sure that costs are kept low and budgets on target.
Eskom and the government far less so.

Ultimately pricing is going to be the clear indicator (unless your politicians are on the take), and renewable generation is now far cheaper than anything else.
 
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Zarkon

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Nuclear build times are in the *decades*, or *longer* if Eskom is doing it...
Coal is the same.

we have existing coal we can have as backup when we replace with cheaper renewables. If its needed, start it up. Shorter term needs can be handled with natural gas

Agree,coal can be used as backup.

As for nuclear we are all against it because of the delays that will hemorrhage money for years, and you describe it with the current coal plant situation.

Even tho i'm very much against nuclear,i do believe one has to be very realistic for it as a option.

But not in this country with this government.

And even if it was a first world country,i would like to see them push wind and solar as far as they can,before any coal or nuclear plan.
 

mak2000

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Surely, a solar plant is cheaper to maintain than the wind energy farms. Also, solar plants are probably less erratic than wind farms. Is there any study on these factors comparing various energy sources and their pros & cons?
 
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