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by Retric 662 days ago
> All costs are reported here in 2018 USD terms.

So even further out of date.

> O&M is often quoted as 4x fuel costs The data in the IEA report differs; it is somewhere between the fuel costs and twice the fuel costs.

Operations & Maintenance must include fuel costs… They are doing the thing where they break actual costs into several buckets to make actual operational costs seem lower. Refurbishment isn’t maintenance yadda yadda.

Same deal is going on with insurance. That 1.1 M / year covers some nuclear accidents, but the self insurance risk is quite significant even if you exclude the risk subsidy assumed by governments. IE: In the event of a large scale disaster insurance doesn’t make the reactor owner whole meaning their out the value of 1 or more nuclear reactors.

So yea 1.1M / year only works out to 0.01c/kWh but that’s an underestimate.

> Rooftop solar will cannibalise the utility solar's daytime market. The demand for utility solar's energy will for the most part occur when the sun does not shine.

Even assuming vastly more rooftop solar… PV panels produce power on a long tail curve not just at peak hours. Rooftop solar however only supplies the grid with power after the houses needs are met which is a significantly narrower area.

1 comments

> So even further out of date.

Do you have references for how much a solar plant costs to build and maintain? A breakdown of costs would be good.

> Operations & Maintenance must include fuel costs…

I presume this was done to make section 5.4 "Fuel cost sensitivity" easy.

> Rooftop solar however only supplies the grid with power after the houses needs are met which is a significantly narrower area.

What about if people are over-specifying their solar PV system to make use of net-energy-metering (or high feed in tariffs) to reduce their annual bill (for instance in California)?

> What about if people are over-specifying their solar PV system to make use of net-energy-metering (or high feed in tariffs) to reduce their annual bill (for instance in California)?

Don’t just think about what happens when these systems are at 100% output. At 5% output that home is sucking power from the grid while the solar far is providing the grid with power. Which means even if every home and business adds panels a solar farm will still supply some electricity directly.