All_Tech_Jobs t1_jad28ay wrote on February 28, 2023 at 3:51 PM

Reply to comment by SunnyGrassBeachRelax in Britain breaks 'green grid' record with latest 100 per cent clean power milestone by Wagamaga

Price offsets are not instantaneous. These deployments have to pay themselves off and that will take decades.

UsecMyNuts t1_jad8kas wrote on February 28, 2023 at 4:33 PM

>these deployments have to pay themselves off

So far all of them are paid off or will be by 2024. The companies who are managing them are only selling the energy to consumers. not using it to offset prices or recoup costs

upvotesthenrages t1_jadlfn1 wrote on February 28, 2023 at 5:54 PM

Windmills only last 2 decades before they need replacement. Parts are replaced after 8 & 12 years, then the entire thing is decommissioned after 16-20 years.

Their ROI is not decades, that wouldn't make sense.

Biomass, the 2nd largest source of "green" energy in the UK is practically fossil fuel light. It requires the import of brand new trees from Canada to keep it running.

All_Tech_Jobs t1_jae3t83 wrote on February 28, 2023 at 7:50 PM

As with anything as more efficiencies are included in the manufacturing/supplier process the price will go down. But that happens incrementally per deployment.

As parts are replaced the overall costs become cheaper and when a new windmill has to be deployed that becomes cheaper but as even you say that's 20 years.

Wind power from what I've read has a very low ROI. One figure I saw was 4%. The article then says the windmill would have to be in service for 22 years to make that money back. And 8% was considered the barometer.of whether a product was worth investing in.

So how much do you gain? If you hard cut at 20 years you're not making your break even. At that point you're relying on the manufacturing efficiencies to be cost feasible for each deployment which does not happen overnight when you consider the entire supply chain.

This same exact thing happened with solar panels. Very high cost for those initial end users who had to wait much longer to see any ROI versus those now getting into. A better manufacturing and supply chain process means less cost means faster ROI to the end user.