Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Bill Sloman Newsgroups: sci.electronics.design Subject: Re: The Physics Behind the Spanish Blackout Date: Wed, 11 Jun 2025 02:29:47 +1000 Organization: A noiseless patient Spider Lines: 88 Message-ID: <1029mhu$1c4kc$2@dont-email.me> References: <6846feef$10$17$882e4bbb@reader.netnews.com> <224e4kttj3mb97s890qqida861il5sf91p@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Tue, 10 Jun 2025 18:29:50 +0200 (CEST) Injection-Info: dont-email.me; posting-host="34645dec4590aa0ca78c0dbc763a6292"; logging-data="1446540"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+6w4ZnemYd98RwpjgW/2lrMUZaywoEbR8=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:JD8pXWBRxt9RfzRga/NrqiCTZFA= Content-Language: en-US X-Antivirus-Status: Clean In-Reply-To: X-Antivirus: Norton (VPS 250610-6, 10/6/2025), Outbound message On 11/06/2025 12:55 am, john larkin wrote: > On Mon, 09 Jun 2025 16:02:19 -0400, Joe Gwinn > wrote: > >> On Mon, 09 Jun 2025 09:49:24 -0700, john larkin >> wrote: >> >>> On Mon, 9 Jun 2025 11:34:08 -0400, bitrex wrote: >>> >>>> On 6/9/2025 10:14 AM, Joe Gwinn wrote: >>>>> On Sun, 08 Jun 2025 17:16:09 -0700, john larkin >>>>> wrote: >>>>> >>>>>> On Sun, 08 Jun 2025 19:15:57 -0400, Joe Gwinn >>>>>> wrote: >>>>>> >>>>>>> >>>>>>> The Physics Behind the Spanish Blackout, Bjorn Lomborg, Wall Street >>>>>>> Journal, 3 June 2025 issue, page A13. >>>>>>> >>>>>>> >>>>>>> >>>>>>> Here is a gift link. No paywall, but they will insist on trying to >>>>>>> persuade you to subscribe. >>>>>>> >>>>>>> . >>>>>>> >>>>>>> Joe >>>>>> >>>>>> What's net zero is the line voltage. The issue is partly spinning >>>>>> mass, but more important is gross gigawatts available on bad >>>>>> afternoons. >>>>>> >>>>>> Another time bomb is that (cheap) solar panels and inverters and >>>>>> batteries don't last as long as is assumed in payback calculations. In >>>>>> 10 or 15 years there will be an enormous disposal problem. And lots of >>>>>> leaky roofs. >>>>> >>>>> Yep. And given the likely end of the mandates and subsidies, >>>>> replacement may prove expensive, making the business case less >>>>> attractive. >>>>> >>>>> Joe >>>> >>>> I remember not too long ago when the climate-change deniers were >>>> claiming renewables could never be a significant part of a country's >>>> energy profile but I guess when they find out Spain was running 73% one >>>> afternoon they have to change their argument, lol. >>>> >>>> Just goalpost-shifting forever. >>>> >>>> Better question is will the fission nuclear industry ever give up trying >>>> to push their obsolete pointless technology that has been nothing but >>>> broken promises for 75 years. It's over give up, already. >>> >>> France will happily sell power to Germany and Spain for maybe 50 cents >>> per KWH, or whatever that is in euros. >> >> Heh. >> >> I should add that the WSJ is focused on purely financial issues, >> specifically where to invest, covering both equities (which stocks to >> buy, which to sell) and municipal bonds (loans made to governments to >> purchase such thing as bridges, roads, and power plants or >> facilities). >> >> The Financial world does not care about technical details per se, they >> care that the loans will be repaid. Muni Bond Analysts consider the >> engineering as a way to assess the likely scale and practicality. >> Whereupon they encounter the big calculator issue - is the entity >> large enough to be plausible to accomplish what they claim? >> >> I learned about the financial world by marrying into it - my wife was >> a Muni bond portfolio manager. I read some of her tutorials, and was >> stunned to learn that while the stock market got all the news media >> attention, the Muni market was in fact ten times larger. >> >> Joe > > Some people enjoy working with money. There are even people who like > being accountants. Electronics is much more fun to me. Think how much more fun you could have if you actually understood what you were doing. -- Bil Sloman, Sydney