I didn’t scroll far enough on my phone. In the spring, when most occurs, it’s mostly “Economic”, either local or systemwide.
- Mark Sent from my Fuel Cell powered iPhone > On Sep 1, 2021, at 4:56 PM, Mark Abramowitz <[email protected]> wrote: > I would check either an annual report, or a report from the spring, when > most of the curtailments occur. I don’t know the details… > > - Mark > > Sent from my Fuel Cell powered iPhone > >> On Sep 1, 2021, at 3:40 PM, Haudy Kazemi via EV <[email protected]> wrote: >> >> Here is the daily CAISO report. >> >> http://www.caiso.com/PublishedDocuments/WindSolarCurtailmentReport.pdf >> >> It shows that the vast majority of curtailment events is due to local >> system congestion, and not because of demand. >> >> I expect that remotely-positioned MW-scale solar farms are much more >> susceptible to congestion issues than rooftop solar. I'm also not sure that >> rooftop-scale solar supports curtailment. >> >> On-site production allows for on-site self consumption, without tieing up a >> capacity on the local/regional grid. On-site production with storage >> further increases the time period where a site can operate without >> depending on the local/regional grid. >> >> Energy storage at the production sites would improve the match between >> production supply and transmission capacity. >> >> Energy storage near customers would improve the match between distribution >> capacity and customer demand. >> >> >> >>> On Wed, Sep 1, 2021, 12:41 Mark Abramowitz via EV <[email protected]> wrote: >>> Southern California commonly sends its excess to Arizona - sometimes we >>> have to pay them to take it. Every year we curtail lots of renewables. >>> CaISO tracks how much. >>> - Mark >>> Sent from my Fuel Cell powered iPhone >>>> On Sep 1, 2021, at 10:15 AM, Jan Steinman via EV <[email protected]> >>> wrote: >>>> >>>>> From: "Peri Hartman" <[email protected] <mailto:[email protected]>> >>>>> If, for example, southern cali has excess >>>>> PV generation, it will need to ship that energy somewhere pretty far >>>>> away, say oregon or washington. That would require a pretty substantial >>>>> transmission line. I don't think the existing lines are sufficient. >>>> The Pacific Intertie is a 600,000 volt DC line that stretches from >>> Washingon to SoCal. I think it can handle enough power for a minor city. >>>> Jan >>>> -------------- next part -------------- >>>> An HTML attachment was scrubbed... >>>> URL: < >>> http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210901/4bbebd8d/attachment.html >>>> _______________________________________________ >>>> Address messages to [email protected] >>>> No other addresses in TO and CC fields >>>> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >>>> ARCHIVE: http://www.evdl.org/archive/ >>>> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >>> _______________________________________________ >>> Address messages to [email protected] >>> No other addresses in TO and CC fields >>> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >>> ARCHIVE: http://www.evdl.org/archive/ >>> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210901/107361e8/attachment.html> >> _______________________________________________ >> Address messages to [email protected] >> No other addresses in TO and CC fields >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive/ >> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org _______________________________________________ Address messages to [email protected] No other addresses in TO and CC fields UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
