Load | California ISO

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Learn more below about the part load serving entities, utility distribution companies, and demand response providers play in the ISO operations.</p> </div> </div> <div class="row " > <div class="col-md-4"id=""> <a data-block-type="card" href="https://www.caiso.com/generation-transmission/load/load-serving-entities" class="card "> <img src="https://www.caiso.com/content/images/cards/transsubstation-loadservingentity.jpg" class="card-img-top" style="margin: 0px auto; max-width:100%" alt="Transsubstation loadservingentity" /> <div class="card-body "> <div class="card-title " >Load serving entity</div> <div class="card-text"><p>Load serving entities are required to procure additional energy, referred to as “reserve margin,” above their demand. Through a scheduling coordinator, load serving entities can participate in the market, like all participants in the ISO markets.</p></div> <ul class="doc-list"> </ul> </div> </a> </div> <div class="col-md-4"id=""> <a data-block-type="card" href="https://www.caiso.com/generation-transmission/load/utility-distribution-company" class="card "> <img src="https://www.caiso.com/content/images/cards/distribution-utilitydistributionco.jpg" class="card-img-top" style="margin: 0px auto; max-width:100%" alt="Distribution utilitydistributionco" /> <div class="card-body "> <div class="card-title " >Utility distribution company</div> <div class="card-text"><p>Entities that own a distribution system for the delivery of energy to and from the California ISO balancing authority area , and provide regulated retail electric service to eligible customers, play key roles in how the ISO manages energy schedules.</p></div> <ul class="doc-list"> </ul> </div> </a> </div> <div class="col-md-4"id=""> <a data-block-type="card" href="https://www.caiso.com/generation-transmission/load/demand-response" class="card "> <img src="https://www.caiso.com/content/images/cards/solarrooftopcity-demandresponse.jpg" class="card-img-top" style="margin: 0px auto; max-width:100%" alt="Solarrooftopcity demandresponse" /> <div class="card-body "> <div class="card-title " >Demand response</div> <div class="card-text"><p>Demand response providers with the ability to aggregate customers capable of reducing their load can participate in the ISO day-ahead, real-time and ancillary services markets. Demand side resources can offer bids that reflect their flexibility to adjust their load in response to market schedules and dispatches.</p></div> <ul class="doc-list"> </ul> </div> </a> </div> </div> </div> </div> </div> </main> <footer id="footer"> <div class="fat-footer"> <div class="container"> <div class="row"> <div class="col-lg-5"> <h5>California ISO</h5> <ul class="row"> <li class="col-md-4 col-lg-6"> <a href="/about">About</a> </li> <li class="col-md-4 col-lg-6"> <a href="/emergency-notifications">Emergency notifications</a> </li> <li class="col-md-4 col-lg-6"> <a href="/about/news">Newsroom</a> </li> <li class="col-md-4 col-lg-6"> <a href="/legal-regulatory/business-practice-manuals">Business Practice Manuals</a> </li> <li class="col-md-4 col-lg-6"> <a href="/about/governance-committees">Governance and committees</a> </li> <li class="col-md-4 col-lg-6"> <a href="/legal-regulatory/tariff">Tariff</a> </li> <li class="col-md-4 col-lg-6"> <a href="/about/careers">Careers</a> </li> </ul> </div> <div class="col-md-8 col-lg-5"> <h5>Related websites</h5> <ul class="row"> <li class="col-md-6"> <a href="http://oasis.caiso.com/">OASIS</a> </li> <li class="col-md-6"> <a href="https://portal.caiso.com/">Market Participant Portal</a> </li> <li class="col-md-6"> <a href="https://www.westerneim.com/">Western Energy Markets</a> </li> <li class="col-md-6"> <a href="https://weim.caiso.com/">WEIM Portal</a> </li> <li class="col-md-6"> <a href="https://rc.caiso.com/">RC Portal</a> </li> </ul> </div> <div class="col-md-4 col-lg-2"> <h5>Support</h5> <ul class="row"> <li class="col-12"> <a href="/about/contact">Contact us</a> </li> <li class="col-12"> <a href="/stakeholder/training">Training center</a> </li> <li class="col-12"> <a href="https://developer.caiso.com/">Developer Portal</a> </li> </ul> </div> </div> </div> </div> <div class="bottom-footer"> <div class="container"> <div class="row"> <div class="col-md-12"> <div class="row notifications"> <div class="col-md-3"> <div class="iso-today"> <a href="/iso-today">ISO Today</a> <span class="desc">Free mobile app to monitor grid conditions, receive alerts and track calendar events.</span> </div> </div> <div class="col-md-3"> <div class="daily-briefing"> <a href="/daily-briefing">Daily Briefing</a> <span class="desc">Daily email summarizing the day's notices.</span> </div> </div> <div class="col-md-3"> <div class="news"> <a href="/about/news/news-releases">News releases</a> <span class="desc">Email with the latest Board of Governors decisions and breaking developments.</span> </div> </div> <div class="col-md-3"> <div class="flex-alert"> <a href="https://www.flexalert.org/">Flex Alert</a> <span class="desc">A call for consumers to voluntarily conserve electricity when there is a predicted shortage of energy supply.</span> </div> </div> </div> </div> <div class="col-md-12 text-center"> <div class="social-container"> <h5>Follow Us</h5> <ul class="social"> <li class="twitter"><a href="https://www.twitter.com/California_ISO/">Twitter</a></li> <li class="facebook"><a href="https://www.facebook.com/CaliforniaISO/">Facebook</a></li> <li class="youtube"><a href="https://www.youtube.com/CaliforniaISOFolsomCA">YouTube</a></li> </ul> <a href="/subscriptions" class="btn btn-xs btn-outline-gray mt-2 mt-md-0">Subscriptions</a> </div> </div> </div> <div class="row basement"> <div class="col-12"> <p class="copyright">Copyright © 2024 California Independent System Operator. 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Load | California ISO