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Después de varios años dedicados a la energía eólica, hoy en día me dedico a la consultoría y a escribir sobre la energía fotovoltaica.","2019-12-10T12:14:56.000000Z","2019-12-10T12:28:57.000000Z",{"x1":607,"x2":608,"webpX1":609,"webpX2":610},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fauthors\u002F1.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fauthors\u002F1@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fauthors\u002F1.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fauthors\u002F1@2x.webp",{"nodes":612,"issues":948,"unsupportedTags":949,"tagCounts":950,"hasCalculator":590,"hasFilloutEmbed":590},[613],{"type":614,"tag":615,"attrs":616,"children":617},"element","div",{},[618,625,627,634,636,707,708,724,725,730,731,737,738,743,744,749,750,763,764,770,771,776,777,782,783,788,789,795,796,826,827,848,849,861,862,868,869,874,875,880,881,893,894,900,901,908,913,914,920,925,926,932,937,938,947],{"type":614,"tag":619,"attrs":620,"children":621},"p",{},[622],{"type":623,"value":624},"text","Una tarifa indexada vincula parte del precio de la electricidad a una referencia que cambia. Puede ser interesante con autoconsumo si puedes adaptar la demanda, pero también traslada variaciones de precio. Para elegir, compara la factura que produciría tu consumo real, no solo una hora barata ni el precio anunciado por los excedentes.",{"type":623,"value":626},"\n\n",{"type":614,"tag":628,"attrs":629,"children":631},"h2",{"id":630},"fijo-indexado-pvpc",[632],{"type":623,"value":633},"Precio fijo, indexado y PVPC",{"type":623,"value":635},"\n",{"type":614,"tag":637,"attrs":638,"children":639},"table",{"class":637},[640,659],{"type":614,"tag":641,"attrs":642,"children":643},"thead",{},[644],{"type":614,"tag":645,"attrs":646,"children":647},"tr",{},[648,654],{"type":614,"tag":649,"attrs":650,"children":651},"th",{},[652],{"type":623,"value":653},"Contrato",{"type":614,"tag":649,"attrs":655,"children":656},{},[657],{"type":623,"value":658},"Qué debes comprobar",{"type":614,"tag":660,"attrs":661,"children":662},"tbody",{},[663,664,678,679,692,693,706],{"type":623,"value":635},{"type":614,"tag":645,"attrs":665,"children":666},{},[667,673],{"type":614,"tag":668,"attrs":669,"children":670},"td",{},[671],{"type":623,"value":672},"Precio fijo del mercado libre",{"type":614,"tag":668,"attrs":674,"children":675},{},[676],{"type":623,"value":677},"Precios pactados, duración, periodos, revisión y conceptos que pueden variar.",{"type":623,"value":635},{"type":614,"tag":645,"attrs":680,"children":681},{},[682,687],{"type":614,"tag":668,"attrs":683,"children":684},{},[685],{"type":623,"value":686},"Precio indexado del mercado libre",{"type":614,"tag":668,"attrs":688,"children":689},{},[690],{"type":623,"value":691},"Índice de referencia, fórmula, costes añadidos, margen o cuota y frecuencia de liquidación.",{"type":623,"value":635},{"type":614,"tag":645,"attrs":694,"children":695},{},[696,701],{"type":614,"tag":668,"attrs":697,"children":698},{},[699],{"type":623,"value":700},"PVPC regulado",{"type":614,"tag":668,"attrs":702,"children":703},{},[704],{"type":623,"value":705},"Elegibilidad, metodología regulada y comercializadora de referencia.",{"type":623,"value":635},{"type":623,"value":635},{"type":614,"tag":619,"attrs":709,"children":710},{},[711,713,722],{"type":623,"value":712},"PVPC no es sinónimo de comprar toda la energía al precio diario de OMIE. Su metodología incorpora referencias de mercados a plazo. La reforma prevé una ponderación del 55 % para la referencia a plazo en 2026 dentro de la fórmula correspondiente; no significa que el 55 % de toda la factura doméstica sea fijo. Lo explica ",{"type":614,"tag":714,"attrs":715,"children":719},"a",{"href":716,"target":717,"rel":718},"https:\u002F\u002Fwww.miteco.gob.es\u002Fcontent\u002Fdam\u002Fmiteco\u002Fes\u002Fprensa\u002F23_12_29_NdP_Entra_en_vigor_la_nueva_metodolog%C3%ADa_de_c%C3%A1lculo_de_la.pdf","_blank","noopener noreferrer",[720],{"type":623,"value":721},"MITECO al describir la metodología del PVPC",{"type":623,"value":723},".",{"type":623,"value":635},{"type":614,"tag":619,"attrs":726,"children":727},{},[728],{"type":623,"value":729},"Una oferta indexada libre puede utilizar otra referencia y añadir costes de otra manera. Pide la fórmula por escrito y un ejemplo de factura; el nombre comercial no basta para identificar el riesgo.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":732,"children":734},{"id":733},"perfil-solar",[735],{"type":623,"value":736},"Con placas, importa cuándo sigues comprando",{"type":623,"value":635},{"type":614,"tag":619,"attrs":739,"children":740},{},[741],{"type":623,"value":742},"La producción solar suele cubrir una parte de la demanda durante el día. La electricidad que continúas comprando puede concentrarse en otros periodos. Por eso la media del mercado o el precio medio de un consumidor sin placas puede representar mal tu factura.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":745,"children":746},{},[747],{"type":623,"value":748},"Utiliza la curva de importación después del autoconsumo, junto con los excedentes registrados. Si todavía no tienes placas, pide una simulación conjunta de generación y consumo. No calcules el contrato multiplicando todo el consumo previo a la instalación por una media anual.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":751,"children":752},{},[753,755,761],{"type":623,"value":754},"El ",{"type":614,"tag":756,"attrs":757,"children":758},"nuxt-link",{"to":283},[759],{"type":623,"value":760},"estudio de consumo",{"type":623,"value":762}," también permite separar lo que puedes desplazar —por ejemplo, una carga programable— de lo que necesita un horario concreto.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":765,"children":767},{"id":766},"ejemplo-horarios",[768],{"type":623,"value":769},"Un ejemplo de desplazamiento de consumo",{"type":623,"value":635},{"type":614,"tag":619,"attrs":772,"children":773},{},[774],{"type":623,"value":775},"Supongamos que puedes trasladar 4 kWh de consumo de un periodo de 0,24 €\u002FkWh a otro de 0,12 €\u002FkWh. Si ambos valores representan el coste variable que realmente pagarías, el ahorro sería 4 × (0,24 − 0,12) = 0,48 € para ese uso. Son precios inventados para explicar el método, no una oferta ni una previsión.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":778,"children":779},{},[780],{"type":623,"value":781},"El ejemplo describe desplazar un consumo directamente. Si interpones una batería, debes añadir pérdidas, desgaste y límites de operación. Si en el horario alternativo ibas a usar tu propia producción, compara también el valor del excedente que dejarías de compensar.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":784,"children":785},{},[786],{"type":623,"value":787},"Una automatización útil necesita el precio final relevante y las restricciones del hogar. No programes equipos esenciales solo por un titular sobre el mercado mayorista.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":790,"children":792},{"id":791},"comparar-ofertas",[793],{"type":623,"value":794},"La comparación debe incluir toda la oferta",{"type":623,"value":635},{"type":614,"tag":797,"attrs":798,"children":799},"ul",{},[800,806,811,816,821],{"type":614,"tag":801,"attrs":802,"children":803},"li",{},[804],{"type":623,"value":805},"Fórmula y precios de la energía comprada, con sus costes adicionales.",{"type":614,"tag":801,"attrs":807,"children":808},{},[809],{"type":623,"value":810},"Términos de potencia y cuotas de gestión o mantenimiento.",{"type":614,"tag":801,"attrs":812,"children":813},{},[814],{"type":623,"value":815},"Valoración de excedentes y condiciones de una eventual batería virtual.",{"type":614,"tag":801,"attrs":817,"children":818},{},[819],{"type":623,"value":820},"Permanencia, revisiones, penalizaciones y servicios contratados aparte.",{"type":614,"tag":801,"attrs":822,"children":823},{},[824],{"type":623,"value":825},"Tratamiento de impuestos y ámbito territorial del suministro.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":828,"children":829},{},[830,832,838,840,846],{"type":623,"value":831},"La ",{"type":614,"tag":714,"attrs":833,"children":835},{"href":834,"target":717,"rel":718},"https:\u002F\u002Fblog.cnmc.es\u002F2022\u002F03\u002F02\u002Fguia-para-la-proteccion-de-los-consumidores-de-electricidad-y-gas\u002F",[836],{"type":623,"value":837},"guía de transparencia de la CNMC",{"type":623,"value":839}," ayuda a exigir información comparable. Utiliza también su ",{"type":614,"tag":714,"attrs":841,"children":843},{"href":842,"target":717,"rel":718},"https:\u002F\u002Fcomparador.cnmc.gob.es\u002F",[844],{"type":623,"value":845},"comparador oficial de ofertas",{"type":623,"value":847}," con tus datos y revisa las condiciones completas antes de contratar.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":850,"children":851},{},[852,854,859],{"type":623,"value":853},"Un precio de excedentes alto puede compensar mal una energía comprada cara o una cuota elevada. Además, el ",{"type":614,"tag":756,"attrs":855,"children":856},{"to":205},[857],{"type":623,"value":858},"límite de compensación simplificada",{"type":623,"value":860}," puede impedir aprovechar todo el valor teórico de lo vertido.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":863,"children":865},{"id":864},"riesgos",[866],{"type":623,"value":867},"Qué riesgos conviene aceptar conscientemente",{"type":623,"value":635},{"type":614,"tag":619,"attrs":870,"children":871},{},[872],{"type":623,"value":873},"Una tarifa variable puede tener periodos caros, y el resultado pasado no garantiza el siguiente año. Compara escenarios de consumo y precios, y calcula qué subida podrías asumir sin dificultad. No confundas flexibilidad horaria con capacidad ilimitada para evitar cualquier encarecimiento.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":876,"children":877},{},[878],{"type":623,"value":879},"Comprueba también tus requisitos si recibes una protección o beneficio ligado al tipo de contrato, como el bono social. Antes de pasar del suministro regulado al libre, confirma las consecuencias con una fuente oficial; no lo decidas únicamente por una promoción.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":882,"children":883},{},[884,886,891],{"type":623,"value":885},"Los ",{"type":614,"tag":756,"attrs":887,"children":888},{"to":238},[889],{"type":623,"value":890},"precios negativos del mercado",{"type":623,"value":892}," tampoco garantizan electricidad gratuita. Su efecto depende de la fórmula y de los demás conceptos que se facturan.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":895,"children":897},{"id":896},"preguntas-frecuentes",[898],{"type":623,"value":899},"Preguntas frecuentes",{"type":623,"value":635},{"type":614,"tag":902,"attrs":903,"children":905},"h3",{"id":904},"siempre-barata",[906],{"type":623,"value":907},"¿La tarifa indexada siempre sale más barata?",{"type":614,"tag":619,"attrs":909,"children":910},{},[911],{"type":623,"value":912},"No. Depende del mercado, de la fórmula, de las cuotas y de cuándo consumes. Compara el coste completo bajo varias hipótesis.",{"type":623,"value":635},{"type":614,"tag":902,"attrs":915,"children":917},{"id":916},"bateria-necesaria",[918],{"type":623,"value":919},"¿Necesito batería para usar una tarifa indexada?",{"type":614,"tag":619,"attrs":921,"children":922},{},[923],{"type":623,"value":924},"No. Puedes adaptar algunos consumos directamente. Comprar almacenamiento requiere un cálculo adicional de inversión, pérdidas y aprovechamiento.",{"type":623,"value":635},{"type":614,"tag":902,"attrs":927,"children":929},{"id":928},"solo-excedentes",[930],{"type":623,"value":931},"¿Elijo la oferta que mejor paga los excedentes?",{"type":614,"tag":619,"attrs":933,"children":934},{},[935],{"type":623,"value":936},"Solo si también resulta adecuada al sumar compra de energía, potencia, cuotas y condiciones. El precio de exportación aislado no decide la factura.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":939,"children":940},{},[941],{"type":614,"tag":942,"attrs":943,"children":944},"small",{},[945],{"type":623,"value":946},"Fuentes revisadas el 7 de septiembre de 2026. Los ejemplos no representan precios actuales ni recomendaciones de una comercializadora.",{"type":623,"value":635},[],[],{"div":585,"p":951,"h2":952,"table":585,"thead":585,"tr":953,"th":954,"tbody":585,"td":952,"a":955,"nuxt-link":955,"ul":585,"li":598,"h3":955,"small":585},18,6,4,2,3,[957,966,975,984],{"id":958,"name":219,"slug":959,"uri":220,"shortDescription":960,"readingTime":598,"image":961},120,"baterias-sin-placas-solares","El cálculo de almacenamiento sin fotovoltaica: coste de carga, compras evitadas, rendimiento, desgaste y valor separado del respaldo.",{"x1":962,"x2":963,"webpX1":964,"webpX2":965},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F120.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F120@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F120.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F120@2x.webp",{"id":967,"name":237,"slug":968,"uri":238,"shortDescription":969,"readingTime":598,"image":970},119,"precios-negativos-electricidad-autoconsumo","Diferencias entre mercado mayorista, precio final y excedentes. Cómo interpretar precios negativos sin confundirlos con electricidad gratuita.",{"x1":971,"x2":972,"webpX1":973,"webpX2":974},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F119.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F119@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F119.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F119@2x.webp",{"id":976,"name":204,"slug":977,"uri":205,"shortDescription":978,"readingTime":598,"image":979},113,"compensacion-excedentes","Cómo funciona la compensación simplificada, qué ocurre al superar el límite y qué comprobar en el contrato y la primera factura.",{"x1":980,"x2":981,"webpX1":982,"webpX2":983},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F113.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F113@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F113.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F113@2x.webp",{"id":985,"name":986,"slug":987,"uri":259,"shortDescription":988,"readingTime":989,"image":990},68,"Precio de la luz hoy","precio-de-la-luz-hoy","Consulta el precio vigente en las fuentes oficiales y aprende a distinguir PVPC, mercado mayorista y tarifas libres. La factura depende también de potencia, impuestos y servicios.",8,{"x1":991,"x2":992,"webpX1":993,"webpX2":994},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F68.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F68@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F68.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F68@2x.webp"]