Compare the top energy tariffs providers in Portugal — see cover, features and typical rates side by side.
32 live offers compared from 11 providers, from €9 /mês. Updated daily.
€9 /mês
Com a Repsol, já está a poupar e ainda não sabe da Repsol Portugal (Tarifas Energéticas) em Energia. Oferta ao vivo monitorada diariamente pela Giraffy.
€9 /mês
Mais vantagens, sempre disponíveis para si da Repsol Portugal (Tarifas de Energia) em Energia. Oferta ao vivo monitorada diariamente pela Giraffy.
€9 /mês
9€ de desconto na garrafa de gás da Repsol Portugal (Tarifas Energéticas) em Energia. Oferta ao vivo monitorada diariamente pela Giraffy.
€23 /mês
Plano EDP Portugal da EDP Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€23 /mês
Adira à Oferta Jovem da EDP Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€30 /mês
Plano de saúde da EDP Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€30 /mês
Plano EDP Saúde da EDP Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€50 /mês
Um mundo de descontos da EDP Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€50 /mês
Oferta de 50€ da EDP Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€60 /mês
Energia Repsol para particulares da Repsol Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorizada diariamente pela Giraffy.
€60 /mês
Plano Repsol Portugal da Repsol Portugal (Tarifas de Energia) em Energia. Oferta em tempo real monitorada diariamente pela Giraffy.
€60 /mês
60€ para si, 30€ para o seu amigo da Repsol Portugal (Tarifas Energéticas) em Energia. Oferta ao vivo monitorada diariamente pela Giraffy.
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Energy tariffs are the pricing plans for household electricity and gas. Portugal has a liberalised energy market (mercado livre), so consumers choose their supplier and tariff rather than being tied to a single utility. Tariffs differ by the price per kilowatt-hour, the fixed daily standing charge (potencia contratada), and whether they are simple (single rate), bi-hourly or tri-hourly (cheaper at off-peak times). Dual-fuel plans bundle electricity and gas. Choosing the right tariff and contracted power level can meaningfully cut a household energy bill.
Since liberalisation, suppliers compete in the free market, while a regulated last-resort tariff (mercado regulado) remains available, with prices overseen by the regulator ERSE. Consumers can switch supplier freely and without cost, keeping the same physical grid connection operated by E-Redes. Suppliers offer fixed-price contracts, indexed tariffs linked to wholesale prices, and green-energy plans. Bills include energy, network access charges, and taxes including IVA (VAT) and an audiovisual contribution. Comparing the full price per kWh plus standing charge across suppliers is essential.
Free switching — change supplier at no cost while keeping the same grid connection and supply.
Time-of-use savings — bi-hourly and tri-hourly tariffs cut costs if you shift usage to off-peak.
Dual-fuel bundles — combine electricity and gas with one supplier for convenience and discounts.
Green options — many suppliers offer renewable-sourced electricity plans.
Compare the energy price per kWh and the standing charge for your contracted power (potencia), since a lower unit price can be offset by a higher fixed charge. Match the tariff type to your usage pattern — bi-hourly or tri-hourly rewards off-peak use such as running appliances at night. Check whether the price is fixed or indexed, contract length, and any exit conditions. Review your contracted power level, as over-specifying it raises the fixed cost. Consider dual-fuel and green plans.
EDP (Energias de Portugal), the former incumbent, is the largest supplier, with Galp Energia and Endesa Portugal among the main competitors offering electricity and gas. Iberdrola Portugal, Repsol Portugal, Goldenergy and Plenitude (Eni) compete on price and green plans, and retailer-backed Continente Energia offers tariffs with loyalty perks. Because suppliers price the same delivered energy differently, and switching is free, comparing the per-kWh rate and standing charge across these providers is the direct route to a cheaper bill.
Household energy costs depend on consumption, contracted power and tariff, with the brief indicating monthly figures spanning roughly €9 to €60 across plan types and usage levels. The bill combines the energy price per kWh, the fixed standing charge for your contracted power, network access charges, IVA (VAT) and the audiovisual contribution. Bi-hourly tariffs reward off-peak use, and right-sizing your contracted power reduces the fixed element. Compare the total estimated annual cost, not just the headline unit rate.
The energy market is regulated by ERSE (Entidade Reguladora dos Servicos Energeticos), which oversees network charges, the regulated last-resort tariff, and consumer rights. Suppliers must provide clear pre-contractual information and allow free switching. Vulnerable customers can access the social tariff (tarifa social) with discounted energy. Complaints can be made through the Livro de Reclamacoes and escalated to ERSE, and rules govern billing accuracy, disconnection protections and the right to change tariff or supplier without penalty in most cases.
Can I switch supplier freely? — Yes, switching is free and keeps your existing grid connection.
What is bi-hourly tariff? — A plan with cheaper off-peak rates, worthwhile if you shift usage to those hours.
What is contracted power? — The potencia level determining your fixed standing charge; right-sizing it saves money.
Is there help for low incomes? — Yes, the tarifa social provides discounted energy for eligible households.
The cheapest Energy Tariffs in Portugal is €9 /month from Repsol Portugal.
Giraffy tracks 5 energy tariffs across Repsol Portugal,EDP Portugal suppliers in Portugal. The lowest tracked tariff is €9 /month. Your actual bill depends on usage, property size, and tariff type — compare based on estimated annual cost for a typical household.
A fixed tariff locks your unit rate and standing charge for a set period (typically 12–24 months), protecting you from price rises. A variable tariff can go up or down with wholesale energy prices. Fixing is worth it when wholesale prices are expected to rise; staying variable is better when they're likely to fall.
The unit rate is what you pay per kWh of electricity or gas you actually use. The standing charge is a daily fee you pay regardless of usage — it covers the cost of maintaining your connection. Both figures appear on your bill and should be compared when switching suppliers.
A smart meter automatically sends your usage readings to your supplier, ending estimated bills. You don't need one to switch suppliers — your new supplier can read your old meter or you can submit manual readings. Smart meters are being rolled out across most markets; installation is free from your current supplier.
Switching is typically straightforward — you sign up with a new supplier and they handle the switch, including notifying your old supplier. In most markets, the switch takes 5–21 working days and requires no service interruption. Your direct debits, meter readings, and any exit fees need to be settled first.
Fixed-term tariffs often charge an exit fee (typically £30–£150 per fuel) if you leave before the end date. Variable tariffs usually have no exit fees. Check your current contract before switching — if you have several months remaining and the exit fee is high, it may be cheaper to wait.