KORINTHOS POWER SOCIÉTÉ ANONYME OF GENERATION AND TRADING OF ELECTRICITY

Protergia is the retail electricity and natural gas supply brand operated in Greece by the energy arm of the Mytilineos group (now Metlen Energy & Metals). The legal entity behind the brand, Korinthos Power Société Anonyme of Generation and Trading of Electricity, is a Greek société anonyme active in power generation and electricity trading. Through the Protergia brand, the company sells electricity and gas to residential and business customers across Greece, positioning itself as a vertically integrated alternative to the incumbent utility. The brand's product range covers household electricity and natural gas tariffs, business electricity and gas contracts, and a growing set of energy solutions such as heat pumps, smart meters, home chargers, rooftop photovoltaics and home care services. Its residential catalogue includes named plans such as Protergia Picasso, Protergia Value Sure 12M 3.0, Protergia Value Sure 18M 3.0, Protergia Student Plan, Protergia Dynamic One Home, Protergia Value Bright, Protergia Value Lite 2.0, Protergia Value Standard and Protergia Value Special. For businesses, Protergia offers segmented professional plans (Protergia Επαγγελματικό 1, 2 and 3), a professional Single Reward tariff, Value Gas Standard, Double Energy Reward, Helios Value Business and Business Care, alongside customised programmes for large enterprises and industry-specific specialisation. Protergia operates a nationwide customer service network with physical Protergia stores, multiple contact channels, a dedicated service for deaf and hard-of-hearing customers (Protergia Open), and a range of payment methods. Its website functions as the main commercial and informational hub, presenting tariffs, charges, energy solutions and first-connection guidance. The brand is part of one of Greece's largest industrial and energy groups, which gives it access to generation assets and trading capabilities. This vertical integration underpins its market positioning as a supplier that can combine competitive retail pricing with energy services and sustainability-oriented offerings such as solar self-generation and electric mobility support.

Korinthos Power Société Anonyme of Generation and Trading of Electricity is a Greek société anonyme whose name indicates a dual role in power generation and electricity trading. The company operates in the Greek energy market and is associated with the Protergia retail supply brand, which serves households and businesses with electricity and natural gas. Protergia emerged as the customer-facing brand of the Mytilineos group's energy activities. Mytilineos, a major Greek industrial group later rebranded as Metlen Energy & Metals, built a vertically integrated energy business spanning generation, trading and retail supply. The Protergia brand was created to market electricity and gas directly to end customers, competing with the incumbent supplier and other independent retailers in Greece's liberalised energy market. Over time, Protergia expanded its catalogue from basic electricity tariffs to a broad range of residential and business products. Its residential line includes fixed-term and variable plans such as Protergia Value Sure 12M 3.0 and 18M 3.0, the Protergia Picasso plan, a student plan, and dynamic tariffs like Protergia Dynamic One Home. For businesses, the brand developed segmented professional plans (Protergia Επαγγελματικό 1, 2 and 3), a professional Single Reward tariff, gas products such as Value Gas Standard, and bundled rewards like Double Energy Reward. It also introduced Helios Value Business and Business Care, reflecting a move beyond pure commodity supply into energy services. The brand's energy solutions portfolio grew to include heat pumps, smart meters, home chargers, rooftop photovoltaics and home care, aligning with broader trends in energy efficiency, self-generation and electric mobility. Protergia also invested in customer service infrastructure, opening physical Protergia stores, offering multiple contact and payment channels, and launching Protergia Open, a service for deaf and hard-of-hearing customers. As part of the Mytilineos/Metlen group, Protergia benefits from access to generation assets and trading expertise, which supports its positioning as a vertically integrated supplier. The brand continues to operate under the Protergia name in Greece, with its website serving as the primary channel for tariff information, sign-up and customer support.

Vertically integrated Greek electricity and gas supplier offering competitive retail tariffs and energy solutions for households and businesses.

• Protergia Picasso

  Residential electricity plan listed on the Protergia website.

• Protergia Value Sure 12M 3.0

  Residential fixed-term electricity plan.

• Protergia Value Sure 18M 3.0

  Residential fixed-term electricity plan.

• Protergia Student Plan

  Residential electricity plan aimed at students.

• Protergia Dynamic One Home

  Residential dynamic electricity tariff.

• Protergia Value Bright

  Residential electricity plan.

• Protergia Value Lite 2.0

  Residential electricity plan.

• Protergia Value Standard

  Residential electricity plan.

• Protergia Value Special

  Residential electricity plan.

• Protergia Επαγγελματικό 1 Value Sure 12M 3.0

  Business electricity plan.

• Protergia Επαγγελματικό 1 Value Simple 2.0

  Business electricity plan.

• Protergia Επαγγελματικό 1 Value Standard

  Business electricity plan.

• Protergia Επαγγελματικό 1 Value Seasonal

  Business electricity plan.

• Protergia Επαγγελματικό 1 Dynamic One

  Business dynamic electricity plan.

• Protergia Επαγγελματικό 1 Value Special

  Business electricity plan.

• Protergia Επαγγελματικό 2 Value Simple 2.0

  Business electricity plan.

• Protergia Επαγγελματικό 2 Value Standard

  Business electricity plan.

• Protergia Επαγγελματικό 2 Dynamic One

  Business dynamic electricity plan.

• Protergia Επαγγελματικό 2 Value Special

  Business electricity plan.

• Protergia Επαγγελματικό 3 Value Sure 12M 2.0

  Business electricity plan.

• Protergia Επαγγελματικό 3 Value Simple 2.0

  Business electricity plan.

• Protergia Επαγγελματικό 3 Value Standard

  Business electricity plan.

• Protergia Επαγγελματικό 3 Value Special

  Business electricity plan.

• Protergia Επαγγελματικό Single Reward

  Business electricity tariff with rewards.

1. 1Protergia | Πάροχος Ηλεκτρικής Ενέργειας & Φυσικού Αερίουprotergia.gr
2. 2Ιστορική Αναδρομή | Protergiaprotergia.gr
3. 3KΟRINTHOS POWER SOCIÉTÉ ANONYME OF GENERATION AND TRADING OF ELECTRICITYwikidata.org