What Illumia does

Illumia S.p.A. is a privately held Italian multi-utility retailer headquartered in Bologna (Via De' Carracci 69/2) and operating under the direction and coordination of the Tremagi S.r.l. holding company. Founded in the mid-2000s (firmographic data reports 2006; another source states 2004) and active for approximately 20 years in the Italian energy market, Illumia supplies electricity, natural gas, and fiber-to-the-home internet (Illumia Wifi) to roughly one million residential customers and a smaller base of small/micro-business customers across multiple Italian provinces. Its core go-to-market is direct-to-consumer: customers compare offers, sign contracts and self-serve via www.illumia.it and the Area Clienti portal, supplemented by phone sales (800.046.640 / 051.600.8080), the Illumia Partner referral channel, and physical Punti Vendita across Italy.

The revenue model is essentially a recurring subscription business on commodity pass-through: electricity billed at €/kWh (fixed or PUN-indexed), gas at €/Smc (fixed or PSV-indexed), and fiber at €24.90/month (€12.45/month for accessibility-tier customers), with annual fixed fees per POD (€144) and per PDR (€84). Three-year fixed-price offers (Energia Lunga Luce, Energia Lunga Gas, and the dual-fuel Energia Lunghissima bundle) carry explicit early termination fees and loyalty bonuses up to €210, designed to lock customers in and protect retail margin against wholesale volatility. Beyond commodity supply, Illumia is building a small energy-efficiency hardware business — photovoltaic systems, balcony solar, air conditioning (Illumia Clima), boilers and an energy consulting line (Illumia Powernet) — plus an Italian accessibility tier and a consumer-protection rating (Consumerismo 'Operatore Eccellente').

Strategically, Illumia has shifted from a single-commodity retailer to a multi-utility bundle play, and is investing in regulated-access growth (ARERA liberalization auction wins in Turin, Florence, Como, Varese, Sassari, Nuoro, Naples and Rome added 600,000 customers in 2023), channel diversification (Partner program, physical stores), and a technology buildout via a Global Capability Center in Chennai. No proprietary technology stack or AI/ML capabilities are disclosed; competitive differentiation rests on brand trust (1M customers, 20-year operating history, 2024 Deloitte Best Managed Companies award), regulated access to mass-market tender volumes, and the cost of churning out of fixed-price multi-year bundles.

Name

Illumia

Legal name

Illumia S.p.A.

Website

https://illumia.it

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

101–250 employees

Short description

Illumia S.p.A. is an Italian multi-utility retailer supplying electricity, natural gas, fiber internet, and energy-efficiency hardware to roughly one million residential and small-business customers across Italy, operating under the Tremagi S.r.l. holding company.

Ownership category

akta.pro rank

Product category

Retail Energy Services

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Transmission, Control, and Distribution (22112)

SIC

Electrical Industrial Apparatus (3620)

akta.pro primary industry

Investor-Owned Electric Distribution Utilities (IOUs) (EUADABAA)

Keywords

• Retail electricity supply
• Natural gas distribution
• Residential fiber internet
• Photovoltaic system installation
• Fixed-price energy tariffs

Headquarters

HQ city

Bologna

HQ country

Italy

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Personnel

Revenue model

1. Electricity Supply (Luce): Recurring subscription-based electricity supply to residential customers in Italy, with fixed-price and variable-price tariff options. Revenue is generated through monthly consumption charges (€/kWh), annual fees (€/POD), and system charges.
2. Gas Supply: Recurring subscription-based natural gas supply to residential customers in Italy. Revenue is generated through consumption charges (€/Smc), annual fees (€/PDR), and system charges. Both fixed and indexed pricing options available.
3. Fiber Internet (Illumia Wifi): Monthly subscription-based fiber optic internet service (FTTH) for residential customers. Revenue generated through monthly rental fees, modem rental, and one-time activation fees.
4. Energy Efficiency Products: One-time sales of energy efficiency products including photovoltaic systems, air conditioners, boilers, and balcony solar systems. Revenue generated through product sales and installation services.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels9 records

Core offering

Illumia S.p.A. is an Italian multi-utility retailer that supplies electricity and natural gas to residential and small-business customers under fixed-price (3-year) and indexed tariff structures, and bundles those with FTTH fiber internet (Illumia Wifi). It complements the utility subscriptions with installed energy-efficiency hardware — photovoltaic systems, balcony solar, air conditioners (Illumia Clima), and boilers — plus an energy management consulting service (Illumia Powernet) for business customers.

Product overview

Illumia is an Italian energy retailer offering residential and business customers a comprehensive suite of energy services. The core product portfolio consists of electricity plans (Energia Lunga Luce, Luce Flex, Prezzo Garantito Web), natural gas plans (Energia Lunga Gas, Gas Flex), and fiber optic internet (Illumia Wifi). The flagship offering is the 'Energia Lunghissima' bundle combining electricity and gas at fixed prices for 3 years. Complementary offerings include energy efficiency products—photovoltaic systems, air conditioners, and boilers—as well as digital services via the customer portal and mobile app. The company positions itself as a one-stop energy provider for Italian households seeking simplicity and savings on their utility bills.

Differentiator

Problem solved

Functional benefit

Brands

• Illumia Wifi: Fiber optic internet service for residential customers
• Illumia Clima
• Illumia Powernet

Products and services

• Energia Lunga Luce Fixed-price residential electricity plan that locks the per-kWh electricity price for 36 months, billed monthly with a fixed annual POD fee. Targets Italian households seeking protection against wholesale market price swings.
• Luce Flex
• Prezzo Garantito Web
• Energia Lunga Gas
• Gas Flex
• Illumia Wifi
• Energia Lunghissima Luce e Gas
• Fotovoltaico
• Fotovoltaico da Balcone
• Climatizzatori (Illumia Clima)
• Caldaie
• Illumia Powernet

Quantifiable outcome

• 600,000 new customers won in liberalization auctions
• +1 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core and flagship.

• ElluciancoreTechnology or Integration · 20 April 2026Illumia received the 2025 Ellucian Partner Award for Integration Excellence for its real-time bidirectional integration between Illumia Integrated Payments and Ellucian Student (powered by Colleague). The integration synchronizes student financial data across systems in real time, replacing batch-dependent cycles and reducing manual reconciliation work for campus finance teams. The integration roadmap includes planned connectivity with Ellucian Experience and Data Connect.
• GeneacoreStrategic or Co-development Partner · 20 February 2026Illumia and Genea announced a partnership to deliver cloud-native access control solutions to the higher education sector. The solution is built on open architecture, reuses existing infrastructure, and provides AI-enhanced 24/7 support with future plans to integrate video and building systems. Mercer University serves as a key initial implementation.
• Mercer UniversityflagshipImplementation/ SI/ Consulting Partner · 20 February 2026Mercer University is a key initial implementation partner for the Illumia-Genea cloud-native access control solution. The deployment spans nearly 4,000 access control readers across 12 facilities in Georgia and supports 14,000 mobile credentials, demonstrating the scalability of the platform. Mercer University also received Illumia's Distinction Award for Innovation Excellence.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Sorgenia: Independently-owned Italian energy retailer competing on digital UX, green tariffs and customer-centric pricing. Closely comparable challenger-positioning to Illumia as a non-incumbent Italian energy retailer.
• Iren Mercato: Retail arm of Italian multi-utility Iren, selling electricity and gas to residential and small business customers. Comparable customer base, energy products and Italian geographic footprint.
• Enel Energia: Italy's largest retail electricity and gas provider, serving millions of households with bundled energy, fiber and home-solutions offerings. Directly comparable to Illumia's residential electricity/gas/fiber proposition and the primary incumbent against which Illumia competes.
• A2A Energia: Italian multi-utility retailer serving residential and business customers with electricity, gas and complementary home services. Comparable in customer mix, bundled offerings and Italian geographic focus.
• Eni Plenitude: Eni group's retail energy and home-services business offering electricity, gas, fiber, EV charging and solar to Italian households. Directly comparable in bundled home-energy proposition and customer targeting.
• Edison Energia: Major Italian retail energy provider offering electricity, gas and energy-efficiency services to households and SMEs. Closely comparable in product mix, customer segments and competitive positioning to Illumia.
• Acea Energia: Rome-headquartered multi-utility retailer with electricity, gas and water offerings to households and SMEs. Comparable as a regional retail energy challenger expanding nationally, similar to Illumia's auction-driven growth model.
• Hera Comm: Retail arm of Hera Group providing electricity, gas and energy-efficiency solutions to Italian households and SMEs. Comparable multi-utility retail model with overlapping customer segment.

Broad incumbents

• Engie Italia: Italian arm of global utility ENGIE providing electricity, gas and energy services. Comparable retail offering but operating as part of a global incumbent with generation and infrastructure assets beyond Illumia's scope.
• E.ON Italia: Italian subsidiary of German energy major E.ON, offering electricity and gas to residential and business customers. Comparable retail energy offering but as part of a much larger international group with broader portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xtwitter.com/illumia
• YouTubeyoutube.com/user/illumiaEnergia
• Facebookfacebook.com/illumia.official
• LinkedInlinkedin.com/company/illumia-s-p-a-
• Instagraminstagram.com/illumia.official

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Illumia