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Pros and Cons

According to our expert

In this review, we explain in clear language where Luminus scores strongly and what points of interest you should take into account before choosing this gas Luminus BasicFlex.

Tip! Compare Luminus BasicFlex with its competitors.

Evert E.Evert E. — Energy expert

Pros

  • + Automatically benefit from market price drops, as your tariff adjusts with wholesale energy prices.
  • + Invoices are sent exclusively by email.
  • + Pay by bank transfer or direct debit, allowing you to choose the payment method that best suits your preferences and cash flow.

Contras

  • − If market prices rise, your bill will increase accordingly, as your rate follows market fluctuations.
  • − Customer service is only available online, through channels such as email, chat, or a customer portal, without phone support.

Product score

3,8 / 5
Price per kWh Gas
83%
Customer service
50%
Billing method
50%
Payment methods
100%
Specifications

Product details & important information

1-2 people €71 /mo
3-4 people €200 /mo
5+ people €297 /mo
Type of tariff plan Indexed price
Customer service Online only
Billing options Digital only
Payment method Bank transfer or direct debit
Fixed fee €20 /yr
Gas usage fee c€7.69 /kWh
Contract duration Indefinite
Notice period 1 month
Available in Flanders & Wallonia
Target audience Consumer
Tariff card October 2026
Promotions

Which promotions & discounts are included?

Overview of current promotions and offers from Luminus BasicFlex.

Currently, we don't have a record af any promotions or discounts for Luminus BasicFlex. Some providers opt to simply offer their best offer already by default, without the fine print and promotional conditions.

Evert E.Evert E. — Energy expert

Estimated annual price

Estimate your monthly and annual cost

What is the postcode/city of the connection address?

Luminus BasicFlex is a variable rate. We always make the best possible estimate of the annual price of each contract. We calculate these according to the expected energy prices for the next 12 months. However, prices may change due to changing market conditions or government decisions. The price calculation is based on october 2026 tariffs.

Evert E.Evert E. — Energy expert

Price simulation

Energy price simulation based on your profile

To make all these tariffs and prices a bit more tangible, you will find here an estimate of advance payment amount and final bill for each different consumption profile.

  • Flanders
  • Wallonia
  • Brussels
Last update : 9 october 2026

1-2 people

Small family

Gas: 7.560 kWh

€71 /mo
≅ €852 /yr
Energiekost
Vaste vergoeding
€ 20,00
Verbruikskost gas
€ 581,36
Subtotaal € 601,36
Taksen en Heffingen
Subtotaal € 82,62
Netkosten bij Fluvius Antwerpen
Subtotaal € 164,14
Jaartotaal € 848,13 /jr
Gem. per maand € 70,68 /mnd

3-4 people

Average family

Gas: 23.260 kWh

€200 /mo
≅ €2,400 /yr
Energiekost
Vaste vergoeding
€ 20,00
Verbruikskost gas
€ 1.788,69
Subtotaal € 1.808,69
Taksen en Heffingen
Subtotaal € 264,35
Netkosten bij Fluvius Antwerpen
Subtotaal € 332,20
Jaartotaal € 2.405,24 /jr
Gem. per maand € 200,44 /mnd

5+ people

Large family

Gas: 34.890 kWh

€297 /mo
≅ €3,564 /yr
Energiekost
Vaste vergoeding
€ 20,00
Verbruikskost gas
€ 2.683,04
Subtotaal € 2.703,04
Taksen en Heffingen
Subtotaal € 401,93
Netkosten bij Fluvius Antwerpen
Subtotaal € 456,68
Jaartotaal € 3.561,65 /jr
Gem. per maand € 296,80 /mnd

1-2 people

Small family

Gas: 7.560 kWh

€84 /mo
≅ €1,008 /yr
Energiekost
Vaste vergoeding
€ 20
Gasprijs
€ 581,36
Subtotaal € 601,36
Taksen en Heffingen
Subtotaal € 91,18
Netkosten bij ORES Hainaut
Subtotaal € 320,21
Jaartotaal € 1.012,75
Gem. per maand € 84,40

3-4 people

Average family

Gas: 23.260 kWh

€231 /mo
≅ €2,772 /yr
Energiekost
Vaste vergoeding
€ 20
Gasprijs
€ 1.788,69
Subtotaal € 1.808,69
Taksen en Heffingen
Subtotaal € 266,09
Netkosten bij ORES Hainaut
Subtotaal € 692,52
Jaartotaal € 2.767,31
Gem. per maand € 230,61

5+ people

Large family

Gas: 34.890 kWh

€340 /mo
≅ €4,080 /yr
Energiekost
Vaste vergoeding
€ 20
Gasprijs
€ 2.683,04
Subtotaal € 2.703,04
Taksen en Heffingen
Subtotaal € 404,54
Netkosten bij ORES Hainaut
Subtotaal € 968,31
Jaartotaal € 4.075,9
Gem. per maand € 339,66
Luminus BasicFlex is NOT available in Brussels.

VAT included. Monthly, annual and one-off charges are settled on a monthly basis.

Price chart

Price history of Luminus BasicFlex

How has the price of Luminus BasicFlex evolved over the past period? Has the price increased, or has the kwh price decreased? And how does Luminus BasicFlex compare with other tariffs in the market?

Price evolution variable tariffs Gas

VAT included

About Luminus

Who is Luminus?

Luminus is a Belgian energy provider offering electricity, natural gas and electric vehicle charging solutions. It serves households, self-employed customers and businesses that want to manage their energy needs through one provider. Besides energy contracts, Luminus also offers charging services, including a charge card for access to public charging points. What makes Luminus distinctive is that it is active in Belgium in both energy supply and power generation. Luminus is therefore suitable for customers who want standard energy services combined with digital account management and EV charging options.

Comparison

Luminus BasicFlex vs competitors: Features and Pricing Compared

Forewarned is forearmed. Luminus BasicFlex serves as the benchmark product in this comparison. In which areas does Luminus BasicFlex outperform other gas only prices, and in which not so much?

Documents and attachments

Downloadable rate cards and attachments

An energy rate card summarises the most important information about an energy contract, such as the type of contract (fixed, variable or dynamic), the price per kWh, the fixed fee, any indexation formulas, duration and termination conditions. You will also find information on discounts, green electricity, injection tariffs for solar panels, network tariffs and an estimate of the annual cost. Here you will find an overview of all current and past rate cards of Luminus BasicFlex.

Previous rate cards

  • 2023
  • 2024
  • 2025
  • 2026
Questions & answers

Still have questions?

Below you will find answers to the most frequently asked questions about Luminus BasicFlex. Is your question not listed? Feel free to contact us.

Yes, Luminus BasicFlex is a indexed tariff, i.e. the consumption price per kWh fluctuates every few month(s). The kWh price can therefore rise and fall during the term of your contract. However, the consumption price always follows the same market indexes using a fixed price formula. You can find all the price information and indexation formula in the tariff sheets.

When you switch suppliers, your new supplier Luminus takes care of everything. They will contact both your local grid operator and your previous energy supplier. Your switch usually follows 30 days after your request, but you can also choose a switch date yourself up to 6 months in the future. If you have requested a new connection or move, Luminus also takes care of everything, and then everything can be set up even faster.

Consumers are always entitled to a free cancellation period of 2 weeks after application. For this, you need to contact your new supplier yourself, or contact your current supplier and ask them to stop the switch. Business users are not entitled to 2 weeks' notice.

No, consumers in Belgium are still allowed to switch suppliers for free, and without giving any reason. You are not bound to a fixed contract duration. However, sometimes early termination means you lose your welcome discounts. We therefore advise you to remain a customer for at least one year before requesting an energy switch.

When the original contract term of 1 or 2 years is about to expire, Luminus will notify you. In this, they will offer you a new contract proposal with the same or similar tariff plan. This is the moment you should definitely come and compare your energy contract again on DareToCompare.be.

Luminus BasicFlex is only available in Flanders & Wallonia, not in the other regions.