Halimedes
Corporate brand
UnclaimedCzech natural gas supplier operating under the PLYNULE.CZ brand, offering fixed and flexible gas tariffs to households and businesses.
Last updated September 29, 2026
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Overview
Halimedes is a Czech company that operates as a natural gas supplier under the consumer-facing brand PLYNULE.CZ. The brand positions itself as a low-cost, transparent alternative to incumbent Czech gas suppliers, advertising straightforward pricing without hidden fees, footnote conditions, or penalties for a proper change of supplier. Its website markets gas to two main customer groups: households and businesses or sole traders. The PLYNULE.CZ product range is built around fixed-term guarantees and open-ended tariffs. Fixed products include 12-, 24-, and 36-month guarantees with advertised prices of 12,990 CZK/MWh, 24,950 CZK/MWh, and 36,915 CZK/MWh respectively, while the open-ended "Volnost" product is listed at 999 CZK/MWh and the "Flexibilita spot" product at 909 CZK/MWh. The homepage also advertises household gas from 909 CZK/MWh and business gas from 300 CZK/MWh, alongside an online deposit calculator that lets prospective customers estimate monthly advances based on region and annual consumption. The company emphasizes operational efficiency, stating that it uses modern AI to keep operating costs low and avoid supporting a large administrative apparatus from customer fees. It also promotes the ease of switching suppliers, with testimonials from customers who joined in 2015 and 2024 describing the meter transfer as routine and the online sign-up as simple. Halimedes is registered in the Czech Republic and is identified in Wikidata as a Czech company. Beyond its PLYNULE.CZ trading brand and the Czech gas market, little structured public information is available in the supplied evidence about its ownership, founding year, or management. The dossier therefore treats it as an active Czech energy supplier whose primary commercial identity is the PLYNULE.CZ gas brand.
History
Halimedes is a Czech company whose public commercial presence is primarily through the PLYNULE.CZ brand, a natural gas supplier serving the Czech market. The available evidence identifies it as a Czech company but does not provide a founding date, ownership history, or detailed corporate timeline. The PLYNULE.CZ website presents the brand as a challenger to established Czech gas suppliers, emphasizing lower long-term prices rather than short-term promotional offers. Its product line is organized around fixed-term guarantees of 12, 24, and 36 months and open-ended tariffs, with advertised prices for households starting at 909 CZK/MWh and for businesses at 300 CZK/MWh. The company also offers an online deposit calculator and promotes the simplicity of switching suppliers, including handling the meter transfer for customers. Customer testimonials on the site reference clients who joined in 2015 and 2024, indicating that the PLYNULE.CZ brand has been active in the Czech gas market across multiple years. The company states that it uses modern AI to reduce operating costs, which it presents as a reason it can offer lower prices without hidden fees or penalties for a proper change of supplier. No further verified history, mergers, leadership changes, or ownership details are available in the supplied evidence. The dossier therefore remains limited to the brand's positioning, product structure, and market focus as described on its official website and in its Wikidata entry.
Products and positioning
Low-cost, transparent Czech gas supplier with no hidden fees, no footnotes, and no penalties for switching; uses AI to keep operating costs low.
Garance 12
Fixed-term gas product with a 12-month guarantee, advertised at 12,990 CZK/MWh.
Garance 24
Fixed-term gas product with a 24-month guarantee, advertised at 24,950 CZK/MWh.
Garance 36
Fixed-term gas product with a 36-month guarantee, advertised at 36,915 CZK/MWh.
Volnost
Open-ended gas product advertised at 999 CZK/MWh.
Flexibilita spot
Open-ended spot-indexed gas product advertised at 909 CZK/MWh.
Sources2 sources
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