Gas Online

Variable gas offer by Sienergy on the free market

πŸ“… Valid until 12/31/2026⏱️ Price locked for 12 months

With an estimated cost of €1152/year for 1400 Smc (at PSV + 0.1500 €/Smc), Gas Online is the most affordable offer from Sienergy among the 1 currently available. The priciest offer from this provider reaches €1152/year, that is €0 more.

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About Sienergy

OFFERTA RISERVATA AI CLIENTI DOMESTICO

Estimated Energy Cost
€1152/anno*
Avg cost (PSV + SPREAD)0.654 €/Smc
↑
Higher cost €252 morecompared to the average household*
Calculate your savings

Tariff & Time-of-Use Details

Fixed fee€132.00/anno
Spread F+0.1500 €/Smc
081823
*Based on 1400 Smc/year and PSV 0.504 €/Smc. Source: ARERA
Offers last updated: 06/20/2026, 02:30 AM

How much do you save with Gas Online?Bolin tells you!

Bolin analyses your usage to score your current supply and identify the most competitive offers for you on the market. If you decide to switch, Bolin takes care of everything for you!

Discover your score

Free Β· No commitment Β· 3 minutes

Your scores bolin.SAVE UP TOVia Roma 10, Milano157€/annoELECTRICITY SCORE3/10GAS SCORE4/10

Demo data

How does Gas Online compare on the market?

We compared Gas Online with the best offers from Magis Energia and Pulsee, two suppliers actively present on the free market.

More expensive

vs Magis Energia

Best offer from Magis Energia€819/anno
+€333 (41%)
Gas Online€1152/anno

The best offer from Magis Energia costs €333/year less (βˆ’41%) than Gas Online. Over 10 years the potential difference is €3330.

See offers from Magis Energia
More expensive

vs Pulsee

Best offer from Pulsee€999/anno
+€153 (15%)
Gas Online€1152/anno

The best offer from Pulsee costs €153/year less (βˆ’15%) than Gas Online. Over 10 years the potential difference is €1530.

See offers from Pulsee

How has the price of Gas Online changed with PSV trends?

The PSV (Punto di Scambio Virtuale) is Italy's monthly reference price for natural gas: when it rises your bill increases, when it falls you save automatically. Gas Online is a variable-price offer: its cost directly follows the PSV. The chart shows how your price has changed over time.

PSV Current PSV0.504 €/Smc
Monthly variationβ–² 0.010 €/Smc
Min/Max0.327 β€” 0.563

Heads up: a rising PSV is pushing up the cost of Gas Online. Last month it rose by 0.010 €/Smc: with a spread of 0.150 €/Smc, the current cost is 0.654 €/Smc. It may be worth considering a fixed-price offer.

* Valori in €/Smc. Fonte: GME β€” Prezzo Medio Gas. Updated monthly.

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Why choose Sienergy?

Sienergy is an Italian electricity and gas supplier, specializing in digital solutions for residential and business customers. Its offers, such as SiEnergia Casa Online and SiGas Casa Online, are based on market parameters (PUN_INDEX_GME and PSV) and include fixed contributions to cover costs like network losses. The activation process is entirely online, ensuring transparency and flexibility for private and business users. Sienergy also provides exclusive agreements for companies and public entities, extending benefits to employees. No details are available on reviews or weaknesses identified from feedback.

Pros

  • Fully online activation and supply management
  • Transparent tariffs with details on market parameters
  • Flexible offers for residential and business customers

Cons

  • No dedicated mobile app for management
  • Additional cost details not always immediately clear
  • No physical branches for direct assistance
b.

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FAQ β€” Gas Online by Sienergy

Is Gas Online the best value offer from Sienergy?

Yes, Gas Online is the most affordable gas offer from Sienergy among the 1 available, with an estimated cost of €1152/year for a typical 1,400 Smc household.

Can I switch supplier after activating Gas Online?

Yes, Gas Online has no early termination fee. You can switch gas supplier at any time in the free market.

Are there activation costs with Sienergy?

The switch to Sienergy via Bolin is always free, with no service interruptions or technical interventions on the meter.

How to activate online with Sienergy?

Just upload your latest bill to Bolin. Our AI will analyze your consumption and show you the real savings you can get with Sienergy's offers compared to your current rate.