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> Index of every page on this site: [llms.txt](https://123offerte.it/llms.txt)

[Sienergy](https://123offerte.it/en/energy/providers/sienergy)

# Energia Online Flex

Estimated bill

**≈ €75.15 **/ month

Taxes included

Supplier share: €47.88/month, before taxes

Terms valid for 12 months

**€901.78 / year**

At 2,700 kWh/year

≈ 0.1639 €/kWh using average PUN 0.1375

Markup on the market price

**PUN +****0.0264**€/kWh

Same price 24/7

Standing charge

**€132**/ year (€11.00 / month)

An amount covering the costs of commercial customer management (sales, assistance and billing), included in the energy/gas supply charge.

Annual usage × unit price + supplier standing charge + network charges, levies and taxes. For variable offers we use the 12-month average of PUN (0.137499 €/kWh, 2025-10/2026-09). Monthly spending is the annual estimate divided by 12.

Estimates include network charges, system levies, excise and VAT. Supplier unit prices and standing charges are shown before these additions.

### **Availability & signup**

- Check availability at your supply address.
- Check whether your activation or supplier change is eligible.
- Confirm local availability, eligibility and activation terms with the seller.

Payment: Bank direct debit, Card direct debit, Pre-filled payment slip, Other methods

Signup channel: All channels

Sign up by Dec 31, 2026; this is not the price expiry date.

### **Offer terms**

#### **Full offer text**

OFFER FOR HOUSEHOLD CUSTOMERS

### **Source & dates**

Source accessed on Oct 31, 2026.

Offers current as of Nov 2, 2026.

Offer code: 027870ESVML03XXENERGIAONLINEFLEX

## Similar offers

- **Sienergy** · [Webspecial](https://123offerte.it/en/energy/electricity/sienergy/webspecial-c51adc27)

  Estimated bill

  **≈ €69.14** / month

  Taxes included
- **Union** · [Store Power](https://123offerte.it/en/energy/electricity/union-03163990611/store-power-379f3556)

  Estimated bill

  **≈ €75.16** / month

  Taxes included
- **Union** · [Store Power PUA](https://123offerte.it/en/energy/electricity/union-03163990611/store-power-pua-54c46c01)

  Estimated bill

  **≈ €75.16** / month

  Taxes included
- **Tua** · [0426 – Mmigliore – Dom Luce B](https://123offerte.it/en/energy/electricity/tua/0426-mmigliore-dom-luce-b-ce57852d)

  Estimated bill

  **≈ €75.16** / month

  Taxes included
- **Touch** · [LIFEUP2.0](https://123offerte.it/en/energy/electricity/touch/lifeup2-0-74a99a92)

  Estimated bill

  **≈ €75.16** / month

  Taxes included
- **Arcadia Italia** · [Positive Casa 1220](https://123offerte.it/en/energy/electricity/arcadia-italia/positive-casa-1220-2eab0ef3)

  Estimated bill

  **≈ €75.16** / month

  Taxes included

```json
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```

```json
{"@context":"https://schema.org","@type":"Service","name":"Energia Online Flex","provider":{"@type":"Organization","name":"Sienergy"},"url":"https://123offerte.it/en/energy/electricity/sienergy/energia-online-flex-17d1fd74","offers":{"@type":"Offer","priceCurrency":"EUR","price":75.15,"priceSpecification":{"@type":"UnitPriceSpecification","price":75.15,"priceCurrency":"EUR","unitText":"MON"}}}
```

```json
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```

Source: 123offerte.it — https://123offerte.it/en/energy/electricity/sienergy/energia-online-flex-17d1fd74 (accessed 2026-11-03)

## Sitemap

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