All your questions,
answered

The audit is 100% free. Our model is purely success-based:

• Zero upfront fees, zero subscription, zero hidden costs
• Commission only on amounts actually recovered
• If no anomaly is found — you pay nothing
• Fewer than 15% of audited portfolios show no errors

Our commission depends on the size of your portfolio and the type of anomalies detected. It is discussed during the initial consultation and contractualized before the audit begins. In all cases: if we don't recover anything, you don't pay anything.

The statute of limitations varies by anomaly type:

• Billing errors (readings, power, tariff options) → 5 years (Article L.110-4, Commercial Code)
• Overpaid taxes (electricity/gas excise) → 2 calendar years with the SIE (Article L.190, Tax Procedures Code)
• TURPE errors → 2 years with Enedis

We analyze each lever separately to maximize the recoverable amount.

Less than 30 minutes on your end. Here's how it works:

• Send us your invoices (PDF, supplier portal access, or accounting export)
• Our algorithms cross-reference your data with TURPE schedules (CRE) and excise rates (DGDDI)
• Full analysis in 48 to 72 hours
• Our experts draft the claims and follow through until refund

We audit all suppliers on the French market:

• Incumbent: EDF, Engie
• Alternative: TotalEnergies, Eni, Vattenfall, Alpiq, Gazel Energie, Iberdrola, Ekwateur, Mint Energie, OHM Énergie…
• 40+ suppliers in our tariff database
• Segments C1 to C5 (electricity) and T1 to T4 (gas)
• Compatible with regulated tariffs (TRVE), fixed and indexed offers

Virtually impossible to detect without specialized tools. A professional bill contains 15 to 20 distinct lines:

• TURPE components, time-of-use rates (Peak/HPH/HPB/HCH/HCB)
• Excise duty, CTA, VAT at different rates (5.5% and 20%)
• Technical parameters: C1-C5 segment, TURPE version, power per time band

85% of portfolios audited reveal at least one anomaly → average recovery: 4 to 8% of annual bill.

Your data benefits from maximum protection:

• AES-256 encryption in transit and at rest (banking standard)
• Servers hosted in France (ISO 27001 certified datacenters)
• Full GDPR compliance — data never resold or shared
• Enhanced confidentiality agreements for all team members
• Right to request complete data deletion at any time

The 5 anomalies we detect most frequently:

• Oversized subscribed power — average 12% overcharge on fixed costs
• Full-rate taxes (excise at €22.50/MWh) when eligible for reduced rate (€0.50/MWh, Art. 266 quinquies C, Customs Code)
• Estimated readings creating unreconciled consumption gaps
• Wrong TURPE tariff version (e.g., billed as long-use instead of medium-use)
• Undetected power overruns — up to €12.65/kW per hour in C4 segment

unisave detects these anomalies automatically and handles all claims from start to finish.

Subscribed power (kVA/kW) directly impacts two major cost items:

• Supplier subscription — proportional to power level
• TURPE — annual fixed premium per kW subscribed

In C4 segment, this premium ranges from €6.24/kW/year (off-peak) to €56.40/kW/year (peak). A site with 200 kW over-subscribed overpays €1,248 to €11,280/year.

Our analysis of your 10-min interval load curve (Enedis R15/C15 data) identifies optimal power per time band.

Your bill includes multiple tax layers:

• Electricity excise (ex-CSPE) → €30.85/MWh since Feb 2025 (+550% vs Covid rate)
• CTA → ~15% of fixed distribution network charge
• Gas excise (ex-TICGN) → €16.39/MWh
• VAT → 5.5% on subscription & CTA / 20% on consumption & taxes

Some businesses qualify for reduced rates (electro-intensive, metallurgical, chemical processes) — 70% of eligible companies never claim them. unisave systematically checks your eligibility.

Yes, and the amounts are often significant:

• Businesses with an eligible NACE code (metallurgy, chemicals, non-metallic minerals…)
• Reduced electricity excise rate: as low as €0.50/MWh (vs €30.85/MWh full rate)
• Claim via CERFA form no. 14318 with the SIE
• Retroactivity: 2 full calendar years
• Example: 2 GWh/year consumption → recovery up to €60,000/year

Our experts verify your eligibility and handle the entire filing process.

Two main approaches:

• Fixed price — guaranteed rate for 12 to 48 months. Supplier includes a risk premium (€3-8/MWh). Ideal for budget predictability.
• Indexed price — follows a reference index (Cal+1 EEX for electricity, PEG for gas). Captures market drops.
• Click contract — progressive price fixing in tranches, good compromise.

Since the end of ARENH (January 2026) and the introduction of VNU, prices are more volatile. We model scenarios on your profile to recommend the best structure.

The #1 trap in professional energy contracts:

• No termination within 30 to 90 days before expiry → automatic renewal
• Renewal offer often 15 to 30% above market rates
• Some suppliers apply early termination penalties if you react too late

With unisave, no more missed deadlines: our platform monitors all your contract dates and launches competitive bidding 6 months before each renewal to guarantee the best market conditions.

With unisave, you get full turnkey management through our network of lawyers specialized in energy law:

• Legal analysis — our lawyers review your contracts and invoices to identify every claim lever
• Formal notice — drafting and sending legal letters to the supplier with precise legal grounds
• Negotiation — our lawyers negotiate directly with the supplier for maximum recovery
• Litigation — if the supplier resists, we initiate proceedings before the Commercial Court

The limitation period is 5 years (Art. L.110-4, Commercial Code), allowing substantial cumulative recoveries.

This is our edge: where others go through the ombudsman (slow and non-binding), we deploy energy law specialists for a resolution that is fast, effective, and completely hands-off for you.

Reading frequency depends on your tariff segment:

• C1-C4 → daily remote reading (10-min interval load curve)
• C5 → semi-annual or annual reading (small businesses)

When reading fails, the supplier applies an estimated reading → gaps can exceed 20% of actual consumption, generating massive adjustment invoices.

• You can request a special reading from Enedis (S163 service, ~€50)
• Our platform cross-references your invoices with Enedis data to detect discrepancies

TURPE (Tarif d'Utilisation des Réseaux Publics d'Électricité) represents 30 to 40% of your bill. It breaks down into:

• Management component (CG) — fixed annual cost per delivery point (~€15-20/year)
• Metering component (CC) — linked to meter type (Linky, green meter…)
• Withdrawal component (CS) — variable part based on subscribed power and consumption per time-of-use band
• Overrun component (CD) — penalties for exceeding subscribed power

TURPE is set by the CRE (Energy Regulatory Commission) and updated annually (TURPE 6 HTA-BT in effect since August 2023). unisave verifies the correct tariff version is applied on every invoice.

Switching suppliers is free and without interruption (guaranteed by Article L.331-1, Energy Code). Key steps:

• Check your contract end date and required notice period (30 to 90 days)
• Launch a tender to multiple suppliers with a detailed brief (consumption profile, power, time-of-use)
• Compare offers on total cost: commodity + network charges + taxes + services
• Sign the new contract — the new supplier handles termination of the old one

unisave manages this competitive process for you: we consult the entire market and negotiate the best terms thanks to our portfolio volume.

The capacity mechanism is a regulatory requirement (NOME Act) that ensures security of supply in France:

• Each supplier must hold capacity certificates proportional to their customers' peak consumption
• The cost is passed on as a capacity obligation charge (in €/MW)
• 2025 price: ~€40,000-50,000/MW (RTE auctions) — roughly €3-5/MWh on your bill
• The higher your consumption during PP1/PP2 periods (cold snaps), the more you pay

unisave optimizes your capacity profile by analyzing your load curves during critical hours and verifying the applied obligation coefficient is correct.