Choose a demo case for your country

Pick the card that matches where you live. Using your own bill instead? Upload it below and choose your country in step 1.

Demo data loaded. Edit it or upload your own bill.

Upload Statement or Meter Photo

Upload your utility bill statement (PDF/Image) or a photo of your meter dials to automatically extract billing periods.

Drop your energy bill here, or browse files

Supports PDF, PNG, JPG, or WebP (max 10MB)

Loads synthetic UK utility bill straddling the 12-month limit (real API extraction)

1. Regulatory Jurisdiction & Bill Date

Select your utility territory to determine statutory lookback barriers.

Governs the statutory lookback window and governing legal citation.
The formal issue date printed on the catch-up statement.
Suppliers cannot penalize customers for delayed meter reading cycles.
Under statutory rules, deliberate obstruction nullifies protections.

2. Account & Supplier Identification

Required party details for generating dispute notices.

Primary name on utility contract.
Supplier against whom the formal statutory notice is served.
Unique billing account reference.
Physical property connected to the disputed meter.

3. Itemized Consumption Periods

Enter each billing period and associated charge as listed on the statement.

Period Start Date Period End Date Charge Amount (£) Action
Total Billed: £0.00 Calculated by code
How this works
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1. Deterministic Engine

Deterministic math engine calculates the numbers (exact calendar day counts and pro-rata apportionments calculated by code, not an LLM).

2. Statutory Retrieval

Statutory text is retrieved live when available, otherwise a built-in reference is shown (please verify).

3. AI Vision & Drafting

AI only reads documents (bill OCR / meter photo) and drafts the formal dispute notice letter citing the code-calculated figures.

Rule Check Result

Deterministic check against the back-billing limit in the selected rules

Run an audit to see your result

Submit your billing records to evaluate charges against statutory back-billing limits.

Likely Disputable Amount: Calculated by code
£0.00
Statutory Lookback Cut-off Barrier: Calculated by code
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Not legal advice. For informational assessment only. Verify official rules with your energy regulator or ombudsman.

Statutory Lookback Cut-off Barrier Timeline

Visual pro-rata mapping of billing periods against statutory lookback barrier

Disputable Window Permitted Window Statutory Barrier
Scroll horizontally to view complete timeline

Deterministic Lookback Apportionment Schedule Calculated by code

Day-by-day pro-rata calculation schedule

Consumption Period Total Days Pre-Cutoff Days Period Billed Disputable Amount Statutory Finding

Retrieved Statutory Legal Authority

Statutory reference and retrieved sources

Formal Notice of Dispute

Draft dispute letter. Review it before sending.

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Statutory Procedural Timeline

Statutory Escalation & Ombudsman Deadlines

Suggested response window and independent ombudsman escalation date.

Day 1 • Today
Formal Dispute Notice Served
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Notice lodged with Schedule of Mathematical Evidence. Request temporary hold on collection while reviewed.

Day 14 • Suggested Deadline
Suggested response deadline
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Suggested timeframe for supplier to reply in writing or provide an amended statement.

Day 56 • 8-Week Threshold
Ombudsman Escalation Gateway
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Statutory right to escalate directly to the independent Energy Ombudsman / Commission for an independent final decision.