Transparency

The savings we report are the savings on your bill. Here is the proof.

Many promised savings never show up on the bill. We measure with two meters and calculate with the same tariffs and formulas as CFE, Mexico's state-owned utility. We forecast your bill before it arrives and reconcile it when it does. Then we publish the results.

How we measure

Two meters and CFE's formulas

Meter 1 · in parallel with CFE

Replicates the CFE meter's readings exactly. We apply the same formulas and the tariffs CFE publishes each month for your region. That is how we reproduce your bill before it arrives.

Meter 2 · on the BESS side

Measures exactly the energy the system delivers to you, valued with the same CFE formulas and tariffs. Together, the two meters give your actual savings for the month; the full method is delivered in writing to your auditor or finance team.

What each figure proves: the 99.98 % match shows that we calculate your bill exactly as CFE does; the savings are proven by the measured range across all reconciled months and by the cumulative totals. Both are published every month. Request the «How we measure and reconcile» document for your auditor →

Monthly reconciliation · evidence ledger

Last reconciled month: forecast bill vs. actual bill

No.FigureWhat it provesHow it is verified
02 99.98 % Match between the bill we forecast and the bill that arrived, averaged across the month's reconciliations. Average across all operating systems
03 27⁠–⁠37 % Measured savings on the CFE bill. Range across all months reconciled to date
04 150+ MWh Energy dispatched by our systems. Cumulative as of month-end

We publish percentages only: no peso amounts and no data that could identify a client. The match is the average of the month's actual reconciliations across all operating systems; the savings figure is the range across all reconciled months. When a month falls outside the expected range, we publish it anyway, with an explanation.

How to audit it

Any third party can reproduce the calculation

  1. 01

    Readings from both meters

    What the meter in parallel with CFE and the BESS-side meter record is the basis of every reconciliation; your auditor can review it on request.

  2. 02

    CFE's public tariffs

    The same tariffs CFE publishes each month for your region; we post them on our tariffs page.

  3. 03

    The same formulas

    The bill is calculated line by line, the way CFE does it. The public simulator uses the same engine.

  4. 04

    Access for your auditor or finance team

    Read-only access to the platform for a third party you designate.

What you see

Your platform, every month

Forecast vs. actual bill

Before the CFE bill arrives, you already know what it will say.

Traceable savings

Every peso (MXN) of savings traced back to the metering, VAT included, just like your bill.

Consumption and power quality

Demand, consumption by time-of-use period, voltage and power quality, from your phone or computer.

Exportable reports

Monthly PDF reports for your accounting team and your auditor, and unlimited users per plant.

Ollin Platform: dashboard with real-time BESS status, energy parameters and monthly savings
Ollin Platform · dashboard of a system in operation: BESS status, power quality and the reconciled month’s savings.
Ollin Platform on a phone: BESS status and energy parameters
The same platform, on your phone.

Start by reproducing your own bill.

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