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3.0TD Penalty Guide

Maximeter Penalties in Spain Explained

A business does not always trip the power when it goes above its limit. On many commercial tariffs, the meter records the peak and turns it into a penalty instead.

What is a maximeter penalty?

A maximeter tracks the highest demand reached in a billing period. On business tariffs, especially 3.0TD, that reading is used to assess whether the contracted power was exceeded and whether an extra charge should be applied.

This is one of the main reasons a 3.0TD tariff can look reasonable on paper but still produce painful monthly bills in practice.

Why this matters

A short simultaneous demand spike can affect the whole billing period. You can create a penalty in minutes and keep paying for it for the rest of the month.

What usually triggers a maximeter penalty

The issue is rarely one machine by itself. The risk appears when several high-load systems start or run together.

  • Opening-time start-up of ovens, fryers, HVAC, extraction, and refrigeration together.
  • Laundry, hot water, and kitchen demand overlapping in hotels.
  • High A/C demand during service peaks in bars and restaurants.
  • Contracted power that was set too tightly for real operating patterns.

How businesses usually reduce the risk

The practical fixes are load staggering, more realistic contracted power, and checking whether the business profile still matches the tariff setup.

If you want to know whether your invoice already shows this problem, upload it for a free business bill check and we will flag the relevant lines.

Restaurant Cost Guide
See why kitchens are especially exposed to demand spikes
Bar Cost Guide
Review the most common bar-specific peak patterns

Think your business is being hit by peaks?

We can review the invoice, identify likely maximeter exposure, and show whether the current contracted power looks sensible for your operating pattern.

Check My Business Bill

FAQ

Does a maximeter penalty mean the power actually cut out?

Not necessarily. In many commercial setups the system records the peak and bills it, instead of disconnecting supply immediately like a household trip might.

Are maximeter penalties common on 2.0TD?

They are mainly associated with higher-demand commercial setups and are most relevant once businesses are operating under tariff structures like 3.0TD.

Can a business solve maximeter problems without switching supplier?

Often yes. Better load sequencing and contracted power changes can reduce the issue even before any supplier change is considered.

Which businesses are most exposed?

Restaurants, bars, hotels, workshops, and any site where multiple heavy loads are switched on together are especially exposed.