Answers and glossary for Irish business energy
Every line on your bill and every step of a switch, in plain English.
Your bill
4 answersYour Meter Point Reference Number is the 11-digit number starting with 10 on your electricity bill. It identifies your meter and stays the same whichever supplier you use.
Your Gas Point Registration Number is the 7-digit number on your gas bill. Like an MPRN, it belongs to the meter, not the supplier.
Your supplier has calculated your usage instead of reading the meter. Submitting an actual reading brings the bill back in line with what you used.
Switching
7 answersNo. Your electricity or gas keeps flowing through the same network. Only the supplier sending the bill changes.
No. Your existing meter stays in place, and ESB Networks or Gas Networks Ireland continue to read it.
One of our account managers calls you back, usually within 15 minutes during office hours (Monday to Friday, 9am to 5pm), and talks you through the next steps.
Once your contract is signed we send it to your new supplier for registration. If all the details are correct, your account is usually active within 4 weeks. Very large sites (LVMD) and some interval-metered accounts can take longer because ESB Networks needs a meter read.
Contracts
6 answersYes. We check your current end date and line up your new contract to start when the old one finishes.
A fixed price keeps your unit rate the same for the contract. A floating product tracks the wholesale market and can usually be fixed at a later point.
If nothing is agreed, you can roll onto your supplier’s standard rates, which are often higher. We track your end date and review options before you get there.
The time your contract asks you to give before leaving. It’s set out in your supplier’s terms, and we plan your switch around it.
Once we have your latest bill, your account manager gives you 1-year and 2-year options based on your tariff and usage. You choose the length, and we send the contract by email to sign on your computer, phone or tablet.
Charges explained
6 answersThe price you pay per kWh of electricity or gas. It’s set by your supplier and is the main figure we negotiate.
A fixed daily fee set by your supplier to cover your connection and meter, charged whether or not you use any energy that day. It varies with your meter type and tariff.
The Public Service Obligation levy is set each year by the CRU and appears on every electricity bill. From 1 October 2026 it is €1.93 a month for small businesses and €0.24 per kVA of MIC a month for larger sites, before VAT. It’s the same whichever supplier you choose.
Distribution and Transmission Use of System charges pay for the electricity network, run by ESB Networks and EirGrid. They’re approved by the CRU and don’t change when you switch.
Maximum Import Capacity is the most power your connection is contracted to draw. Capacity charges on larger sites are based on it.
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Answers and glossary for Irish business energy
Every line on your bill and every step of a switch, in plain English.
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{{ g.countText }}Try a shorter word, or ask us directly. Our Galway team answers on 091 394 818 and at hello@cost.ie.

