What is MHHS – Market Wide Half Hourly Settlement?
Market Wide Half Hourly Settlement (MHHS) is a major industry initiative to transform the way the electricity market operates. Under MHHS, all electricity customers will have their electricity consumption settled every half hour.
Market-wide Half-Hourly Settlement (MHHS) is a key enabler of the flexibility to support the transition to Net Zero. It will encourage more flexible use of energy and help consumers lower their bills.
MHHS will see a significant move forward in how electricity is used and accounted for and will introduce a faster, more accurate settlement process, introducing site specific reconciliation using half-hourly consumption data for all.
MHHS is being introduced because the current model for settling electricity consumption is not suited to the way in which we generate and use electricity today, nor how we expect to generate and use power in the future.
The UK has a target to move to a zero-carbon electricity grid by 2035. In the Energy White Paper ‘Powering our Net Zero Future’ the government has set out an ambitious programme to build a fairer greener energy system.
All this means that a larger proportion of our electricity is being generated by intermittent renewable sources of generation, such as wind or solar. At the same time, the demand on our electricity grid is increasing due to, amongst other things, greater adoption of electric vehicles and greater use of electricity for heating.
MHHS will modernise this system, allowing suppliers and the grid to settle electricity consumption based on actual consumption data. It will contribute to a more cost-effective electricity system, encouraging more flexible use of energy and helping consumers lower their bills.
What do I have to do to be ready for MHHS?
ENGIE electricity consumers do not have to do anything to move to MHHS, this transition will be handled by ENGIE. A small number of customers may need to agree a site supply capacity with their Distribution Network Operator after the transition. If you are one of these customers, we will be in contact to explain what you need to do.
How secure is my data and what are my rights?
A limited number of specifically trained staff have access to your data for essential reasons. This may be shared with third parties for the provision of services, and not for marketing.
You can request a copy of your data at any time. If you wish to do so, please email the team at customerdata@engie.com or call us on 0800 130 3600 (Opening hours: Monday to Thursday 09:00 – 17:00, Friday 08:30 – 16:30).
This link from Energy UK, an independent organisation providing advice and support to the energy industry, provides further details on your Smart Meter data rights.
What data do we take and how do we use it?
We use the data from your electricity or gas Smart/AMR meter to produce accurate bills. If anything changes about the way we handle or use your data, we will inform you.
Your Smart meter sends us readings to show how much electricity or gas you have consumed. Your AMR Data Collector dials into your meter and collects your consumption data and sends it to us securely via a data flow.
I cannot find my meter, are you able to help me with this?
If you are unable to find your meter inside your premises, you may have to try outside the building. We may be able to send an engineer out to assist you in finding your meter, however there is a charge for this.
To help you find your meter, please let us know what fuel is supplying your building, and if any other engineers have been out to your site to read your meter previously.
I have a query about my meter’s consumption
If you are being billed to estimated reads, please ensure that you are providing us with regular meter readings, you can do this through your Online Account, please log in or register
If you are still unsure about your meter’s consumption, could this be explained by a change in your business patterns? You are more likely to see an increase in your consumption in the winter months as you heat your premises, or have you had new equipment installed that may impact your energy usage?
If this does not reasonably explain your concerns regarding your meter’s consumption, please get in touch.
What is a SMART/AMR Meter?
Smart Meter: Smart Meters measure your energy consumption and are able to send regular consumption information directly to us for use on your bills, so there is no need to take manual meter readings.
A Smart Meter can show you how much energy you are consuming. It can be programmed with tariff information, so you can also see how much you are spending on energy. With a Smart Meter, you will have no more estimated* bills so you only pay for what you use.
The latest generation of Smart Meters will replace existing gas and electricity meters and can communicate with all suppliers, so there will be no interruptions to your remote meter readings if you change supplier.
Apply for a Smart Meter today
AMR Meters: Advanced Meter Reading meters are advanced electricity and gas metering systems that record energy usage and have the ability to remotely** send data to us for use on your bills.
AMR meters can be different for gas and electricity. If you’re a gas customer, an AMR is often an ancillary device that we attach to your existing meter. If you’re an electricity customer, an AMR meter is an advanced meter that will replace your existing meter, but these are also available for gas customers.
Apply for an AMR Meter today.
* Subject to eligibility. Installation is subject to survey and your business site meeting Smart/AMR meter installation suitability criteria. There may be additional associated costs if the set up at your site needs additional equipment to support the installation.
** Subject to your meter being able to be read remotely.
How to read your electricity meter
There are several different kinds of electricity meters. Check which kind you have before you read it.
Single rate digital meter: A digital meter will have an electronic or digital display, showing five numbers in black or white, which may be followed by one or more red numbers. To read the meter, write down the five numbers shown from the left to right and ignore any other numbers.
Multiple Register (single display) meter: Some two rate meters only have one digital display. They will either flash up the different rate readings in a cycle or have a button that you need to press to make the display cycle through the readings for the different rates. To read the meter write down the numbers shown left to right. You will need to give both readings to us.
Multiple Register digital meter: The bottom row (marked normal or day) shows how many units of peak electricity you have used. To read the meter, read both the top and bottom rows, write down the numbers shown left to read, ignore the last number(s) which may be shown in red. You need to give both readings to us.
Dial meter: To read the meter, read the first five dials from left to right, write down the number that the pointer has just passed. If the pointer is exactly over the number, write it down and underline it. If you have underlined a number, check the next dial to the right. If the pointer on that dial is at or past 9, you need to reduce the number you have underlined by one. For example, a 6 followed by a 9 should be written as a 5 and underlined.
If you’re still unsure on how to read your meter please contact us on the details below and one of advisors will be able to talk you through it.
What is an MPAN, MPRN or Serial Number, and where can I find them?
MPAN: A Meter Point Administration Number (MPAN) is used to identify individual electricity supply points. It’s usually a 21-digit number with the letter ‘S’ at the beginning and is displayed in a grid above “Your Invoice Breakdown” on your Invoices from ENGIE. We would usually require the last 12 digits to identify your meter when communications with us about your account or when submitting a meter reading. You can find your serial number ENGIE invoice under the ‘Consumption Information’ section. If you are not yet a customer with ENGIE, you may be able to find this on your invoice from your current supplier. You will not be able to find your MPAN on your physical meter.
Alternatively, you may contact your Network Operator to check you MPAN number.
MPRN: The Meter Point Reference Number (MPRN) is used to identify individual gas supply points. It’s normally made up of numbers and doesn’t contain any letters. You’ll find your MPRN on your ENGIE invoice under the ‘Consumption Information’ section. You can also find your serial number in this location. If you are not yet a customer with ENGIE, you may be able to find this on your invoice from your current supplier.
Alternatively, you may search using your address at Find My Supplier or call the Meter Number Helpline on 0870 608 1524. Calls to this number cost 7p a minute, plus your phone company’s access charge.
Your serial number is important as it can help us to identify your meter. The Serial number is also known as the MSN or Meter ID and appears on your bills as described above as a combination of numbers and letters. Your serial number can also be found on your meter near the barcode. If this does not match the serial number on your bills, please get in touch.
