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Half Hourly Electricity Metering: How Does It Work?

Back in April 2017, energy suppliers were required by the new P272 legislation to provide more accurate and detailed reports on energy usage through Automatic Meter Reading or AMR meters. This can be beneficial for larger enterprises as they get to acquire much more comprehensive data based on their energy usage and costs on a half-hourly basis.

All businesses and sites under profile classes 05-08 (maximum demand meters) were required to install Half Hourly Meters as part of the P272 Ofgem legislation. 

Now, you may be wondering what a P272 is—it’s a mandatory regulation which has been deemed as one of the biggest advancements in the business energy market since deregulation.

The P272 regulation has enabled energy suppliers to produce more accurate, detailed and transparent billings by migrating businesses within a specified energy use from non half hourly meters to half hourly meters.

To this day, Half Hourly or HH meterings are used by energy-intensive sites such as warehouses, factories, and department stores to be able to manage their energy consumption smartly. This type of meter sends meter readings to energy suppliers every 30 minutes to ensure accurate billing.

It is required by law to have a half hourly meter installed for businesses that have regular peak load usage of electricity that goes above 100 kW in any 30-minute period. Thus, giving electricity consumers the reassurance that they will be paying the correct amount for their electricity consumption. However, if a business consumes energy during peak times, a higher bill is to be expected.

How Do Half Hourly Meters Work? 

Half Hourly Meters and regular meters work pretty much the same way: they record energy usage and consumption.

The only distinguishable difference is that Half Hourly meters automatically transmit overall and precise data to your current energy supplier every 30 minutes, which will then be stored for further analysis. This gives energy suppliers the ability to provide consumers with clear and accurate bills. 

Half Hourly Meters Provide More Accurate Data 

As opposed to domestic consumers and SMEs, Half Hourly meters and settlements provide businesses with the privilege of having access to more data about their energy usage, which can be used as an advantage to save money. 

You can use the historical data that you have collated to negotiate on a contract or even compare with competing contracts. You will have a much clearer idea of how much energy you use and when you use it the most; this will make it easier for you to map your business consumption and understand why your energy costs a certain way and how it can be reduced.

Do I Have a Half Hourly Meter?

You’ll be able to identify whether you have an HH meter or not by looking at the S number in one of your prior bills (it will look like the photo shown above). If the number (just to the right of the letter S) is 00, you have an HH meter. 

Are Half Hourly electricity prices expensive?

HH meter electricity prices are different from standard/regular prices due to several factors including contract terms, business location, time of year, and most especially the wholesale electricity market. The data will be customised to your usage. Prices will vary depending on the peak times of energy usage; both high demand and non-peak times (where electricity is usually cheaper).

The most common type of contract for a HH meter is a Fixed Price Contract.

Why You Need a Data Collector (DC) and a Meter Operator (MOP)

While your data is automatically transmitted directly to your business electricity supplier through a fixed phone line, you will still be required to work with Data Collector and Meter Operator agents; most electricity companies appoint these types of services. However, they might not be the cheapest option. You are free to arrange MOP or DC contracts with a different provider.

HH Meter Operators (MOP) manage the installation and maintenance of your meter. They ensure that any equipment is free from defects to be able to transmit your data without any complications whatsoever.

HH Data Collectors (DC), on the other hand, get access to all your data, manually collect them, then send the data over to your supplier. While we did mention that Half Hourly Meters pretty much does the job automatically, it’s still important to have someone accredited to carry out data collection and retrieve and validate the said data.

Can I find the best deal on Half Hourly Meter contracts?

Of course! You can find the best deals on HH meter contracts by using business energy comparison sites such as ours. We collect and compare business energy quotes based on your requirements from a variety of business energy suppliers in the UK.

We suggest you start comparing at least 6-8 months before your current contract’s end date. This is because switching suppliers, especially for HH contracts, might take a lot more time as it can be quite complicated compared to standard businesses energy contracts. 

Fill in our quote form above to get started!

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