How National Grid smart meters modernize home energy use

National Grid smart meters are reshaping how many US households see and manage their energy use, building on federal grid modernization efforts launched after the 2009 stimulus program US Department of Energy, 07/05/2023. In National Grid service areas, advanced meters support faster outage detection and more detailed usage data National Grid, 03/18/2024.

As of: 05/21/2026 | Reading time: approx. 8 minutes

By the AD HOC NEWS editorial team - specialized in product-focused market coverage.

What National Grid smart meters are and how they work

National Grid smart meters are advanced electric and gas meters that use wireless communication to send usage data back to the utility without the need for manual readings. They typically record usage in short intervals and transmit that information securely over a dedicated network US Department of Energy, 09/29/2022.

In practice, the meters measure how much electricity or gas a home or small business consumes and relay that information to National Grid operations systems. Depending on the program, customers can later see this data in charts and daily summaries through online portals or mobile apps, making it easier to track how appliances and habits affect their bills National Grid, 03/18/2024.

Compared to traditional analog meters, which typically record a single cumulative number read once a month by a meter reader, smart meters give a more detailed picture of energy use. The meters can support features like remote turn-on and shutoff, outage notification, and automated verification that power or gas service has been restored after a disruption US Department of Energy, 11/15/2023.

Core components of the smart metering system

A National Grid smart meter is part of a broader advanced metering infrastructure. At the customer site, the meter contains solid-state electronics and a communication module. This module connects to a neighborhood network, which can be based on radio frequency mesh or cellular technology, depending on the deployment and vendor used by National Grid FERC, 05/01/2020.

Data travels from local meters to a collection point, then back to National Grid data centers, where billing systems, outage management tools, and customer portals interpret the information. Security measures such as encryption and network segmentation are commonly used in AMI systems to protect usage and account information during transmission and storage NIST, 02/12/2022.

Why National Grid smart meters matter for US consumers and industry

For US households, National Grid smart meters can reduce the need for estimated bills, which are common when manual readings are missed. With automated daily readings, billing can more closely match actual usage, helping customers avoid surprises and identify changes in consumption patterns earlier Consumer Reports, 06/17/2023.

Another benefit is better visibility into how energy use changes over the course of a day. With interval data, customers can see how much energy is used during peak hours when prices and strain on the grid are typically higher. This kind of information supports programs that reward shifting laundry, electric vehicle charging, or other flexible uses to off-peak times US EIA, 04/26/2022.

For National Grid and similar utilities, advanced meters support faster detection of outages and more precise restoration efforts. When meters automatically report a loss of power, control centers can see which streets are affected without waiting for phone calls. This can shorten restoration times and improve safety for line workers and communities by reducing guesswork about where faults occurred US Department of Energy, 10/20/2023.

Privacy, security, and transparency

Smart meter deployments have raised privacy and cybersecurity questions, especially as more detailed usage data is collected. Federal guidance highlights the importance of limiting access to personally identifiable information, using strong encryption, and clearly informing customers about how data is used and shared FTC, 03/26/2024.

National Grid and other US utilities generally describe their smart meter programs, data practices, and opt-out policies on dedicated customer support pages, reflecting state-level regulatory requirements and oversight. Customers in some jurisdictions may be able to request a non-communicating meter, subject to local rules and potential fees set by regulators.

National Grid smart meters in the US and global market

Advanced metering has expanded rapidly across the United States. The Federal Energy Regulatory Commission reported that, by year-end 2021, advanced meters accounted for more than half of all US electric meter installations, with millions of additional units planned in utility filings FERC, 12/21/2022.

Within this broader shift, National Grid smart meter rollouts align with state-level grid modernization goals in Massachusetts, New York, and Rhode Island, where regulators have supported advanced metering to enable time-varying rates and better integration of distributed resources such as rooftop solar and battery storage Massachusetts DOER, 01/10/2024.

Globally, utilities in Europe and parts of Asia also deploy smart meters as part of efforts to improve reliability and support renewable energy integration. National Grid operates both in the US and UK, and experience from early smart grid pilots can inform how newer US deployments handle customer engagement, data access, and coordination with regulators.

• Near real-time electricity and gas usage data for many customers in National Grid territories
• Remote meter reading and service connection reduce truck rolls and manual visits
• Supports time-based rate plans and demand response programs where approved by state regulators
• Helps utilities spot outages and voltage issues more quickly across neighborhoods
• Raises important questions about data privacy, security, and customer choice

Frequently asked questions about National Grid smart meters

Do National Grid smart meters change how much I pay for electricity?
On their own, smart meters do not change rates. They record usage more frequently, which can support new rate plans approved by regulators, such as time-of-use pricing, if customers enroll where available.

Can I see my detailed energy use with a National Grid smart meter?
In many service areas, customers with smart meters can log into online portals to see daily or interval usage charts, helping them spot trends or unusual spikes and adjust habits accordingly.

Are there health or safety issues with smart meters?
Federal agencies note that radio-frequency exposure from smart meters is typically well below established limits for residential devices, and meters must comply with FCC regulations for wireless equipment used in homes.

National Grid plc is the utility group behind National Grid smart meter programs in the United States, where it serves electricity and gas customers in parts of the Northeast alongside its UK transmission and distribution operations.

National Grid plc is listed in London, and its shares also trade in the United States through American Depositary Receipts. The issuer identification for the group includes the ISIN GB00B03MM408 used in capital markets.

Disclaimer: This article does not constitute investment advice. Stocks are volatile financial instruments.