Understanding smart electric meters
Revolutionizing how energy usage is monitored for greater convenience, efficiency and potential cost savings
Understanding smart electric meters
Revolutionizing how energy usage is monitored for greater convenience, efficiency and potential cost savings
Smart electric meters and smart meter networks provide the ability to monitor and manage energy consumption, providing detailed and precise data on how electricity is flowing into a location. Data about inflows and outflows of energy can empower consumers and utilities alike to optimize their energy practices, akin to a city government responding better to traffic flows after receiving exact data on the number of cars each time of day.
At Reliant, we're here to help you understand the functions of smart meters, and their benefits and potential drawbacks.
Smart electric meters record electricity consumption in real time or close to it, sending this information back to the utility where it can be used for billing or even just data-gathering. Smart meters communicate data automatically, distinguishing them from traditional meters which are read manually.
The richer data from smart meters enables more detailed energy consumption information and supports managing the electricity grid more efficiently.
Smart meters and smart meter networks can add value in both residential and commercial settings.
Smart meter programs provide insights into when and how electricity is used, which is information that can help residential and business customers adjust habits to save on costs. Some electricity plans, for example, offer discount rates during certain hours of the day. Knowledge of usage patterns can help you arrange your schedule to take advantage of lower rates.
Bills based on smart meter data are calculated with information more reflective of actual usage, which helps in avoiding discrepancies. Traditional meters tend to operate on estimation of this data.
Read more about how this information appears on your electric bill here.
Renewable sources can be more easily integrated into systems with smart meters, which ultimately can reduce greenhouse gas emissions.
Smart meter rollout is the object of concern over a few prominent issues.
Privacy — Data collected by smart meters is sensitive, requiring good-faith practices by any company using the data.
Health — Discussions surround radio frequency exposure from the meters' communication systems, although studies typically find these levels to be well below international safety standards.
Cybersecurity — As with any connected device, there is a potential risk of hacking, which utilities can guard against through stringent security measures.
The main difference between smart meters and regular meters is communication capabilities. Regular meters require physical reading; they don’t provide the level of day-in-day-out data smart meters record. Smart meters automatically send detailed usage data to the utility, enabling features such as time-of-use pricing and real-time usage analysis.
There are also environmental and economic considerations.
You can read up on further industry terminology around meters and the information they generate using our glossary of industry terms here.
Want to learn more about how electricity is generated and how your usage is measured? Visit our Understanding Electricity page.
Reduced greenhouse gas emissions: Smart meters can facilitate greater integration of renewable energy sources into the power grid.
Because renewables like wind and solar are dependent on fluctuating weather conditions, real-time data on energy consumption from smart meters helps balance and optimize their usage. Making it easier to deploy renewable energy sources means reduced reliance on fossil fuel-powered plants.
Energy efficiency: Smart meters can help identify energy waste by providing detailed, real-time insights into consumption patterns. You can adjust home energy usage based on this data, leading to direct reductions in consumption. For instance, knowing the peak times for energy usage can encourage you to run high-energy appliances like washers and dryers during off-peak hours. Or you may notice a pattern of leaving your HVAC running during routine outings away from home, a time when adjusting thermostat settings can make a big difference with energy consumption.
Support for demand response programs: Retail electricity providers are rolling out demand response programs to incentivize reducing energy use at peak times.
One example is the Reliant Degres of Difference with Smart Thermostats program.
In exchange for a financial credit, customers on these plans reduce their electricity use when notified, helping to avoid grid overloads and reduce the necessity for additional power plants. Smart meters make these programs possible by enabling precise monitoring and control of energy usage.
Smart meter programs allow utility companies to monitor the grid in real time, quickly identifying and addressing issues like power outages or surges. This not only reduces maintenance and operational costs but may help extend the lifespan of the grid. Improved grid efficiency translates to lower operational costs, which can potentially lower energy costs for everyone.
Eliminating the need for manual meter readings saves utilities significant labor costs and reduces human error.
Smart meters can act as a gateway for other home technologies, including systems for reducing energy use during peak hours or optimizing HVAC usage based on real-time energy cost data.
The rollout and ongoing management of smart meter systems across utilities has the potential to generate new jobs in technology, data management and grid maintenance sectors.
Smart meter programs are gaining in popularity. Reliant is using data delivered by smart meters for programs that can benefit customers.
In the United States, smart meter rollout has generally been robust, driven by federal funding and policy initiatives. A significant portion of U.S. households currently have smart meters, making it possible for utilities to leverage the technology for improved grid management and customer engagement.
Improvements to the security of smart meters are generally underway, and advancements in low-power radio frequency systems and encrypted communications aim to mitigate health and security concerns.
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