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How electric vehicles affect the grid

Last year saw a record increase in electric vehicle (EV) sales, and experts predict that by 2035, some vehicle manufacturers will produce electric models only. 


A 2021 study by the Department of Energy showed that increased electrification, or replacement of direct fossil fuel use with electricity, would account for a 38% increase in electricity demand by 2050  — and EVs will play a major role in this increased electrification.


The need for more electricity will have a major impact on the nation’s grid, which means power supply and grid infrastructure must be carefully planned to accommodate the increased need for electricity. 


EV charging presents new challenges in maintaining the electric grid. Fully charging an EV battery requires the same amount of electricity needed to power a home during peak energy use times. However, EV charging is a concentrated pull of energy over an extended period, which can add stress to the local power grid by increasing the amount of electricity a utility has to provide. Additionally, the neighborhood transformer needs adequate capacity to handle the increased load. EV charging can shorten the lifespan of transformers by straining and overloading their capacity if they are not matched to a neighborhood’s energy needs. 


Electric cooperatives are currently identifying ways to manage this new pattern of electricity use, though exact strategies will vary based on each utility’s unique needs. Analyzing energy load patterns or identifying where and when the local grid has spikes in demand can provide electric co-ops with data on where to place higher-capacity transformers. This analysis can also provide a picture of overall energy use and patterns to help forecast energy consumption for the future. Planning system maintenance and upgrades are also part of that long-range forecasting; however, this has been recently complicated by supply-chain issues with transformers, with wait times that can be upwards of one year. 


EV owners can play a role in reducing energy costs and system stress associated with charging. Check with your local electric co-op to see if they offer an EV charging rate. Typically, an EV rate incentivizes charging during the night, when electricity demand and wholesale energy rates are lower. Charging at night is also a great way to ease demand in your neighborhood, even without a special EV rate. Check out our Electric Vehicle Calculator to see if one is right for you.


Another potential change on the horizon is a new energy peak time. EV drivers that plug in to charge as soon as they return home from work would create even more electricity demand during this busy time of day. But if EV drivers use a timer to schedule charging at night, the electricity demand could be spread over a longer period to reduce stress on the grid. This would be especially beneficial for neighborhoods with multiple EV drivers. 
EVs are only expected to increase in number. Electric co-ops and EV owners both have roles to play in accommodating increased demand. If you own an EV, let your electric co-op know so they can better plan energy demand for you and your neighbors. 

Questions?

PPEC's energy advisor, Peter Niagu can help answer those. Give us a call at 800-686-2357.

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Blog Teaser

Blog Teaser
How does owning an electric vehicle affect the nation's energy grid? Find out how electric cooperatives are working to manage this concern.
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  • My Home
    • Start/Stop Service
    • Payment Options
    • SmartHub
    • Rates & Billing
    • Capital Credits
    • Bill Payment Assistance
    • Disconnects/Service Limiters
  • My Business
    • Online Bill Payment
    • Rates & Billing
    • Start Commercial Service
    • Capital Credits
    • Economic Development
    • Peak Load Management
    • Rebates
  • My Energy
    • Renewable Energy
    • Energy Calculators
    • Electric Vehicle Calculator
    • Rebate Programs
    • OurSolar
    • Home Energy Audits
    • Beat the Peak
    • Radio Control Switches
    • Energy Efficiency Projects & Tips
  • Programs
    • Operation Round Up
    • Co-op Connections
    • Outdoor Lighting Rentals
    • Youth Programs - Bright Futures
    • Scholarships
    • Youth Tour
    • Family Month
    • America's Electric Cooperatives | PAC
  • Events
    • Solar 101 Q & A Event
    • Member Appreciation Day
    • 2023 Annual Meeting
    • Cybersecurity and Energy Efficiency Town Hall
  • News & Magazines
    • Ohio Cooperative Living
    • Indiana Connection
    • Local Magazine Archive
    • Member Newsletter
    • Co-op News Updates
    • Empowered Blog
  • Safety
    • Storm Preparedness
    • Safety Tips
    • Tree Trimming
    • Safety Demos
  • Outages
  • About PPEC
    • Contact Us
    • Co-op History
    • Board of Trustees
    • Run for the Board
    • Retail Energy Choice
    • Official Records & Terms
    • Territory Maps
    • Employment
    • Website Privacy Policy