如果你是夏洛特家的, 考虑购买电动汽车的北卡罗来纳州居民, 你可能在想充电的后勤问题. 对于初学者来说, you’re likely poring over maps that list the public places where you’ll be able to charge your EV. 然而, there’s a good chance you’re also considering installing a Level 2 EV charger in your home. That naturally begs the question — is it cheaper to charge your EV at home or using public chargers? 这里有一个结论性的答案.
平均收费成本
The simplest way to answer the question of where it’ll be cheaper to charge your EV is by looking at the cost of residential electricity vs. 大多数充电站的成本. 根据最近汇编的充电站数据, public EV chargers here in North Carolina averaged an electricity cost of 12.每千瓦时97美分. For comparison, the average home here pays an electricity rate of just 11.每千瓦时17美分.
如果你考虑到普通电动汽车司机使用大约4,310.65 kWh per year to keep their EV charged up, you can start to see the difference between those costs. Using that figure, you’d spend about $559 every year using public charging infrastructure. 在家里,你的花费将降至481美元左右.50. While that’s not a huge difference, it will add up over the lifespan of your EV.
其他需要考虑的因素
So, 在所有条件都相同的情况下, it should always be cheaper to charge your vehicle at home than on the road. 然而, there are plenty of other factors that might change the equation. 这就是它们.
充电站专用成本
The first thing to consider is what public charging stations you plan to use. 例如, there are an estimated 232 charging stations in the Charlotte area that won’t cost you anything to use. 问题是,它们中的大多数都是一级充电器. 用那些充电器, it could take up to 30 hours to fully charge the average EV from a depleted state. 然而, there are also approximately 24 free-to-use Level 2 chargers that would cut that time significantly. Unfortunately, you may have to wait to use them because of their understandable popularity.
You’ll also find that when it comes to pay-to-use Level 2 and 3 chargers, 你支付的价格可能会有很大的不同. Some charging station networks require paying a membership fee on top of a per-kw/h charging rate. 在某些情况下, it could cost you up to three times what it costs to charge your EV at home if you use a public Level 3 charger. That could make economic sense when you consider how much time a Level 3 charger could save you. Using a Level 3 charger, you can give your EV a full charge in as little as 30 minutes.
您的实际住宅电费
Another thing to think about is what your home’s actual electricity cost is. 因为你可以从各种各样的供应商那里买到更划算的东西, 你的利率很有可能低于11.州平均每千瓦时17美分. 如果是这样,这将进一步降低你的家庭充电成本. At times, there are energy providers offering electricity plans for as low as 9.在夏洛特,每千瓦时47美分.
家用充电器的技术
如果你在家里安装了2级充电器, 它可以在很多方面节省你的时间和成本. 一方面, a Level 2 charger will allow you to charge your EV at home from empty to full in as little as eight hours. That means you won’t have to deal with range anxiety, no matter how far you drive each day. Just plug in your EV when you get home, and it’ll be fully charged by morning. And a Level 2 smart charger could have some other tricks up its sleeve.
例如, Level 2 smart chargers often give you the ability to exploit time-of-use electricity rates. Those are special rate plans from electricity suppliers that give you deep discounts on electricity at off-peak times. With most suppliers, you’ll find that off-peak times align quite well with your EV charging needs.
In most cases, there are two daily off-peak periods during the winter. 有一班从中午12点开始.m. 到5点.m., which is perfect if you’re able to come home for lunch and give your EV a boost. 第二班车从晚上8点开始.m. 到6岁.m.这里非常适合通宵充电. 在夏天,有一个很长的非高峰时段,从晚上8点开始.m. 到11点.m. 每一天.
A smart charger will restrict your charging capacity during peak times to prevent you from running up a huge electricity bill. 然后, they’ll ramp up to full capacity at off-peak times to maximize the benefits of the cheaper rates.
你的电力供应来源
Finally, you should consider where your home gets its electricity from. 例如, 如果你拥有或计划安装太阳能发电系统, 你的电动汽车充电成本可能会大幅下降. 这在与使用时间率相结合时尤其有效. That’s because solar panels produce most of their power during peak electricity usage periods. So, if you charged your EV during the day with a solar system installed, 你的收费可以完全免费. 然后 you could still take advantage of reduced nighttime electricity rates from your grid provider when necessary.
找到合适的平衡点
此时此刻, it’s worth pointing out that very few EV owners end up charging their EVs exclusively at home or using public chargers. 这取决于你如何使用你的车, 你的情况可以决定你充电的时间和地点. So, to figure out an estimate of how much it might cost you to charge your new EV, 你需要检查你如何使用你现有的车辆.
You can start by estimating the hours that your car sits at home and could be charging. 然后,检查你每天使用汽车的情况. If you drive it to and from work, look for charging stations near your job and along your route. Next, look at their rates and estimate how often you think you’ll need to use those stations. That should yield a somewhat accurate real-world estimate of what your charging costs might look like.
您的住宅电动汽车充电专家
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