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Frequently Asked Questions

Electric Vehicle Supply Equipment (EVSEs)

Are permits required for EV charger installation?

Yes, local codes must be adhered to and all work must be inspected by the local AHJ.

What incentives and tax benefits exist for businesses interested in EV charging stations?

We are a member of WI Clean Cities. Wisconsin Clean Cities is a 501(c)(3) nonprofit organization managed by Legacy Environmental Services, Inc., an Indiana Certified Women’s Business Enterprise. Established in 1994, Wisconsin Clean Cities is one of the U.S. Department of Energy’s more than 75 Clean Cities coalitions. The organizations support the nation’s energy and economic security by building partnerships to advance affordable domestic transportation fuels, energy efficient mobility systems and other fuel-saving technologies and practices.

Wisconsin Clean Cities lives its mission through education and outreach, training, project management, grant and funding acquisition and the development of stakeholder partnerships.

Current funding opportunities are as follows:

Public Service Commission of Wisconsin – 2021 Energy Innovation Grant

Announced on October 15, 2021, the 2021 Energy Innovation Grant has $10 million available for renewable energy, energy efficiency and energy planning projects. Applications are due January 14, 2022.

Application Period Open for DOE Communities LEAP (Local Energy Action Program)

Last month, U.S. Department of Energy Secretary Jennifer Granholm introduced Communities LEAP (Local Energy Action Program) – a new pilot initiative to support communities currently experiencing either direct environmental justice impacts, or direct economic impacts from a shift away from historical reliance on fossil fuels. Under this pilot initiative, DOE will provide technical assistance services valued at up to a total of $16 million to support 24-36 communities to develop their own community-driven clean energy transition approach.

RENEW Wisconsin’s EVs for Good Program Accepting Applications

RENEW Wisconsin is happy to announce EVs for Good, a new grant program created to foster the expansion of and transition to electric vehicles among nonprofits in Wisconsin. EVs for Good will reduce the upfront costs of purchasing an electric vehicle while reducing vehicle maintenance costs and transportation emissions.

EVs for Good will offer grants for 20% of the cost of an electric vehicle, with a maximum grant of $5,000. Larger grants, capped at $10,000, are available for organizations seeking to purchase an electric van or bus. In addition, $500 grants are available for organizations who choose to install Level 2 (or higher) electric vehicle charging equipment.

Other funding opportunities are also available. Please contact us for more information.

Are there different charging standards, connection types or battery types for different EVs? Which standards are supported by Inertial Electric?

Level 1 chargers are the slowest, but they are also ubiquitous and work for some people’s needs. Level 1 is the EV community’s word for a regular 110-120 volt (V) wall outlet. That’s the same voltage you’d use to power most of the stuff in your house, from a floor lamp to a microwave to a phone charger. It would take about 40 hours to fully charge a battery from empty at a Level 1 charger, at a rate of about 5 miles of added range per hour of charging. This is not ideal: we avoided using Level 1s and avoided letting our battery run close enough to empty that we would need one.

Level 2 chargers are much better at EV charging than a regular old wall outlet and. They are 220-240 V—that’s the same voltage as a standard-size electric clothes dryers that can be found in some homes. Level 2 chargers typically charge at a rate of about 6 kilowatts (kW), that means a Level 2 charger can add about 25 miles of range per hour of charging. Filling up the whole battery from empty would take around 9 hours.

Level 3 chargers are also referred to as fast chargers, DCFC chargers, and DC fast chargers. They are 400 V or more, and typically charge at a rate of 50-60 kW, but can charge up to 350 kW. This means a battery could fill up from empty in 1 hour and 20 minutes or less at higher kW.

Different kinds of EVs also have distinct charge ports, which are like outlets on the car. This means that the shape of the plug you connect to your EV to recharge it varies as well. There are three classes of plugs, also referred to as connectors: CCS (which stands for combined charging system, also known as SAE Combo or Combo), CHAdeMO, and Tesla. The plug shape varies by make for Level 3 charging only. All EVs sold in the U.S. after 2000 use J1772 plugs for Level 2 charging.

Inertial Electric will accommodate requests for level 2 and 3 chargers.

Do EV chargers come with charger management software? Will Inertial Electric guide clients through alternative management software choices?

Yes, both come with preloaded software and can operate out of the box with no additional software required. They are both open architecture and can operate 3rd party software as well.

Inertial Electric will guide the end-user in deciding which option best suits their application.

Will Inertial Electric offer estimates for installation cost, charging costs, or projected revenue streams?

We can cite examples of cost for a point of reference for financial expenditures and ROI. Installation cost can be verified, however ROI can not be guaranteed.

Are chargers sold separately from installation/commissioning?

They can be, however Inertial Electric has factory-trained technicians and installers to ensure a problem-free installation.

Are spare parts sold separately from maintenance service?

Spare parts can be sold separately or as part of an extended warranty or maintenance package included with the upfront cost.

How long does it take to fully charge an electric car?

Typical Range*
3.7kW slow
7kW fast
22kw fast
43-50kw rapid
150kw rapid
Nissan LEAF (2018)
143 miles
11 hrs
6 hrs
6 hrs
1 hr
Can't charge on this kind of charger
Tesla Model S (2019)**
238 miles
21 hrs
11 hrs
5 hrs
2 hrs
<1 hr
Mitsubishi Outlander PHEV (2018)
24 miles
4 hrs
4 hrs
4 hrs
40 mins
Can't charge on this kind of charger

* This is the maximum distance we’d be confident driving on electric power between charges. Real range will depend on various factors including driving conditions, personal driving style, outside temperature, heating / air conditioning, etc.

** Numbers shown are for the entry level Tesla Model S Standard Range.

*** Charging time may be limited by the maximum charging rate of the electric vehicle.