Tesla – Charge on Solar

Tesla – Charge on Solar

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With Charge on Solar, your Tesla vehicle can charge using only excess solar energy produced by your solar system. Using excess energy to charge your electric vehicle maximises the value of your home’s solar system. Use the Tesla app to set Charge on Solar limits and have your vehicle charge using extra solar energy. This set up works with ANY EV Charger, you don’t even need a Tesla Wall Connector!To use this feature, you need the following hardware and software at a minimum:

Hardware Software
Model S, Model 3, Model X or Model Y* 2023.32 or Higher
Powerwall with solar on site 23.12.10 or Higher
Tesla app 4.30.5 or Higher
*2012-2020 Model S and 2015-2020 Model X are not eligible for this feature currently.
The following Powerwall modes work seamlessly with Charge on Solar:

  • Storm Watch
    Powerwall will prioritise charging from any source to prepare for an outage during severe weather events before allocating any excess solar power for vehicle charging.
  • Backup Reserve
    If your Powerwall’s stored energy is below the Backup Reserve, your Powerwall will prioritise charging to the set Backup Reserve percentage before allocating any excess solar power for vehicle charging.
  • Self-Powered
    With Self-Powered, Powerwall will allow your Tesla vehicle to charge on excess solar until the set charge limit while covering changes in home loads and solar production until the vehicle adjusts its charging power. Once the vehicle has met its charging limit, your Powerwall will charge on excess solar as usual. This is the recommended mode to maximise Charge on Solar operation with your vehicle.
  • Time-Based Control
    With Time-Based Control, Powerwall stores energy when energy costs are low and may sell that low-cost energy back to the grid when energy costs are higher instead of using the excess solar energy for Charge on Solar. You may also see this behaviour during Virtual Power Plant or Utility Program events. In most cases, you will see the vehicle pause charging during Peak to prioritise total savings or charge your Powerwall from excess solar while charging your vehicle during Off-Peak from the grid.
  • Go Off-Grid
    When Powerwall is off-grid, your Tesla vehicle will continue to charge on excess solar unless Powerwall prioritises saving energy for home use during the outage.

Note: Certain Powerwall modes may not be available in your country at this time.

 

Naked Solar are proud to be a Tesla Premium Certified Installer – meaning our work and customer service are of the highest quality.
Finance & Growth Director | Certificate in Company Direction (IoD)

Shelley Sampson is a founding member of the Naked Solar team, having played a pivotal role in the company’s evolution from a startup to a leading force in the renewable energy sector since 2010. As the Finance and Growth Director, Shelley combines strategic financial oversight with a deeply rooted passion for ethical business practices.

Expertise & Professional Background

Before dedicating her career to solar energy, Shelley spent several years working within the oil industry. This unique background provides her with a comprehensive understanding of the global energy landscape and the critical importance of the transition to sustainable power.

She studied Business Studies at Leeds Metropolitan University, which laid the foundation for her analytical approach to business scaling and operational excellence.

Leadership & Credentials

Shelley is committed to professional governance and high-level leadership. She attended the prestigious Institute of Directors (IoD), where she earned her Certificate in Company Direction, specialising in:

  • Strategic Business Growth
  • Financial Oversight
  • Corporate Governance
  • Organisational Leadership

A Customer-First Philosophy

While her title focuses on finance and growth, Shelley’s core mission is centred on the customer experience. Having been involved in the business since its inception, she is a fierce advocate for consumer rights within the renewables industry. She ensures that every Naked Solar client is treated with transparency and respect, overseeing a culture that prioritises high-quality installations and long-term system performance over short-term gains.

 

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