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Why eParking solar ?

Understand Critical Aspects of the Energy Transition

Impact of Buildings on CO2 Emissions

Energy consumption in buildings frequently originates from fossil fuels, failing to align with CO2 reduction goals.

Electric Vehicle Charging

A shift to electric vehicles necessitates the utilization of clean electricity and expansion of accessible public charging facilities.

Challenges with the Grid

The growing affordability of renewable energy sources often faces hurdles due to the limitations of the existing electrical grid capacity.

Volatility in Energy Prices

The unpredictability of energy costs poses significant challenges in forecasting and maintaining financial stability

How is eParking Solar addressing these issues?

Car Parking lots are already urbanized spaces and located close to buildings. The all-in-one eParking solar module developed by Tonomia, produces solar electricity and heat to feed surrounding buildings, stores excess electricity in Sodium-ion batteries, to fast charge eVs or balance the grid, while recovering rainwater for sanitary usage or car washing.

The eParking Solar module stands out with eco-friendly materials, AI-driven quality control, and user-friendly interfaces, setting a new standard in sustainability and innovation for parking solutions.

Let’s explore its remarkable features

All-in-one solar module eParking solar

The all-in-one eParking solar modules will revolutionize parking infrastructures by integrating sustainable energy and advanced technologies whilst offering high revenues for parking operators and comfort and convenience for vehicle owners.

Ultra-modular, flexible and cost-effective the eParking module has been designed for 2 to 4 parking spaces and can be deployed independently in any quantity for full terrain coverage, unlike our competitors who need a redesigned batch system.

eParking Solar is subject to pending patents with more than 250 innovative elements 

What exactly does an eParking Solar module contain?

solar panel

Photovoltaic panels

eParking uses state of the art photovoltaic panels from proven brands in terms of reliability and efficiency. The 4 place solar module has 16 panels which are pre-assembled in the factory in strings of 4 including the heat recovery system. This operation process helps to solve 3 significant issues of classical solar panel installation:
  1. Installation Time:  The use of lifting equipment to install the solar panels protected by design make the installation very fast
  2. Handling difficulty: eParking solar assembly is easy for handling and less harmful for workers : Use of equipment helps workers to carry heavy panels without pain. This is the reason why in Germany only panels less than  2 sqm are allowed. A requirement made irrelevant by eParking Solar .
  3. Risk of pedestrian safety under Solar canopies: This is not an issue with eParking installations, as each solar module sits above the heat recovery board playing the role of a roof to protect pedestrians underneath. The Germany design code asking for specific Solar panel design IS again irrelevant with eParking Solar.
In terms of performance, eParking can reach up to 10 kWp power thanks to the 16 panels, and an annual production of approximately 10 to 15 MWh. Exact output varies accordinng to geographical location. In the context of Belgium, this solar production is equivalent to meeting the energy needs of approximately 2.5 households.
heat recovery

SolarHeat recovery

Heating can account for up to 37+% of greenhouse gas emissions in a country (UK for example).

Solar panels transform solar energy into 20% electricity and 80% heat.

10 kW electricity means 30 kW potential heat recovery or 30 MWh/year (3,000 L fuel equiv.). Solar boilers were actually the most used equipment to harvest energy before affordability of photovoltaic panels.

Even though the thermal energy production is much higher in summer where space heating is not required , It has been proven that sun heat could cover up to 50% of home heating needs at a fraction of the cost of conventional solutions.

This is why eParking is designed with a very smart heat recovery system combining non-metallic materials (wood) and vacuum insulation panels and avoids the need for sophisticated liquid solutions with mitigation energy losses in the way.

Sodium-ion Battery

Sodium-ion Battery

Battery storage is at the heart of eParking innovation. Not only does the battery store excess energy and release it later after sunset or on demand but, as mentioned above, the batteries enable fast charging without upgrading the grid. eParking Solar uses high energy density chemistry with a focus on Sodium ion as lithium scarcity may lead to price rises and sourcing limitations. Sodium (salt source) storage batteries are less reling on scarce material. In addition eParking Solar batteries are servicable at cell level and fully  integrated inside the main pillar to optimise the cost. Each battery cell is controlled by BMS and each battery is monitored by 80 temperature sensors for thermal management and detection of any hot spot. All the data is accessible live via a digital platform. The battery temperature is kept at optimal levels thanks to a water reservoir inside the solar module. In terms of performance, the capacity of the battery can reach up to 160 kWh. Which is equivalent to daily electricity consumption of 15 households or 30 cars.
fast charging

Fast DC charger

Fast DC chargers face four major issues.

1: They require high power grid which IS not always available;

2: They are extremely expensive (1000 to 1500 USD/kW);

3: They are very noisy during high temperature conditions;

4: They are often not reliable.

eParking tackles all the above issues:
  1. By storing energy in high capacity batteries at low charging speed and release the accumulated energy to vehicles at high charging speed.  No need to high capacity grid connection
  2. By integrating smartly the charger components inside the eParking module and avoid any ground routing, the costs of system and installation are reduced dramatically.
  3. & 4. Liquid-cooled Fast charging makes chargers Noise-free and double their service life, compared to current chargers. Smart system engineering helps to offset the oncost of liquid cooling technology.

eParking Solar chargers can be setup in different configurations:
  • 4 x 30 kW DC: This version could simultaneously charge 4 cars in 2 hours. Average vehicle consumption in EU is 30 kWh/week. This version is therefore ideal for shopping centers in Europe where customers could charge their car for 1 week drive during 1 hour spent shopping.
  • 2 x 60 kW DC : This version could charge 2 cars in 1 hour. It is  ideal for supermarkets in the USA where customers could charge their car for 1 week while spending 1 hour shopping. The average vehicle consumption in the US is 60 kWh/week
  • 1 x 120 kW DC: This super fast version could charge 1 vehicle in 30 min. This module is ideal for location where ultra fast charging is required. Parking close to motorway, Airports, Train stations.
  • 2 x 11 kW AC charger: eParking offers of course this option where vehicles stay long hours, like offices and factories
  • No Charger : Given the current electrification fleet, not all eParkings modules will be equipped with chargers. However as an eV fleet  grows, more modules will be upgraded in a plug & play way.
Rainwater

Rain Water Harvesting

Water scarcity is one of the major threats of the future. Water distribution can be also very energy consumming during collection, processing and distribution. One cubic meter could require as much as 1kWh energy.  It is for the reason that more and more countries in Europe are making water harvesting mandatory in new constructions. With 750 mm/sqm rainfall / year in Belgium for example, a 4 place eParking could harvest up to 40 m3/ year. The water can be used for adjacent building or for car wash . Each module could collect water equivalent to the quantity required to wash 600 cars a year!
Tonobox Control

All in one Smart Box

eParking solar is controlled by the all in one smart Tonobox (patent pending)  that includes 2 raspberry pi computers and more than 10 protocols
  1. CAN Bus: to communicate with inverter, battery chargers,
  2. Modbus: to control lighting and car presence detection or any RS485
  3. I2C Interface is used to control the thermal cameras
  4. Relay Control System: to control the heating cables
  5. MOSFET Control: to activate the water pumps
  6. PWM (Pulse Width Modulation):  to control the ventilation fan speeds
  7. WiFi: to connect devices to the network servers
  8. 4G/5G Networks: to communicate with chargers and when internet is not available via wifi
  9. HDMI : to connect the Tonobox to the display screen
  10. USB : to connect to a computer.

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