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CONTEXT: Net metering regulation, such as on introduced in Brazil (No. 482/2012) unlocks a vast potential for decentralized small-scale photovoltaic (PV) electricity generating plants. Business and individuals can buy/rent solar panels, and attach meters to them that calculate production and consumption of electricity per customer.

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STATUS QUO

Change in the customer buying/renting the PV panel requires physical moving of the meter and re-provisioning of data in legacy system.

LIMITATIONS

• Additional use of time and labour resources
• Costs are born by the energy company

RIDDLE&CODE SOLUTION

Attach non-removable crypto tag to the meter provisioned with meta data of the meter and personal data of the consumer, which is stored on the blockchain.

BENEFITS

• Consolidates the digital identity of the meter and the customer
• Flexibility/scalability: meters could be easily re-provisioned by the customer
• Increases efficiency of customer-related processes (connection to the meters, change of ownership, etc.)
• Verification of the meter (smart and/or regular) can be done by any N FC device, e.g. smartphone

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STATUS QUO

Energy distributors use their existing legacy systems to handle net metering process.

LIMITATIONS

• Additional functionality puts pressure on the legacy system
• Interconnectivity issue – different parties involved in energy production, energy transmission and energy consumption

RIDDLE&CODE SOLUTION

Net metering process (netting between energy produced and consumed) is done on the blockchain.


BENEFITS

• Alleviates pressure on the existing IT legacy systems.
• Increases efficiency of customer-related processes (connection to the meters, change of ownership, etc.)
• Verification of the meter (smart and/or regular) can be done by any  NFC device, e.g. smartphone

 
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The crypto tag is attached to the meter (next to the reading window). Immediately after, it gets provisioned* and attested** on the blockchain with relevant metadata, fingerprint from the owner + his/her telephone number.

The user downloads the App.

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Every last day of the month the owner of the meter:
1. Scans the tag with his/her phone
2. Takes an image of the consumption data (image also shows the tag)
3. Types in the consumption data
4. Send the data to the blockchain backend

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Reconciliation process happens on the blockchain:
1. Energy produced (considering specific stake of power plant rented or bought)
2. Energy consumed
3. Distribution fee

Instant settlement of outstanding bills.

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The crypto tag is attached to the smart meter (next to the reading window). Immediately after it gets provisioned* and attested** on the blockchain with relevant metadata. +

Development of REST API.

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A copy of all energy production data stored on the utility company database is stored on the blockchain, using the REST API.

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Reconciliation process happens on the blockchain:
1. Energy produced (considering specific stake of power plant rented or bought)
2. Energy consumed
3. Distribution fee

Instant settlement of outstanding bills.

*Process by which the key pairs are created. **Process by which the public key of the crypto tag is registered on the blockchain of choice.

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