Adderra electricity submetering
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Solution for hotels and landlords of rental accommodation

Table of contents Briefly about us Solution for hotels and landlords Adderra basic configuration Payments via ADDERRA smartphone application Payments via KEY FOB Key stakeholders How it works Commercial value ADD Grup & Adderra Our Products Case of hotel “Amor de Helene” Contact

Adderra is an individual sub-metering system for measurement of electricity and water with integrated billing and payment platform. Adderra is… The solution involves the use of certified hardware (electricity and water meters) and an online marketplace with smartphone application. The marketplace enables sales of tokens for electricity and water in pre-and post-payment or in preset credit limits mode.

Solution for hotels and short-term accommodation So, your tenants will be able to consume only the utilities they have paid for through Adderra allows to separate the price application. for utilities from accommodation fee. Thus, our service motivates hotel guests and tenants to rationalize their consumption behavior.

Adderra gives you the opportunity to avoid unpaid bills left by tenants. Solution for long-term landlords If a tenant does not pay for water and electricity, Adderra will cut off the supply. Therefore, landlords have three options to make tenants pay for the resources: prepayment/postpayment mode or on a preset credit limits mode.

ADDERRA Basic configuration Cloud-based ADDERRA backend Vending software developed and hosted by ADD GRUP. 2 types of payment for electricity and water : • ADDERRA smartphone application • Smart key fob Electricity Meter and Ultrasonic Water meter with BLE communication channel

*Landlords can switch the way a tenant pays for the utilities changing easily configuration in their app's profiles

Key fob payment mode is an option for those tenants who wish to pay for the water and electricity by cash. In a such way, tenants pay landlord the certain amount of money they are going to use in cash and landlords, in their turn, generate tokens via application and transform these tokens to the key fob through Bluetooth. Then, tenants activate the meter, sending the token from the key fob through Bluetooth connection as well. Key fob payment mode also supports prepayment, postpayment and present credit limit.

➢ 1. Adderra Marketplace developer ➢ 2. Marketplace operator Adderra’s licensee ➢ 3. Hotel owners and Landlords ➢ 4. Guests and Tenants ➢ 5. Payment platform Stripe

How it works Stages 1-2 Stage 1. Hotel/Landlord on-boarding Marketplace operator installs electricity and water meters in accommodation Landlord /Hotel registers in Adderra marketplace with PayPal/Stripe account 3 3 Individual set-up of prices for electricity and water if necessary Stage 2. Guest/Tenant check-in and payments Guest/Tenant checks-in by scanning QR code of a meter via Adderra smartphone application and starts using electricity and water. By agreement with hotel/landlord payments can be made either in pre-/ post-payment or in preset credit limits mode. Transactions are...

Stage 3. Guest/Tenant check-out As the rental period is over, Guest/Tenant will check-out and will request refunding for the unused amount of money, if there is such. If the amount of money is blocked on the If the transaction has been completed and credit card, the Payment System will money distributed earlier, the unblock it automatically. landlord/hotel will process the refund manually through ADDERRA application. Stage 4. Cash flow ADDERRA marketplace distributes money from transactions to Landlord’s/Hotel’s Stripe account excluding fees charged by Stripe and Marketplace.

Profit generated through: - sales of electricity and water meters to landlords - provision of installation services and after sales support Reduction of rental fees through removal of overestimated costs for electricity and water Avoidance of overconsumption and unnecessary spendings Rational management of utilities consumption No need to change the contracts with utility company from landlord to tenant Only consumed resources are paid Fair price without overestimations Transparent and safe payments - commissions from transactions between tenants and landlords for sales/purchase of tokens...

Adderra is the project of Certification of Ultrasonic Smart Water Meter Hybrid Solution About ADD Grup High-tech company with more than 29 years of global success Projects in more than 30 countries worldwide Universal hardware platform supporting FSK, S-FSK, PRIME, G3 Manufacturing facilities with up-to-date equipment from the best manufactures in the world Certification of meters based on PRIME specification Quantity of installed meters First License agreement for manufacturing of meters based on ADDAX technology launch of split pole mounted meter Start of development of smart digital...

Our Products ELECTRICITY METERING Smart prepaid meters with disconnection relay • Communication through Bluetooth (BLE 5.0) • Prepayment and post-payment mode supported • Consumers’ load disconnecting on credit amount exhaustion • three phase single phase • The current balance in the local currency and in watt-hours and cubic meters WATER METERING Ultrasonic smart prepaid water meter with shut-off valve User notification when: o No data exchange with the meter for a long time o The meter credit is exhausted o The payment time is close to expiring o The order time is close to expiring Water...

Case of Spanish hotel “Amor de Helene” In July 2021 Adderra together with Arcostec, Adderra’s official representative in Spain, installed one phase and three phase electricity submeters. 14 of them were installed in the rooms and 1 submeter in the restaurant. ADDERRA meters have a very compact design. Installation was performed inside the boxes with circuit-breakers at the entrance to each hotel room.

Republic of Moldova, 36 Dragomirna street, Chisinau, MD-2008