TAX, Shipping & Returns


We accept payment via PayPal, Credit Card and Bank Transfer.

Our bank details are made available at checkout; please ensure that you include your shop order ID number (e.g. #XXXX) in the bank transfer so we can link your payment to you order. We kindly ask that you also email a receipt of bank transfer payment to so that we can process your order promptly. 

For International IBAN and SWIFT payments, please ensure you settle all associated transaction fees; if not, then in addition to the payment shortfall, we will charge a fee of 30.00 GBP to cover administrative costs incurred.

All goods and services supplied remain the property of Megni (trading as OpenEnergyMonitor) until paid for in full.



  • UK VAT is charged at a standard rate of 20% to all customers in the UK
  • On 1st January 2021 the UK left the EU, therefore VAT rate on orders shipped to the EU is now 0%*
  • Goods exported to the rest of the world are not charged VAT*

If applicable VAT will be removed on the final stage of checkout after the shipping and billing address has been entered. 

*Import TAX and some additional admin fees may need to be paid upon receiving the order in your country. Megni (trading as OpenEnergyMonitor) is not responsible for import TAX / duty or handling fees payable in the country of destination. Please check the import TAX rates in your country before ordering.  

Our UK VAT number is: GB152734515



We will ship to the address provided at checkout. Please double-check that the shipping address is correct before placing an order and don't hesitate to contact us if you notice an error.
All items that are in stock will normally be shipped within 2 to 3 working days, but large or custom orders can take a bit longer. 
Please be aware that orders are not processed for shipment on weekends, UK Bank Holidays, or on dates which are specified on the shop homepage. Shipping options are available at checkout.  
  • UK buyers: All orders up to 2.5Kg in weight are sent with Royal Mail. Orders above 2.5Kg in weight are sent via a courier and service of our choosing, but please get in touch if you have a preference. 
  • International buyers: For orders below 2Kg in weight, you can choose between UPS Worlwide Express, Royal Mail International Standard (untracked and uninsured) or Royal Mail International Signed (tracked in some countries). The availability of a service is dependent on location. Orders above 2Kg in weight are sent via a courier and service of our choosing, but please get in touch if you have a preference. Please do not use a P.O. Box for the shipping address, unless it is mandatory 


The buyer is responsible for any VAT, tariff, duty, taxes, handling fees and customs clearance charges. 

Transit Times


Delivery times depend on the delivery service chosen and the location of the shipping address. If delivery is not made within 20 working days (or 25 working days for non-EU countries) please check that your shipping details were entered correctly and contact us on Please remember to quote your order number. 

Returns Policy


We accept the return of items within 14 days of receipt. Buyers can request an exchange or a refund (packaging & postage costs cannot be refunded). Buyers must use the original packaging material and pay the cost of return shipping.

Component(s) missing or not working: if this happens, we will do our very best to provide the missing component(s). Please check your order as soon as you receive it. 

All returns must be authorised before returning, please contact us and include order number and support ticker reference number with your order. 




 All our hardware is covered by a 2 year warranty from the date of order. Warranty covers factory defects and hardware malfunction under normal use.