What is Traiff Group A

Tariff Group A¹ is available for customers supplied by low-voltage network (230/400 V):

• With a subscribed demand up to 69 kVA; or
• With a subscribed demand higher than 69 kVA if they are not included in tarriff groups B and C.

• A1 - General Tariff
  
• A2 - Reduced Tariff
  
• A3 - Social Assistance Tariff
  
• A4 - Social Tariff

The charges under the tariff group A are based on:

Subscribed Demand ² (in units of kVA)

Maximum electric load available through the connection of supply as stated in the supply contract, and controlled by the meter size and protection devices.

Consumption³ (in units of kWh)

- Total units of electricity consumed during the billing period.

Tariff Clause Adjustment⁴

- Adjustment in tariff to reflect fluctuation in energy production cost, tath is fixed quarterly.

Government Tax⁵

- Monthly tax payable for the usage of electrical installation.

• Customers of tariff group A that do not fulfil the criteria of tariff classes A2, A3 and A4.

Example for One Month

Units Unit Price Amount (MOP) Demand 6.9   18.80 Consumption 250 0.963 240.75 Tariff Clause Adjustment 250 + 0.19 47.50 Government Tax 2.00 Total 309.05

Back to top

• Automatically applied to customers with a subscribed demand up to 6.9 kVA and and monthly consumption over the last six months that does not exceed 120 units (kWh).
  

Example for One Month

Units Unit Price Amount (MOP) Consumption 100 0.858 85.80 Tariff Clause Adjustment 100 +0.19 19.00 Government Tax 2.00 Total 106.80

Back to top

Conditions

• Applicable to non-profitable public and private institutions that
  develop and organize relevant social activities;
  
• Customers should present a specific document issued by the Social Welfare Institute (IAS), confirming the above requirements.

Example for One Month

Units Unit Price Amount (MOP) Demand 13.8 3.372 46.53 Consumption 422 0.884 373.05 Tariff Clause Adjustment 422 + 0.19 80.18 Government Tax 2.80 TOTAL 502.56

Back to top

• Customers entitled to public assistance, with a subscribed
  demand up to 6.9 kVA and monthly consumption over the
  last six months that does not exceed 120 units (kWh);
  
• Customers should present a valid social assistance card issued by the Social Welfare Institute (IAS);
  
• The tariff is automatically applied if the above consumption and registration requirements are met.

Example for One Month

Units Unit Price Amount (MOP) Consumption 100 0.429 42.90 Tariff Clause Adjustment 100 + 0.19 19.00 Government Tax 1.40 TOTAL 63.30

Remarks: (1) Decree-Law n.º35/86M of August 30. (2) Adminstrative Regulation n.º11/2005 of July 18. (3) Executive Order n.º23/2004 of August 9. (4) Adminstrative Regulation n.º5/2007 of March 19. (5) The formula of tax calculation depends on the type of electrical installation (residential, commercial or industrial).

Back to top