Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_18842 ( "Autonomous Community" text, "Hydroelectric power" real, "Wind power" real, "Solar power" real, "Biomass power" real, "Solid waste power" real, "Total Renewable Generation" real, "Total Electricity Demand" real, "% Renewable of Total Electricity Demand" text )

### Question ###
What is the total demand for electricity when the demand for renewable electricity demand is 2.2%?

### Accurate SQL ###

SELECT "Total Electricity Demand" FROM table_18842 WHERE "% Renewable of Total Electricity Demand" = '2.2%'