The Diagram illustrates the process of 
generates
 Wrong verb form
generating
the 
Correct article usage
apply
electricity
 power through Replace the word
electrical
the 
geothermal energy.
Correct article usage
apply
Overall
, the process is involved five stages from Linking Words
supply
 of cold Add an article
the supply
a supply
water
 to Use synonyms
turbine
 Correct article usage
a turbine
that is
 connected to Linking Words
generator
 to produce electricity.
In the first Add an article
a generator
the generator
stage
, cold Use synonyms
water
 is supplied from the surface to inject walls through the pipeline Use synonyms
then
 Linking Words
its
 is Correct pronoun usage
it
further
 transferred to Linking Words
geothermal
 zone that consists of hot rocks. After Add an article
a geothermal
the geothermal
go
 through the hot rocks, the hot Change the form of the verb
going
water
 is supplied into the production wall’s pipeline which is quite wider than the cold Use synonyms
water
 pipeline.
In Use synonyms
fourth
 Change the article
the fourth
stage
, the hot Use synonyms
water
 is sent to Use synonyms
condenser
 . in that Add an article
the condenser
Use synonyms
stage
 condenser convert the hot Add a comma
,stage
water
 into the form of steam into steam. The Next Use synonyms
stage
Use synonyms
  supply
 the steam to the turbine that rotates it with the help of Change the verb form
 supplies
connected
 generator Correct article usage
a connected
Linking Words
that
 is how the electricity is produced with help of geothermal power.Correct pronoun usage
which