The line graph illustrates the typical daily demand for electrical 
energy
 Use synonyms
source
 in two seasons in a certain city. Meanwhile, the pie graph presents the utilization of electricity in different household machines. 
Fix the agreement mistake
sources
Overall
, electricity is most used in winter near the middle of the month, Linking Words
while
 heating machines Linking Words
was
 recorded to have the highest Correct subject-verb agreement
were
energy
 expenditure. 
In detail, a fluctuating pattern is observed during the winter with a drop in Use synonyms
energy
 use (30,000) Use synonyms
at
 Change preposition
on
sixth
 to ninth Correct article usage
the sixth
day
 Use synonyms
then
 a continuous rise until its peak use on the 21st Linking Words
day
 at nearly 50,000 units. In summer, the usage of electricity hovers at 20,000 units on Use synonyms
12th-15th
 Add an article
the 12th-15th
day
 and Use synonyms
21st
 to 24th Correct article usage
the 21st
day
 reaching the exact amount.  In both Use synonyms
season
,  a spike Change to a plural noun
seasons
for
 demand is seen Change preposition
in
in
 the 21st to 24th Change preposition
on
day
. 
Moving on to the allocation of Use synonyms
energy
, more than half of the proportion is for heating use. 17.5% is spent Use synonyms
for
 ovens, kettles, and washing machines. In a similar division, Change preposition
on
a 
15% Correct article usage
apply
Use synonyms
energy
 usage is divided equally for the rest of household devices, lighting, TV, and radio.Change preposition
of energy