The request
“Create a line graph for Harbor Office weekly electricity use in kWh: 1,280, 1,340, 1,250, 1,190, 1,160 and 1,120 from week 1 to week 6, with a weekly target of 1,200 kWh.”
Then tryAdd a note for the HVAC maintenance in week 4.Change the target to 1,150 kWh.
What is in this drawing
Read the decisions behind it.
01Use metered data
retain a consistent site boundary.
02Compare with target
the reference line makes progress visible.
03Investigate anomalies
week two needs context before action.
Use for one facility’s recurring energy measure and an agreed target.
More like this
Other examples in this family.
FAQ
Common questions
Why include a target line?
It gives readers a fixed reference for judging each week’s use.
What unit should I use?
Use the meter’s consistent energy unit, such as kilowatt-hours.
Can weather affect the line?
Yes. Temperature and occupancy should be considered when interpreting changes.