Recorded energy consumption data on office buildings

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Recorded energy consumption data on office buildings

RECORDED ENERGY CONSUMPTION

DATA ON OFFICE

A.H. Elmahdy

The Standing Committee on Energy Conservation in Buildings is

a _{ttemp tirrg, o n b e h a l f of the National Research Council Associate}

CornmiLtee on the National B u i l d i n g Code, Lo d e f i n e appropriate energy consmp tion targets f o r dif f *rent classes of b u i l d i n g s . ahese a r e p a r t l y based on t h e actual. energy consumption of existing buildings. Annual energy consumption d a t a o n groups 0 5 _{o f f ice b u i l d i n g s are}

provided in t h i s r e p o r t t o _{demonstrate the pattern of energy consumption}

f o r t h i s c l a s s of building. Table 1 g i v e s a summary of the sample s i z e , the average, maximum and m i n i m u m floor areas, and t h e annual energy consumption for each group of office b u i l d i n g s .

Complete listings of energy consumption and other relevant information are presented in T a b l e s 2 _{through 8. Although n o attempt} has been made to correlate energy consumption d a t a with other v a r i a b l e s ,

p l o t s of energy consump t i o n i n ~ 3 / m ~ ~ r . versus building f l o o r area are

shown in Figures 1 through 4. _{The right-hand side ordinate on these} figures shows the frequency of occurrence kn the corresponding energy consumption bins lEsted on the left-hand sTde. Figure 1 shows the

variation af a n n u a l energy consumption according to f l o o r area f o r a b o u t

80 o f f i c e b u i l d i n g s , as surveyed by Ontario H y d r o in

1974.

1977,

A s shown in Table 3, these was a reduction in the annual energy consumption for 1977 compared t o t h a t f o r

1974

No

to

1. weather changes;

2. occupancy and vacancy p a t t e r n s ;

3 . implementation of energy conservation programs.

ACKNOWLEDGEMENT

The author wishes to acknowledge the contribution of the

f o l l m i n g organizations, who p r o v i d e d the data included in this report.

a) O n t a r i o Hydro

) Conservation and Renewable Energy Resources, M i n i s t r y of Energy,

Mines and Resources c) British Columbia Hydro

d ) Ontario Ministry of Government Services

e ) Hanitoba Public Works

f) British Columbia Building Corporation

The author a l s o w i s h e s to thank R.W. Slntzel for his assistance in preparing t h e graphs and t a b l e s .

bat2

k M w a a P I

6 6 6 W W W

TABLE

2

CONSUMPTION DATA

-

ONTARIO HYDRO*

*These buildings are located in Ottawa, B e l l e v i l l e , Oshawa, Toronto, London, Windsor and Sault St. Marie.

TABLE

-

ONTARIO

*These buildings

are

in

TABLE 3 _:

_ONTARIO

(1)

fn

Table 2.

TABLE

4:

RESOURCES STUDY

(CALGARY)

TABLE 5 r B .C. HYDRO SURVEY

TABLE

ONTARIO

MINISTRY OF

C

TABLE 7:

MANITOBA

WORKS

FIGURE 1 ONTAR

I0

F1 GURE 2 ONTAR l O

HYDRO

Selected bundings showing a

change i n onergy c o n s u ~ t i o n 2 g r e a t e r than 0.3 GJJrnyr. , - 0

-

o

r

-

-

-

a

Lk

-

E

.-

E

-

+

w??

, , - , TBf4 TOTAL SAMPLE MEAN

--

-

Area

m2

loJ

----

---

---

---

FIGURE 3 ENERGY M l NES AND RESOURCES STUDY (CALGARY)

A r e a

m2

FIGURE 4 HR l TI SH COLUMB

l