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FEDERAL RESERVE statistical release
G.3(402)

For Immediate release

CAPACITY UTILIZATION
Manufacturing, Mining, Utilities, and Industrial Materials

August 16, 1985

Capacity u t i l i z a t i o n in manufacturing, mining, and u t i l i t i e s is
estimated to be unchanged at 80.8 percent in July. This overall operating
rate has held steady for four months, after declining 1.2 percentage points
between August 1984 and April of this year. The rtanufacturing and mining
operating rates were also v i r t u a l l y unchanged in July while the rate for
u t i l i t i e s f e l l by nearly a percentage point.
Neither durable nor nondurable manufacturing industries had s i g n i ficant u t i l i z a t i o n rate changes in July. But both primary metals and automobile
manufacturing showed substantial u t i l i z a t i o n rate gains of around three
percentage points. These increases brought the rates for these industries
closer to their levels of earlier in the year, after having been relatively
low in May and June. For many other industries within manufacturing there
were small declines in July in u t i l i z a t i o n , which l e f t the overall manufacturing rate unchanged.
Capacity u t i l i z a t i o n in materials production also remained the same
in July. Utilization for both durable and nondurable goods materials rose
s l i g h t l y while the rate for energy materials f e l l 0.5 percentage point.

Capacity Utilization: Summary
Percent of capacity, seasonally adjusted

&0V

1967
-84
Avg* .

APE

86.9

69.5

81.7

80*8

80.8

80.8

80.8

69.9
67.9
71.8

86.5
86.3

68.0
63.7
74.4

80.7
78.8
83.5

80. 5
78.9
83.0

ao.4
78.5
83.3

80.4
78.4
83.4

80.4
78*4
83.5

92.8
95«6

87.8
82.9

95.2
88.5

76.9
78*0

88.0
88.1

82.1
84.6

82.4
84.7

82.5
83.9

82.6
83.0

92.0

70.5

89.1

68.4

82*7

80.9

80.2

80.3

80.3

1973
Higti

1975

88.6

72.1

Manufacturing
Durable
Nondurable

87.?
87.4
88. 8

Mining
Utilities

Series

T o t a l 8m§ai$t§y

industrial Materials




1978
-80

1982

1985
I BIT

! JOH

CAPACITY UTILIZATION

JULY

DATA

SEASONALLY ADJUSTED, PERCENT

110
TOTAL INDUSTRY

TOTAL MATERIALS
90

70

I

!

I

50
110

I !

MINING
UTILITIES

90

v/

MANUFACTURING V

/

__

70

50
110
MANUFACTURING

REFINED PETROLEUM
PRODUCTS

90

NONDURABLE

70

J iI.

! I i . iI ! i

50
110

MOTOR VEHICLES
AND PARTS
90

70

50

30
1970

1973




1976

1979

1982

1985

1970

1973

1976

1979

1982

1985

MANUFACTURING, MINING AND UTILITIES
Table 1

Capacity Utilization

Monthly, seasonally adjusted, percent of capacity
1973 | 1975 | 1978 1 1982 | 1967 1 Teat |
Series
H i g h | Low
| - 8 0 1 Low | - 8 4
1 ago 1
| Hiqh 1
| Avq. 1 Bonthi
J

1

1
72.11

i
8 6 . 91

I
69.51

1
51
1
11
11
•
1
31
61

Total Industry

88.6|

Manufacturing

87.71

69.91

86.

91.9|
86.0|
I

68.3|

89.
85.

•

88.81
85.81
92.11
95.6|
86.6J
99.6|
97.51
86.4|

86.
67.9|
86.
67.l|
67.0J 9 7 . H
66.6g 400. 3 |
9 1 . 1|
62.1]
87. 4|
64.7|
86. 0|
66.21
63.71 8 9 . 91
9 3 . 31
52.7|
1 9 3 . 31
8 7 . 11
69.6(
74.91 8 8 . 9 |
69.01 8 1 . 08
1
•
71.81 8 7 . I
8 5 . 011|
77.6|
8 8 . 31
58.9|
67.7|
92.71
6 9 . 2 | 8 2 . 91
9 1 . 71
83.7|
6 9 . «l
59.5|
72.31 9 2 . 4 |

Mining

92.81

87.81

Utilities
Electric utilities

95.6|
98.71

82.9|
83.0|

Durable manufacturing
Stone, clay and glass products
Primary metals
Iron and steel, subtotal
Nonferrous metals, subtotal
Fabricated metal products
Nonelectrical machinery
Electrical machinery
Motor vehicles and parts
Automobiles
Aerospace and misc. trans, eqp.
Instruments
Other durables

87.4|
89.3|
101.91
105.8|
95. 61
85.01
89.0|
85.7|
97. 11

J
77.01
89.2J

* 1

Nondurable manufacturing
Food and kindred products
Textile mill products
Paper and products
Chemicals and products
Petroleum products
Rubber and plastics products
Other nondurables

1

81.3

81.11 8 1 . 1

80.9

81.0

80.8

80.8

80.8

80.8

81.7|

81.2

80.9|

80.7

80.4

80.5

80.5

80.4

80.4

80.4

65.1|
69.5|

8 1 . 71
8 0 . 21

81.7|
81.6|

81.7
80.9

80.9| 81.6
80.61 80.2

81.5
79.8

81.8
79.8

82.1
79.7

81.5
79.9

81.9
79.7

82.5
79.5

63.7|
62.91
45.8|
37.6|
60.81
61.3|
62.9|
66.91
47.01
36.61
70.7|
77.8|
69.1|

78.
77.
80.
80.
81.
77.
78.
78.
77.

79. 8|
81.5|
71.0|
63.7|
83.3|
78.1|
78.5|
81.2|
82.0|
77.9|
77.6J
86.0|
84.0|

79.5
80.8
72.3
67.1
80.9
79.3
77.0
80.7
82.3
75.3
78.4
84.4
83.6

79.3
79.8
73.5
67.6
82.9
80.0
76.0
78.4
85.8
85.6
80.3
83.8
82.6

78.7
78.1
72.1
65.4
83.1
80.8
75.5
76.8
85.0
83.7
80.8
83.5
82.3

78.9
78.6
73.7
69.9
79.8
81.6
76.0
76.4
83.8
83.8
82.2
83.4
82.2

78.9
80.6
73.4
68.8
80.7
82.0
76.9
74.2
83.2
82.8
82.4
82.8
83.2

78.5
81.7
69.2
62.7
79.6
81.4
76.9
74. 1
82.6
80.5
82.9
82.8
83.4

78.4
81.7
70.8
65.4
79.5
81.4
76.1
73.9
82.3
79.2
83.7
82.7
83.0

78.4

84.4|
80.3|
86.7|
93.81
77.5|
83.0|
90.3|
90.21

83.6
79.8
79.5
92.8
77.8
83.1
89.4
89.0

79.31
79.41
70.3|
65.4|
78.3|
79.61
76. 1|
80.7)
83.5|
80.2|
79.4|
84.3|
83.1|
1
83.1|
79.8|
77.51
93.4|
77.1|
81.8}
89. 1|
88.4|

82.8
79. 1
76.5
92.9
78.1
81.4
88.4
87.3

83.0
79.6
80.5
91.3
78.4
81.5
87.9
87.4

82.9
78.8
81.1
91.5
78.7
82.4
86.5
87.6

83.0
80.0
80.6
90.1
78.0
85.1
86.6
87.4

83.3
80.2
81.5
89.2
79.0
85.3
86.0
87.9

83.4
80.1
82.3
91.2
79.2
83.5
85.9
87.9

83.5

86.4|

81.7

81.7|

82.9

82.1

82.8

82.1

82.4

62.5

82.6

82.9|
82.51

84.3
63.8

•
83.81 84.7
8 2 . 8 | 83.5

86.7
85.4

85.0
63.4

84.6
82.9

84.7
82.9

83.9
81.9

83.0
80.9

1
61
6|
5|

11
3|

7|
7|
5|

74.4J
76.5|
70.6|
80«8|
67.6|
69.7|
71.2|
78.9|

61
i
7 6 . 21
83.4|
8 1 . 71
i
I
83.
51
6 2 . 51
8 4 . 51
8 8 . 2|
7 8 . 71
8 7 . 91
8 4 . 51
8 6 . 01

95.21

76.9|

8 8 . 01

88. 5|
87. 6|

1
76.01
78.21

1
8 8 . 11
8 9 . 01

a

1985
DEC 1 JAN 1 FEB 1 HAS 1 APB 1 BAT 1 JUN 1 JUL

68.01

•

Primary processing
Advanced processing

1984
MOV 1

1

1
8 1 . 71
1
8 0 . 7|

i

82.0|

•

73.6
81.5
75.4
73.5
82.7
82.2
83.5
82.4
82.6

84.5
88.2

Table 2

Output/Capacity, and Capacity Utilization
Quarterly, seasonally adjusted

OUTPUT

|

CAPACITY

1984
Q2

Q2

126.81
•
108.1|
138.21

Durable manufacturing
Stone, clay and glass products
Primary metals
Iron and steel, subtotal
Nonferrous metals, subtotal
Fabricated metal products
Nonelectrical machinery
Electrical machinery
Motor vehicles and parts
Automobiles
Aerospace and misc. trans, eqp.
Instruments
Other durables

125.6 125.8|126.0
I
107.0 107.6 107.0|107.5
133.2 136.3 137.0|137. 1
1
123.9 127.1 127.3|127.7
112.5 113.4 112.9J 111. 5
82.4 82.5 80.2| 81.2
73.8 72.4 70.41 70.9
98.9 101.7 98.8|100.7
102.2 104.2 105.4|107.5
141.5 146.8 1«5.6| 145.5
169.9 176.1 179.2J174.1
103.8 106.1 106.7|112.3
104.2 100.7 101.9|115.9
122.8 126.8 127.9|131.8
136.3 139.8 138.7|138.8
119.8 121. 1 121.2|120.5

128.11
115.71
78.8|
68.4|
98.3|
108.61
149.01
169.31
110.71
112.5|
135. 1|
138.91
122.6|

149.5 150.6 151.7|152.8
1
152.6 153.9 155.2|156.5
•
131.0 131.2 131.4|131.6
165.7 167.6 169.6| 171.4
•
157.3 158.8 160.31161.7
139.1 139.9 140.6|141.4
114.2 113. 1 111.9|111. 1
109.5 107.7 106.0|104.8
123.2 123. 1 123.0|123.0
132.7 132.6 132.9|133.1
184.4 166.8 189.31191.8
212.7 217.2 221.7|225.5
127.4 129. 1 130.7|132.3
131.0 133.2 135.31137.3
162.4 162.4 162.5|162.6
161.0 162.6 164.3(166.0
143.0 144.0 145. 11 146.2

Nondurable manufacturing
Food and kindred products
Textile mill products
Paper and products
Chemicals and products
Petroleum products
Rubber and plastics products
Other nondurables

122.4
127.0
106.3
127.0
120.5
88.5
142.8
125.5

125.01
131.4|
100.01
125.51
127.21
86.6|
144.81
127.91

146. 1
158.3
121.8
136.2
158.0
105.4
160.5
140.3

Total Industry

1985
1
Q3
Q4
Q1
Q2
|
1
1
1 2 1 . 5 123.4 123.l|123.8 124.41
i

Manufacturing

123.4

Series

Primary processing
Advanced processing

123.4
127.9
103.3
128.4
123.0
86.8
144.9
126.0

I

1984
Q4

03

147.1
159.8
122.0
136.9
158.8
104.6
162.2
141.7

1985
01

02

1
1
1

154.01

Q3

04

81.9

1
81.21 81.0

80.8

81.9
79.8

Q1

02

157.71
1
132.0|
173.21
•
163.1|
142.31
1 10.8|
104.31
122.91
133.21
194.31
228.5(
133.91
139.21
162.81
167.9|
147.41

80.8

81.6

81.7
80.4

82.0
81.3

8 1 . 0 | 80.5
1
81.51 81.6
80.81 80.0

78.8
80.9
72.2
67.4
80.3
77.0
76.7
79.9
81.4
79.5
75.6
64.7
83.8

80.0
81.0
73.0
67.2
82.6
78.4
78.6
81.0
82.2
75.7
78.1
86.0
84.0

79. 4 J
80.31
71.7|
66.41
80.3|
79.31
76.9|
80.8|
81.7|
75.3|
78.7|
84.4|
83.5|

79.0
78.8
73. 1
67.6
81.9
80.8
75.9
77.2
84.9
84.4
81.1
83.6
82.4

78.6
81.3
71-1
65.6
79.9
81.6
76.7
74. 1
82.7
80.8
83.0
82.7
83.2

83.8
80.2
87.3
93.2
76.3
83.9
89.0
89.5

83.9
80.1
84.7
93.8
77.5
82.9
89.3
88.9

82.9
79.2
79.4
91.9
78.5
81.8
87.6
87.4

83.2
80. 1
81.5
90.2
78.8
84.6
86.2
87.8

84.2

8 5.6

83.4|
80.01
79.7|
93.0|
77.5|
82.3|
89.31
88.4|
1
81.3|

84.3
83.8

82.8
82.5

8 3 . 5 | 85.5
83.01 84. 1

148.1|149.2
161.2|162.6
122.2|122.4
137.61138.4
159.7J160.6
103.8|103.0
163.9|165.8
143.1|144.5

Mining

110.01

150.21
164.01
122.71
139.1|
161.58
102.3|
167.91
145.8J
•
132.6 132.9 133.1|133.4 133.61

Utilities
Electric utilities

111.4 109.8 111.1|114.2 113.61
117.6 116.3 117.7|120.1 119.01

132.2 132.6 133.0|133.7 134.51
140.3 141.0 141.7|142.8 144.21




Q2

81.3

•

123.5(123.6
128.91128.7
97.4| 97.2
128.01127.2
123.7J126.0
85.41 84.3
146.4|145.3
126.51126.3
•
111.7 T13.8 108.3|110. 1

Note. Data for output are percentages of 1977 output as shown in the Federal Reserve's seasonally adjusted indexes of Industrial production. Capacity is also expressed as a percentage of

0TILIZATIOH
1985

1984

80.4

i

82.6

62.3
84.4
82.5

1977 actual output. Capacity utilization percentages are calculated as ratios of production to
capacity.

INDUSTRIAL MATERIALS
Table 3

Capacity Utilization
Monthly, seasonally adjusted, percent of capacity
Series

Materials Industrial

1973 | 1975
High | Low
I
92.0|
I

Durable goods materials
Metal materials
Raw steel
Aluminum

Nondurable goods materials
Textile, paper, and chemical materials
Pulp and p«p«r materials
Chemical materials

Energy materials

91.81
I
99.21
I
106.01
95.71
I
9 1 . 1|
I
92.8|
I
98.4|
92.51
I
I
94.61

I
70.5|
I
I
64.41
I
67.1|
I
66.4|
73.0|
4
I
66.7|
I
64.81
I
70.61
64.41
I
86.9(I

1967 | Tear |
1978 | 1982
-84 | ago |_
-80
| Low
ATQ. I •onthl
High I
I
I
I
89. 1| 68. 4 | 82.7| 83.0|
I
I
I
I
I
I
I
I
89.81 60.9|
79.5| 80.91
I
I
I
45.7J 78.9| 68.81
93.6|
I
I
I
98.91 36.1|
68.91
81.9|
58.8|
97.4|
88.9| 8 4 . 2 |
I
«
I
I
I
I
83.31 82.01
88.11 70.6|
I
I
I
I
83.7| 82.6|
89.4| 68.6|
I
I
I
97.31 79.9| 91.31 96. 51
80.9|
63.3|
87.9|
77.5J
I
I
I
I
I
I
I
89.9|
94.01 82.2|
88.9|

1985
1984
MO7 I DEC I JAW I PEB I BAB 1 APB I HAT I

81.5

JUL

JUH

I
81.31 81.7 81.5 8 1 . 4 80.9 8 0 . 2 B0.3
I

80.3

79.9

79.1 78.9

78.3 76.7

76.9 77.1

68.1

68.2

69.9 66.4

69.1 70.0

65.9
78.8

67.2 68.2
76.6 74.2

68.4
73.6

67.9 67.4
72.9 72.0

80.9

79.71
I
68.01
I
56.7|
80.21
I
I
80.81

80.9

81.1 80.2

80.2

80.8

81.1

80.7|

81.7

82.0 81.4

80.7 80.9 80.7 81.0

80.2
68.6
61.6
80.3

92.5
78.8
84.8

I
93.7| 93.7
78.31 80.1
I
I
85.5| 86.6

69.8

80.8 80.9

92.6 92.1 89.1 89.6 89.9
80.2 79.5 79.2 79.2 78.8
87.4

88.4

87.6

87.7

87.5

87.0

Table 4

Output, Capacity, and Capacity Utilization
Quarterly, seasonally adjusted
Series
Materials Industrial
Durable goods materials

80.3

OTILIZATIOi
1985
Q4
Q1
1
83.0 8 1 . 4 | 8 1 . 5
1
1
81.0 8 0 . 11 7 9 . 3

119.7

1985
1
Qi
Q2
!
1
1
139.8 140.7|141.6 142.51
I
\
1
1
153. 1 154.4|155.9 157.4J
1
118.8 117.81117.3 117.31

70.2

69.0

6 8 . 21 6 8 . 7

64.1| 70.4 71.21
95.9| 90.9 8 6 . 4 |
1
1
1
1
111.01
110.9|110.9
111.3 111.6
•
1
111.8 112.2 110.7| 111.6 no. 7j

109.3
119.6

107.6
119.3

74.5
86.6

65.7
83.0

60. 61 67.
80. 61 76. 5

135.7

136.3

82.0

81.9

1
at.oi 80. 7

135.1

135.7

105.8|104.9 104.9|
119.0|118.8 118.61
1
I
1
136.81137.3 137.81
•
136.21136.7 137.01

82.7

82.7

8 1 . 31 8 1 . 7

80.8

127.4 127.7 126.21126.3 122.01
109.3 110.2 110.9|113.2 112.31
\
1
8
105.3 105.7 101.31 105.0 105.4|

132.2
140.6

133.7
140.8

96.4
77.8

95.5
78.3

93. 31 92. 8
78. 61 80. 0

89.5
79. 1

118.9

119.3

135.3|136.« 136.21
141.1|141.5 142.01
1
1
1
1
120.31
119.7|120.0

88.6

88.6

8 4 . 6|

1984
Q2

Raw steel
Aluminum

81.4
103.5

Pulp and paper materials
Chemical materials
Energy materials

Q4

1985
Q1

Q2

1
1
I

1984
Q2
138.9
151.8

•

84.1

Textile, paper and chemical materials

00TP0T

114.8 116.0 114.5|115.4 114.61
1
1
1
1
121.7J
121.9 124.0 123.7|123.6

Metal materials

Nondurable goods materials

Q3

82.0

80.4) 80.6

80.3|

1

Q4

1984
Q2
82.6

Q3

Q2

80.5
77.3

•
1

68.5

•

70.7
99.1

Definition. This release contains estimates of output, capacity, and capacity utilization for the
nations factories, mines, and electric and gas utilities. Output data are the Federal Reserve's
seasonally adjusted indexes of industrial production, which express output as percentages of
1977 output. The capacity estimates are expressed as percentages of 1977 output as well.
Capacity utilization percentages are calculated as ratios of production to capacity. The capacity indexes are based on a variety of data, including capacity data in physical units compiled
by trade associations, private and government surveys of capacity growth and utilization rates,
and estimates of capital stock growth. The concept of practical capacity is applied, which is
defined as the greatest level of output that a plant can maintain within the framework of a realistic
work pattern, taking account of normal downtime, and assuming sufficient availability of inputs
to operate machinery and equipment in place. When the capacity indexes for individual industries are aggregated—for example to total manufacturing—no explicit account is taken of possible general equilibrium constraints such as emerging industry bottlenecks. Because of the
large and heterogeneous database, changes in utilization rates may be more meaningful in the
analysis of business conditions than any particular level of these rates.
Groupings. Estimates of capacity and industrial production for manufacturing industries are
aggregated to primary processing and advanced processing industries, to durable and nondurable
manufacturing industries, and to total manufacturing. The mining, manufacturing, and utilities
estimates aggregate to the total index. Industrial materials are items produced and used as inputs
by manufacturing plants, mines, and utilities. Industrial materials include many of the items
included in the primary processing grouping of manufacturing, as well as some of the output
of the advanced processing industries, mines, and utilities—such as iron ore, crude oil, semiconductors, and electricity sold to industry.




CAPACITT
Q3

8

67.9
72.9

1
•
i

80.6

1

1
87. 5

87.6

Perspective. The historical highs and lows in capacity utilization shown in the tables above are
specific to each series and did not all occur in the same month. Industrial plants usually operate at capacity utilization rates that are well below 100 percent: none of the broad aggregates
Has ever reached 100 percent. For mining, manufacturing, and utilities as a whole, and for total
manufacturing, utilization rates as high as 90 percent have been exceeded only in wartime.
Revisions. The first estimates for a month are published about the 17th of the following month.
These estimates may revise in each of the next three months as new data become available.
After the fourth month no further revisions are undertaken until an annual or benchmark revision. The median of the revisions in the total manufacturing utilization rate between the first
and fourth estimate is 0.3 of a percentage point; that is, in about half of the cases, the absolute
value of the revision from the first to the fourth estimate is less than 0.3 of a percentage point:
Sources. The basic methodologies used to estimate the series is discussed in Federal Reserve
Measures of Capacity and Capacity Utilization, February 1978. An article, scheduled to be forthcoming in the October Federal Reserve Bulletin, describes the revisions and expansions in the
series. Revised data from 1948-84 are included in the statistical supplement to the July 1985
capacity utilization release, which may be obtained from Publications Services, Board of Governors of the Federal Reserve System, Washington. D.C. 20551.
Rounding. Utilization rates are calculated from unrounded capacity and production indexes. Aggregates are derived from unrounded detailed components.
Release schedule for 1985. Approximately 11 a.m. on January 16, February 19. March 18.
April 17, May 16, June 17. July 19. August 16, September 16. October 16, November 18. and
December 16.