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FEDERAL RESERVE statistical release
Q.3 (402)

For Immediate release

CAPACITY UTILIZATION
Manufacturing, Mining, Utilities, and Industrial Materials

February 19, 1985

Capacity utilization in manufacturing, mining, and utilities rose
from its slightly downward revised December level by 0.2 percentage point in
January to 81.9 percent. Gains in the operating rates for the mining and
utilities industries led the rise in the overall index while the manufacturing rate remained unchanged at 82.1 percent. The January operating rate
for electric and gas utilities rebounded to near its November level after a
fall in December; this reflected mainly the effects of the warmer than
usual weather in December and the colder than usual weather in January.
In the manufacturing sector, the motor vehicles and parts industry
showed a strong utilization rate gain in January. Its 2.5 percentage point
increase, however, was offset by slight declines in utilization among the
nondurable goods manufacturing industries and many of the remaining durable
goods industries. The petroleum refining utilization rate registered a
decline of over a percentage point from its December level.
Capacity utilization in materials production rose 0.1 percentage
point in January, keeping this rate at its fourth quarter 1984 average. Of
its major components, only the energy materials production rate increased.
Both the durable and nondurable goods materials rates edged down again in
January. The utilization rate for durable goods materials last moved up in
August 1984 while the rate for production of nondurable goods materials last
gained in May 1984.

Capacity Utilization: Summary
Percent of capacity, seasonally adjusted
Series
Total Industry

1973
HIGH

1975
LW
O

1978
-80
HIGH

1982
LOtf

1967
-82
AV2E.

1984
CCT I

NO? J

DEC

|

1985
JAB

88.4

71.1

87.3

69.6

82.4.

8U4

8U5

81.7

81.9

Manufacturing
Durable
Nondurable

87.9
87.9
89.1

69.0
67.6
71.0

87.5
89.4
87.2

68*8
64.8
73.8

81.8.
80.5.
83.9.

81.7
82. 1
81.1

81.7
32.2
81.2

82.1
32.8
81.3

82.1
82.9
81.1

Mining
Utilities

91,8
94.9

86.0
82.0

90.4
fc6.8

69.6
79.0

86.5.
88.6.

74.3
82.9

75.0
84.6

74.9
62.8

75.2
84.3

92.6

69.3

88.9

66.6

83.3.

81.0

80.9

30.6

80. 9

Industrial Materials




CAPACITY UTILIZATION

JANUARY DATA

SEASONALLY ADJUSTED, PERCENT

110
TOTAL INDUSTRY

TOTAL MATERIALS
90

70

50
110

MINING

UTILITIES

90

70

50
110
MANUFACTURING

REFINED PETROLEUM
PRODUCTS
90

NONDURABLE

70

MOTOR VEHICLES
AND PARTS

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 1 1978 | 1932 1 1967 | YEAfi 1
HIGH ] LOU
| -80
-82
AGO
LOW
Series
AVER. | flODTHJ
HIGH |

•i

1
1284 _
HAT |
JUNE)

JULX4

AUG

1

SIB 1

OCI

I

MOV

|

1
4

DEC

71. 1 |

87. 3 I

69. 6 j

82. 4 J

80. 1 |

31. 5

82. 1

82.7

82. 5

81.9

81. 4

81. 5

87. 9 I

69.0 |

67. 5 I

68. 3 j

81. 8 J

80. 1 j

31. 7

62.

82.3

82. 8

82.0

81. 7

81. 7

93. 7
85. 5 i

68.2 |
69.4 ]

91.4
85. 9

66. 2 i
70. 0 ;

84. 0 I
80. 6 j

8 0 . 6' j
80. 0 I

82. 4
81. 2

82. 6
81. 9

82.3
83.0

62. 1
63. 1

81.5
82.4

81. 2
81. 8

80. 7
82. 0

8 1 . 74
•
1
82.
11
1
80.
64
82.

9 I
0
3 I
0
3
3
7
7
NA
|
76. 0 |
89. 6

67.6
64.0
69.2
60.3
65.7
71.8
62.3
51.3
NA
68.0
73.7

89. 4
•90. 4
97. 5
98. 2
90. 0
83. 1
90. 6
94. 5
91. 6
93. 9
52.3

79. 2
77.
67.
77. 8 i
73. 4
73.2 |
89.
87. 1
83. 6
71. 7
77.4 t

81.
78.
71.
83.
75.
76.
91.

|
I

64. 8
63. 0
38. 8
62. 1
60. 7
61.6
74. 7
46. 1
35. 8
69. 1
73. 1

0
6
5
8
6
9
3
84. 7
77. 9
3
is'. 8

61. 7
77. 9
72. 0
83. 3
76. 7
78. 2
91. 4
85. 7
79. 6
74.6
80. 0

82.7
78.3
66.4
85.2
77.6
80.2
93. 1
87.5
80.8
76.5
80.9

82. 9
77.7
67. 9
83. 6
77. 2
81. 1
92. 5
87. q
77. 9
76.5
81. 1

82.3
76.6
68.1
83.3
76.8
80.5
92.5
83.6
70.0
76.5
81.5

82. 1
77. 4
66.
84. 2
77. 4
80. 4
91. 7
83. 0
71. 2
76. 3
80. 5

82.2
76. 7
65. 9
32. 5
76. 1
80. 7
91. 1
67. 5
79. 6
75. 6
60. 6

1
62. 61
76.31
67.14
7 9 . 51
7 7 . 61
31.
9 1 . 84
87. 7 |
8 1 , 64
7 7 . 01
8 2 . 94

89 . 1
85 . 7
95 . 4
96 . 7
86 . 2
99 . 1
97 . 4

I
I
1
I
1
I
I

71.0
77.2
61.3
69.1
65.9
84.6
62.1

I
I
1
|
1
1
|

73. 8
76. 5
73. 0
84. 2
64. 0
715
.
74. 0

|
|
1
1
|
|
|

82.4
80. 2
35.1
9,6. 7
72.3
80.2
95.7

62. 9
80. 5
34. 9
96. 7
73. 2
80. 1
97. 1

82.9
80.2
34.1
97.5
73.4
78.5
96.6

82. 6
79. 9
84. 1
97. 3
73. 2
78. 5
96. 0

81.7
79.5
31.0
97.4
72.9
77.5
94.5

81.
79.
79.
95.
71.
11.
94.

1
2
5
0
9
9
0

81. 2
78. 1
78. 9
94. 6
72. 5
76. 7
92. 4

431.

91 . 8

| 86.0 | 90. 4

Total Industry

63.

Manufacturing
Primary processing
Advanced processing
Durable manufacturing
Stone, clay and glass products
Iron and steel, subtotal
Nonferrous metals, subtotal
Fabricated metal products
Nonelectrical machinery
Electrical machinery
Motor vehicles and parts
Autos
Aerospace and misc. trans, eqp.
Instruments
Nondurable manufacturing
Foods
Textile mill products
Paper and products
Chemicals and products
Petroleum products
Rubber and plastics products
Mining
Utilities
Electric utilities

87.
68.
103.
99.
86.
38.
83.
98.

94.9
97 . 6

|
1
1
i
1
i

i 8 7 .2
I 85. 2
I 91.3
I 95. 1
1 63.6
I 93. 0
1 9 15
.

|
|
|
I

80. 5
78. *
82. 3
I 83. 8
I 79. 6
79.8
I 30. 0
78. 6

i

| 69. 6

| 32.0 i 8 6 . 8 | 79. 0
4 82.1 I 8 7 . 0 4 7 7 , 9
I

|
l

I
I
1
1

NA

| 78. 1
I 83.5

|
|
|
I
|
I

I

83. 9 i 8 1 . 1
83. 3 I 78. 7
36. 2 | 8 3 . 0
89. 6 I 96.7
78. 7 I 7 0 . 7
8 9 . 6 | 7 3 .9
8 8 . 3 | 93. 0

1

5
JAB
81.9
62. 1
80.8
62.7
82. 9

11. 4
61. 3
SI. b
SO. 2
66. 5
76. 7
62. 3
61. 1

1
78.
9 5 . 31
7 2 . 61
77.
9 2 . 11

16. 7

| 86. 5

I 75. 4

|

75.4

76. 6

78.3

77. 3

77.4

74. 3

75. 0

74.

1
91

75. 2

| 88.6
| 39.3

I 84. 8
I 84. 0

|
|

84. 7
33. 1

85. 4
84. 0

84.1
82.3

83. 3
81. 3

83.2
81.2

62. 9
80. 8

84. 6
82. 7

1
62.
81
b0.

84.3
62. 1

1

Table 2

Output* Capacity, and Capacity Utilization
Quarterly, seasonally adjusted
OUTPUT
1984
I
II
163. 1

165.6

1
1 1983
IV
IV |
1
197.3
165.11

161.0

164.4

167.2

167.JOJ

160.5
161.7

162.5
165.2

162.2
169.7

160.81
169.9|

143.8
152.8
79.2
116.6
128.2
161.8
200.0
154.2
132. 1
103.0
16 3.5

150. 2
159.5
83.7
119.0
133. 1
170.8
209.4
165.5
141.2
106.8
168.7

153.6
160. 1
83.7
124.9
136.9
178.6
215.0
163.4
134.5
109.4
172.4

157.4
159.6
77.2
124.7
140.0
138.0
221.9
167.0
131.4
114.0
177.5

158.01
159.2|
74.51
121.8)
140.31
189.11
223.21
163.11
135.0J
114.41
178.8|

174.8
157.5
146.5
171.2
22 5.0
121. 1
311.4

176.7
160.2
143.2
174.2
223.8
124.5
J19.8

180. 1
164.1
140.4
173.7
229. 1
127.4
334.4

Mining

121.0

124.2

Utilities
Electric utilities

178.4
203.0

179.2
203.8

Series

1983
IV

•_•_•.

•

A

Total nrausiry

155.5

159.8

Manufacturing

156.5
156.4
156. 1

Primary processing
Advanced processing
Durable manufacturing
Stone, day and glass products
Iron and steel, subtotal
Nonferrous metals, subtotal
Fabricated metal products
Nonelectrical machinery
Electrical machinery
Motor vehicles and parts
Autoe
Aerospace and misc. trans, eqp.
Instruments
Nondurable manufacturing
Foods
Textile mill products
Paper and products
Chemicals and products
Petroleum products
Rubber and plastics products




III

CAEACI1I
1984
I
I I

1
I I I

1V|

1983
IV

1984
I

I I

H i

IV

198.4

199.7

201. 1

1
202.4J

78.6

80.5

61.7

82.4

81.5

198.4

199.5

201. C

202.5

204.01

78.9

80.7

81.d

82.5

81.8

195.8
199.7

196.5
201.1

197.2
203.0

198.0
204.9

1S8.7J
206.bi

79.9
78.2

81.7
80.3

bz.4
61.4

81.9
32. 6

80.9
62.1

186.8
201.9
120. 1
148.4
179.0
231.0
227.4
190.7
167.8
146.3
216.2

187.8
203.0
119.0
148.4
179.6
232.0
230.4
190.9
168.7
147.2
217. 1

189. 1
204.4
116.7
148.4
180.6
232.6
^34.9
192.3
170.5
146. 1
217.9

190.4
205.9
114.5
148.4
181.4
233.1
239.3
193.8
172.3
149.0
218.8

191.71
207.31
112.2J
148.41
182.21
233.11
243.81
195.21
174.1|
149.9J
219.6|

76.9
75.7
66.0
78.6
71,6
70.0
87.9
80.8
78.7
70.4
75.7

79.9
78.5
70.4
80.2
74.u
7i.6
90.3
86.6
83.6
72.6
77.7

81.2
78.3
71.7
84.2
75.8
76.8
91.5
64.S
78.S
73.8
7S. 1

32.6
77.5
57.5
34.0
11.*
60. fc
92.7

62.4
It.6
fcfc.3
62.1
77.0
6C.9
S1.o
ee.1
11.5
76.4
61.4

181.3
164.6
138.5
177.0
231.5
123.9
340.4

180.0| 215.0
4 201. 7
133.01 163.0
174.1| 177.4
229.61 312. 1
123.14 161. 3
J36.61 338.5

216.5
2 0J. 1
163.7
178.5
314.0
160.4
342.3

2io.2
.cO4.6
165.2
18C. 1
315. 1
159.4
349. 1

2*0.0
2C6. 1
16 6.7
181.6
316.3
158.5
355.8

221.7|
1
163.2)
183.21
317.41
157.5|
362.6|

31.3
78.1
89.6
96.5
72. 1
75.1
91.9

31.6
78.9
87.5
97.6
71.3
77.6
93.4

82.5
60. z
65.0
S6.5
12.1
79.9
S5.8

62.4
79. i
83.1
97.4
73.2
78.2
95.7

125.1

129.0

124.3|

165.5

165.7

1b5.9

166. 1

166«3|
1

73.1

75.0

75.4

77.7

74.8

183.1
208.0

181.1
204.8

182.21 212.4
205.41 244.9

213.8
246.9

215.3
243.9

216.8
251.0

213.31
253.01
1

84.0
82.8

83.8
82.5

85.0
63. b

33.5

83.5
€1.2

dfc.

2

76.2
76.5
81.z

81.2
79.1
S5.0
72.3
76.1
S2.8

i

8 1 . to

INDUSTRIAL MATERIALS
Table 3

Capacity Utilization
Monthly, seasonally adjusted, percent of capacity
1973 I 1975
LOH
HIGH
Series

1982
1978
-80
LOH
L HIGH 1

1967
YEAR
AO j
G
-82
AVER. | MONTfajL

1984^
MAY i _ JUhll

1

Durable goods materials
Metal materials

JULY)

AUG 1

SEP 1

CCi 1

NCV 1

92.6

69.3

88.9 , 66.6

83.3

80.6

82.7

82.9

83.1

83.2

82.4

81.0

60. S

91.4

63.5

88.4

59.8

79.7

78.5

81.5

82.0

82.5

82.9

82.2

81.3

80.6

i 80.
9
H
J
1
80. 4
80. 6 |

97.8

| 68.0

95.4

46.2

82.2

67.3

72.2

72.1

70.8

70.8

69.8

67.6

66.7

66.

1
61.
77. 6 |
4|

40.2
107.1 ! 6 8 . 0 102.9
96.8 | 7 3 . 4 i 9 7 . 9 i 5 7 . 9
1
i

Raw steel
Aluminum

Nondurable goods materials

67.4

94.4

84.8 I 70.0
74.2
90.6 I 79.8 I 8 7 . 0

68.9
86.6

66.2
83.6

62.9
82.5

62.5
81.0

65.4
79.4

64.0
77.9

Paper materials
Chemical materials

99.4
95.5

I 65.4

70.7

86.5

81.9

83.9

83.3

83.0

82.9

81.5

80.5

80.4

92.3

68.6

86.5

81.5

83.3

82.6

82.5

82.4

80.5

7S.7

79.3

93.4
85.1

99.3
I 76.7

99.8
79.0

99.8
78.4

101.5
77. 9

99.7
78.1

99.7
76.1

98.7
75.7

97.C
75.9

88.5 I 84.4
I

84. 3

85.0

85.3

84.7

84.3

81.0

62.0

I 72.4
86.3
97.9
64.2 I 91.3 j 64.0 i

I
I
I
94.5 | 8 4 . 4
88.9
I

Energy materials

78.5

4

i

i
J

91.7

i

Textile, paper, and chemical materials 95.1

DEC

JAB

80.

dO. 4J
I
79. 4 |

98. 01
75. 71
1
1
82. H

65. 6

80. 1
7S. 0

83. 7

Table 4

Output, Capacity, and Capacityr Utilization
Quarterly, seasonally adjusted
Series

1983
IV

OUTPUT
1984
I
II

III

1
1

CAfACIIY
1984
I
11

Industrial Materials

154.3

158.8

162.1

163.4

.Durable goods materials

150.3

157.6

162.0

164.6

195.9

197.2

197.1

IVI
1
160.5J 194. 0
1
1
162.5J 196. 5

111

194.7

1983
IV

198.3

199.5

93.8

97.3

100.3

97.2

92.0J 139. 6

139.1

138.5

137.9

Raw steel
Aluminum

82.8
128.6

84.5
137.5

83.1
144.9

71.6
138.1

. 1
69.91 118. 5
131.21 167. 7

117.1
167.7

114.6
167.7

112.2
167.7

183.5

183.7

186. 6

185.7

1
182.4| 220. 6

221.8

223.4

225.2
238.2

1

Textile, paper and chemical materials
Paper materials
Chemical materials
Energy materials

193.2

193.2

195.9

194.9

190.71 232. 7

234.2

236.2

167.4
235.0

165.8
236.7

168.5
240.4

171.0
238.4

167.91 167. 7
235.5J 300. 1

168.5
302.3

169.5
305.2

170.5
308.0

127.8

131.2

132.4

133.1

1
128.8| 155.3

155.8

156.4

157.0

Definition. This release contains estimates of output, capacity, and capacity utilization for the
nation's factories, mines, and electric and gas utilities. Estimates of actual output and capacity output are expressed as percentages of 1967 actual output. Estimates of capacity utilization
are calculated as ratios, in percent, of the Federal Reserve's seasonally adjusted indexes of industrial production to the indexes of capacity. The capacity indexes are based on a variety of
data, including capacity data in physical units, surveys of capacity growth and utilization rates,
and estimates of capital stock growth. Instead of a formal definition of capacity the concept of
practical capacity Is applied, which is 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.
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.




UTIIIZA1ICN
1*84
I
11

ill

1?

81.6

82.7

82.9

£0.9

76.5

79.9

81.7

82.5

€0.9

67.2

70.0

72.4

70.5

67.0

69. 3
76.7

72.2
82.0

86*4

63.8
82.3

63.7
7€.2

83.2

82.8

83.5

82.5

6C«4

83.0

82.5

82.3

81.8

79.4

99.8
78.3

98.4
78.J

99.4
78.8

100.3
77.4

97.9
75. S

82.3

84.2

84.6

84.8

81.7

1

Metal materials

Nondurable goods materials

1
1 1983
IV
ivi
1
79.6
193.41
1
2 00.81
I
137.31

109.7J
167.71
1
1
226.91
I
240.3J
i

310^91
1
1
157.61

». 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 methodology used to estimate the series is discussed in New Federal Reserve
Measures of Capacity and Capacity Utilization, Federal Reserve Bulletin, July 1983. Revised
data from 1967-82 are included in the statistical supplement to the July 1983 capacity utilization release, which may be obtained from Publications Services, Board of Governors of the
Federal Reserve System, Washington, D.C. 20551.
Rounding. The rounding algorithms applied to the capacity, output, and utilization rate series
are independent. 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 17, August 16, September 16, October 17, November 18, and December 16.