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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 39 7563 7294 2075 1924 135 8424

Jay Apt publications per year

The chart shows the history of publications by Jay Apt between 1975 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jay Apt published across 50 years, from 1975 to 2024, averaging 3.1 papers a year. Output peaked at 15 publications in 2013. 8 of the 157 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1975 to 2024. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2013. 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 1 publication 1980: 2 publications 1981: 1 publication 1982: 1 publication 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 2 publications 1997: 1 publication 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 1 publication 2004: 6 publications 2005: 5 publications 2006: 9 publications 2007: 9 publications 2008: 11 publications 2009: 10 publications 2010: 9 publications 2011: 6 publications 2012: 13 publications 2013: 15 publications 2014: 10 publications 2015: 5 publications 2016: 7 publications 2017: 4 publications 2018: 4 publications 2019: 5 publications 2020: 4 publications 2021: 2 publications 2022: 4 publications 2023: 6 publications 2024: 2 publications
1975 2024

157 publications in total across all disciplines

View publications per year as a table
Jay Apt: publications per year, 1975 to 2024
Year Publications
1975 1
1976 0
1977 0
1978 0
1979 1
1980 2
1981 1
1982 1
1983 1
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 2
1997 1
1998 0
1999 0
2000 0
2001 0
2002 0
2003 1
2004 6
2005 5
2006 9
2007 9
2008 11
2009 10
2010 9
2011 6
2012 13
2013 15
2014 10
2015 5
2016 7
2017 4
2018 4
2019 5
2020 4
2021 2
2022 4
2023 6
2024 2
Total 157
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Jay Apt publications per year - data summary

  • Jay Apt, a Engineering and Technology scholar from Carnegie Mellon University, has 157 publications recorded across 50 years, from 1975 to 2024.
  • The oldest publication on record dates to 1975 and the most recent to 2024.
  • The most productive year is 2013, with 15 publications.
  • The least productive years with any output are 1975, 1979, 1981, 1982 and others, with 1 publication each.
  • 20 of the 50 years in the span carry no publications at all (1976, 1977, 1978, 1984 and others).
  • The rate of publication averages 3.1 papers per year over the whole span, or 5.2 per year counting only the 30 years with at least one publication.
  • The last 5 years on the chart (2020-2024) hold 18 publications, 11% of the career total.
  • Split into equal eras - 1975-1991: 7 publications (0.4 per year); 1992-2008: 44 publications (2.6 per year); 2009-2024: 106 publications (6.6 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Jay Apt publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Jay Apt sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 128–137 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 135 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341
128–137 386 135
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
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Jay Apt publication distribution in Engineering and Technology in 2026 - data summary

  • The chart plots the publication count of all 9,796 Engineering and Technology scientists ranked by Research.com in 2026, grouped into 78 ranges running from 38–47 to 804+ publications.
  • Jay Apt, a Engineering and Technology scholar from Carnegie Mellon University, records 135 publications - the 21st percentile of the discipline.
  • 21% of ranked Engineering and Technology scientists score the same or lower than Jay Apt, and about 79% score higher.
  • The median of the discipline falls in the 198–207 publications range, and Jay Apt ranks below the median.
  • The most crowded range is 148–157 publications, holding 457 scientists (5% of the field).
  • 61% of the field sits in the lowest quarter of the value range (up to 228–237 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 804 publications or more, 100 scientists in all (1% of the field).

Jay Apt D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Jay Apt sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 39 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385 39
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
Download as CSV

Jay Apt D-index placement in Engineering and Technology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,796 Engineering and Technology scientists ranked by Research.com in 2026, grouped into 78 ranges running from 30 to 107+ D-Index.
  • Jay Apt, a Engineering and Technology scholar from Carnegie Mellon University, records 39 D-Index - the 24th percentile of the discipline.
  • 24% of ranked Engineering and Technology scientists score the same or lower than Jay Apt, and about 76% score higher.
  • The median of the discipline falls in the 47 D-Index range, and Jay Apt ranks below the median.
  • The most crowded range is 42 D-Index, holding 426 scientists (4% of the field).
  • 57% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 107 D-Index or more, 99 scientists in all (1% of the field).

Research.com Recognitions

  • 2013 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Jay Apt is affiliated with Carnegie Mellon University in the United States. Their research primarily spans the fields of engineering and environmental science, with a particular focus on electrical and electronic engineering. Their work intersects several specialized subfields including global and planetary change, renewable energy, sustainability and the environment, safety, risk, reliability and quality, as well as control and systems engineering.

Their research topics reflect a concentration on electric power systems and sustainable energy solutions. These topics include:

  • Electric Power System Optimization
  • Power System Reliability and Maintenance
  • Integrated Energy Systems Optimization
  • Smart Grid Energy Management
  • Microgrid Control and Optimization
  • Global Energy and Sustainability Research
  • Fire effects on ecosystems

Jay Apt has published extensively in various scientific journals. Frequent publication venues include:

  • Energy Policy
  • SSRN Electronic Journal
  • Electric Power Systems Research
  • The Electricity Journal
  • Applied Energy

Highlighted recent papers from their portfolio include:

  • Resource adequacy implications of temperature-dependent electric generator availability, 2020, Applied Energy
  • Using PV inverters for voltage support at night can lower grid costs, 2022, Energy Reports
  • Dynamic operating reserve procurement improves scarcity pricing in PJM, 2020, Energy Policy
  • What causes natural gas fuel shortages at U.S. power plants?, 2020, Energy Policy
  • The importance of peak pricing in realizing system benefits from distributed storage, 2021, Energy Policy

Collaboration has been a component of their research, working frequently with co-authors such as:

  • Yamit Lavi
  • Luke Lavin
  • Sean Smillie
  • M. Granger Morgan
  • Sinnott Murphy

Jay Apt was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2013.

Best Publications

  • Lithium-ion battery cell degradation resulting from realistic vehicle and vehicle-to-grid utilization

    Scott B. Peterson;Jay Apt;J.F. Whitacre

  • The economics of using plug-in hybrid electric vehicle battery packs for grid storage

    Scott B. Peterson;J.F. Whitacre;Jay Apt

  • Economics of electric energy storage for energy arbitrage and regulation in New York

    Rahul Walawalkar;Jay Apt;Rick Mancini

  • Large blackouts in North America: Historical trends and policy implications

    Paul Hines;Jay Apt;Sarosh Talukdar

  • Evaluation of a proposal for reliable low-cost grid power with 100% wind, water, and solar

    Christopher T. M. Clack;Christopher T. M. Clack;Staffan A. Qvist;Jay Apt;Morgan Bazilian

  • The spectrum of power from wind turbines

    Jay Apt

  • The variability of interconnected wind plants

    Warren Katzenstein;Emily Fertig;Jay Apt

  • Structure and circulation of the Venus atmosphere

    G. Schubert;C. Covey;A. Del Genio;L. S. Elson

  • Regional variations in the health, environmental, and climate benefits of wind and solar generation

    Kyle Siler-Evans;Inês Lima Azevedo;M. Granger Morgan;Jay Apt

  • The character of power output from utility-scale photovoltaic systems

    Aimee E. Curtright;Jay Apt

  • Air Emissions Due To Wind And Solar Power

    Warren Katzenstein;Jay Apt

  • Economics of compressed air energy storage to integrate wind power: A case study in ERCOT

    Emily Fertig;Jay Apt

  • Cost analysis of stratospheric albedo modification delivery systems

    Justin McClellan;David W Keith;Jay Apt

  • Trends in the history of large blackouts in the United States

    P. Hines;J. Apt;S. Talukdar

  • What properties of grid energy storage are most valuable

    Eric Hittinger;J.F. Whitacre;Jay Apt

  • An economic welfare analysis of demand response in the PJM electricity market

    Rahul Walawalkar;Seth Blumsack;Jay Apt;Stephen Fernands

  • Short run effects of a price on carbon dioxide emissions from U.S. electric generators

    Adam Newcomer;Seth A. Blumsack;Jay Apt;Lester B. Lave

  • The cost of wind power variability

    Warren Katzenstein;Jay Apt

  • Net Air Emissions from Electric Vehicles: The Effect of Carbon Price and Charging Strategies

    Scott B Peterson;J F Whitacre;Jay Apt

  • Cascading Failures: Survival versus Prevention

    Sarosh N. Talukdar;Jay Apt;Marija Ilic;Lester B Lave

Frequent Co-Authors

Lester B. Lave
Lester B. Lave Carnegie Mellon University
M. Granger Morgan
M. Granger Morgan Carnegie Mellon University
Paulina Jaramillo
Paulina Jaramillo Carnegie Mellon University
Jay Whitacre
Jay Whitacre Carnegie Mellon University
David G. Victor
David G. Victor University of California, San Diego
Mitchell J. Small
Mitchell J. Small Carnegie Mellon University
Paul D. H. Hines
Paul D. H. Hines University of Vermont
Edward S. Rubin
Edward S. Rubin Carnegie Mellon University
David W. Keith
David W. Keith University of Chicago

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