The most efficient big non-production user on GPGrid who used more than 100,000 hours since August 1, 2016 was Tommaso Pajero with 99.1% efficiency.
| Experiment | User | Wall Time[Hours] | Efficiency[%] |
| CDMS | Tommaso Pajero |
122,251 |
99.1% |
| MU2E | lisabetta Spadaro Norella |
193,063 |
98.6% |
| MU2E | Iuri Oksuzian |
135,712 |
98.6% |
| LAriAT | Brandon Soubasis |
657,713 |
98.5% |
| SBND | Davio A. Cianci |
313,858 |
97.9% |
| MARS | Igor Rakhno |
349,868 |
97.4% |
| MARS | Sergei I. Striganov |
115,616 |
96.2% |
| MARS | Igor Tropin |
231,437 |
95.7% |
| DARKSIDE | Chengliang Zhu |
314,492 |
95.7% |
| MARS | Diane Reitzner |
155,674 |
95.2% |
| MU2E | Zhengyun You |
613,000 |
95.0% |
| MARS | Daniel Ruterbories |
127,721 |
94.3% |
| SeaQuest | Kun Liu |
496,840 |
92.4% |
| NOvA | Stefano Germani |
148,504 |
91.9% |
| MINERvA | Minerba Betancourt |
170,350 |
91.4% |
| DUNE | Tyler Johnson |
100,518 |
91.3% |
— Tanya Levshina