@article{optimalfuturesubtransmissionvoltvar,
  title = {Optimal Future Sub-Transmission Volt-Var Planning Tool to Enable High PV Penetration},
  year = {2019},
  eprint = {1910.10934},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1910.10934v1},
}