Material Insights · Understanding the Material World

HVDC links and Polyethylene (LDPE, LLDPE)

Their prices have moved together.

HVDC links (energy) and Polyethylene (LDPE, LLDPE) (chemical): 1 relationship.

How they are linked

1. Price link: cable insulation

Cost and price · Moderate · Both ways

Modern HVDC cables use cross-linked polyethylene insulation, which is replacing oil-impregnated paper. The resin is a modest share of cost, and monthly moves correlate at 0.28 with the plastics proxy, rising only to 0.42 for yearly moves.

  • 0.28 monthly change correlation
  • 0.42 12-month change correlation
  • 1.41 fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.