The advent of neutralized Self‐Colliders(SC) has opened the way for collision rates or ‘‘luminosity’’ L, (reaction rate for &sgr;=1), orders of magnitude greater than obtained in colliding beams or beam‐on‐target experiments, L≥1×1041cm−2s−1, This facilitates direct production of tritium in self‐colliding beams in the reactiond+d→T+p+4 MeV. The tritons are extracted as a beam, decelerated, neutralized, and stored as gas. Calculations, supported by experiments and a 3‐dimensional Fokker Planck simulation on CRAY‐2 of a strong focusing self‐collider filled with 0.75 MeV deuterons of density 3.2×1014cm−3, indicated that one cell would produce 10 grams of tritium per year in a 10 liter volume at an electricity cost of 42 MWh per gram ($2,100 per gram).Laboratory benchmark test results with tritium production in SC are presented. Conceptual design of modular production plant units consisting of 10 cells and producing &bartil;100 g/year will be described. This technique does not require tritium. Tritons are extracted with purity at the 1 ppm level, there is no lithium blanket and not tritium processing requirement for chemical extraction, purification or separation. ©American Institute of Physics 1995