I kēia mau lā iho nei, ua hana ʻo NSEN i kahi papahana hou me 635 mau kiwikā ʻekolu offset. Ua hoʻokaʻawale ʻia ka lawe ʻana o nā kiwikā i kekahi mau ʻāpana, ua aneane pau nā kiwikā kila kalapona, a ke koe nei nā kiwikā kila kila i ka mīkini ʻana. ʻO ia ka papahana nui hope loa a NSEN e hana nei i ka makahiki 2020.

I kēia pule, ua hoʻouna ʻia nā kiwikā eccentric hou i hoʻopau ʻia ma ka nui WCB DN200 &350 i nā mea kūʻai aku.