The total cost of the INPC's investment programme at the Whitegate refinery which was undertaken between 1993 and 1996 was £45.2 million. £37.2 million of this was financed by the INPCF through its income from the sale of petroleum products while the balance of £8 million was financed by a joint venture partner in relation to a combined heat and power plant installed at the refinery.
During 1996, the average impact of INPC's selling prices on final selling prices was 0.7p per litre on petrol, gasoil and diesel. The current impact is 0.2p per litre and the reduction is partly due to the benefits of the investment programme in reducing costs at Whitegate refinery.