This paper presents linear models of the most common components in the value chain for CO(2) capture and storage. The optimal investment planning of new gas power plants traditionally includes the cost of fuel versus sales of electricity and heat from the plant. If a new power plant also causes additional investments in gas infrastructure, these should be included in the optimization. With the increasing focus on global CO(2) emissions, yet another aspect is introduced in the form of technology and infrastructure for capture, transport, and storage Of CO(2). To be able to include all these aspects in the planning of new power plants, linear models for CO(2) capture and storage are formulated consistent with current models for gas, electricity, and heat infrastructures. This paper presents models for the following CO(2) infrastructure: source, combined cycle gas turbine producing electricity, heat and exhaust, capture plant, pipeline, liquefaction plant, storage, ship transport, injection pump, and demand/market.