1. ‘Renewable electricity futures study’. Available athttps://www.nrel.gov/analysis/re‐futures.html
2. Investment in Electricity Generation and Transmission
3. ‘EIA forecasts natural gas to remain primary energy source for electricity generation’. Available athttps://www.eia.gov/todayinenergy/detail.php?id=34612
4. ‘Cogeneration of heat and power’. Available athttps://ec.europa.eu/energy/en/topics/energy‐efficiency/cogeneration‐heat‐and‐power
5. A linear programming approach to expansion co‐planning in gas and electricity markets;Qiu J.;IEEE Trans. Power Syst.,2016