Momentum is increasing towards a flexible electricity system based on renewables

1. World Energy Outlook (International Energy Agency, 2015).

2. Renewables 2015 Global Status Report (REN21, 2015).

3. Fouquet, R. The slow search for solutions: Lessons from historical energy transitions by sector and service. Energy Policy 38, 6586–6596 (2010).10.1016/j.enpol.2010.06.029 ↗

4. Joskow, P. L. Lessons learned from electricity market liberalisation. Energy J. 29, 9–42 (2008).10.5547/ISSN0195-6574-EJ-Vol29-NoSI2-3 ↗

5. Ueckerdt, F., Kempener, R. From Baseload to Peak: Renewables Provide a Reliable Solution (IRENA, 2015).

6. Sovakool, B. Energy policymaking in Denmark: Implications for global energy security and sustainability. Energy Policy 61, 829–839 (2013).10.1016/j.enpol.2013.06.106 ↗

7. IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation (eds Edenhofer, O. et al.) (Cambridge Univ. Press, 2011).10.1017/CBO9781139151153 ↗

8. McCrone, A., Moslener, U., Usher, E., Grü ning, C. & Sonntag-O'Brien, V. (eds) Global Trends in Renewable Energy Investment (FS-UNEP Centre, 2015).

9. Larsen, T. H. Offshore wind and integration in Northwest Europe's grid. http://go.nature.com/msoHLd (2015).

10. Barbose, G., Darghouth, N. Tracking the Sun VIII: The Installed Price of Residential and Non-Residential Photovoltaic Systems in the United States (Lawrence Berkeley National Laboratory, 2015); http://go.nature.com/kzOJtG10.2172/1227796 ↗

11. Fraunhofer, ISE. Photovoltaics Report, 17 November 2015. http://go.nature.com/GQgtqs (2015).

12. Matthews, J. A., Tan, H. Manufacture renewables to build energy security. Nature 513, 166–168 (2014).10.1038/513166a ↗

13. Zinaman, O. et al. Power Systems of the Future (National Renewable Energy Laboratory, 2015).10.1016/j.tej.2015.02.006 ↗

14. 12 Insights on Germany's Energiewende (Agora Energiewende, 2013). http://go.nature.com/1TooHl

15. SET Plan Conference 2015; http://www.setplan2015.lu/

16. The Integration Cost of Wind and Solar Power. An Overview of the Debate on the Effects of Adding Wind and Solar Photovoltaic into Power Systems (Agora Energiewende, 2015); http://go.nature.com/q1fez6

17. Annual Report on the Results of Monitoring the Internal Electricity and Natural Gas Markets in 2014 (ACER/CEER, 2015); http://go.nature.com/hSOnOB

18. Stappel, M., Gerlach, A.-K., Scholz, A. & Pape, C. The European Power System in 2030: Flexibility Challenges and Integration Benefits. (Fraunhofer IWES, 2015); http://go.nature.com/tXmDkD

19. An Electricity Market for Germany's Energy Transition (Federal Ministry for Economic Affairs and Energy, 2015); http://go.nature.com/KEXADe

20. Launching the Public Consultation Process on a New Energy Market Design. (European Commission, 2015); http://go.nature.com/t1bb9o

21. The Danish Experience of Integrating Variable Power Renewable Energy (Ea Energy Analyses, 2015); http://go.nature.com/Kpnu7a

22. Ekins, P., Bradshaw, M. & Watson, J. (eds) Global Energy: Issues, Potentials and Policy Implications (Oxford Univ. Press, 2015).10.1093/acprof:oso/9780198719526.001.0001 ↗

23. Cuff, M. Renewables meet record-breaking 78 per cent of German electricity demand. Business Green (2015); http://go.nature.com/XpAu1G

24. Kungl, G. Stewards or sticklers for change? Incumbent energy providers and the politics of the German energy transition. Energy Res. Soc. Sci. 8, 13–23 (2015).10.1016/j.erss.2015.04.009 ↗

25. Vasagar, J. Eon profit down as clean energy squeezes power price. Financial Times (13 August 2014); http://go.nature.com/SWZrgY

26. Vasagar, J. RWE warns core earnings will fall amid energy market shake-up. Financial Times (10 March 2015); http://go.nature.com/BilBFI

27. Buck, T. Iberdrola calls for energy reforms to back ‘efficient’ renewables. Financial Times (21 June 2015); http://go.nature.com/YN6nzp

28. Crouch, D. Write down moves Vattenfall to restructure. Financial Times (23 July 2013); http://go.nature.com/642BJA

29. Deduleasa, A. Wind gets own business unit as Vattenfall restructures. RECharge (15 January 2015); http://go.nature.com/5XQjhK

30. Thomas, H. Enel has utility in troubled power market. Wall Street Journal (23 April 2015); http://go.nature.com/6ko5RW

31. New corporate strategy: E.ON to focus on renewables, distribution networks, and customer solutions and to spin off the majority of a new, publicly listed company specializing in power generation, global energy trading, and exploration and production. E.ON (30 November 2014).

32. Burtin, A. & Silva, V. Technical and Economic Analysis of the European Energy System with 60% RES (EDF, 2015); http://go.nature.com/uUCRIK

33. Mitchell, C. No Resource is 100% Reliable: Embracing change and capturing opportunities of the ‘new’ energy system requires a new mind set. IGov (5 August 2015); http://go.nature.com/ytmAAb

34. Sustainable FERC project. FERC http://sustainableferc.org/ (2015).

35. Crossley, D. Increasing opportunities for utility delivery of DSM and energy efficiency in China. Regulatory Assistance Project (2 July 2015); http://go.nature.com/PSEeLw

36. Quality of Care – SAIDI Values 2006–2014 (Bundesnetzagentur, accessed 17 December 2015); http://go.nature.com/IzBTk3

37. Development of Renewable Energy Sources in Germany 2014 (Federal Ministry for Economic Affairs and Energy, 2015); http://go.nature.com/miyRHz

38. Will Solar, Batteries and Electric Cars Re-shape the Electricity System? (UBS, 2014); http://go.nature.com/3usVlU

39. The Unsubsidised Solar Revolution (UBS, 2013); http://go.nature.com/PGPxmA

40. McMahon, J. Did Tesla just kill nuclear power? Forbes (1 May 2015); http://go.nature.com/yyG6IQ

41. Dupuy, M. Obama–Xi joint presidential statement on climate change promises much-needed reform of generator dispatch in China. Regulatory Assistance Project (25 September 2015); http://go.nature.com/EAhWnD

42. Mitchell, C., Froggatt, A. & Hoggett, R. Governance and Disruptive Energy System Change (IGov, 2015); http://go.nature.com/YNdN1m

43. Channell, J. et al. Energy Darwinism – The Evolution of the Energy Industry (Citi GPS, 2013); http://go.nature.com/75ujoH

44. Pan-European Utilities The Lost Decade – Where Next (Citi Research, 2013).

45. Solar Power & Energy Storage: Policy vs. Improving Economics. (Morgan Stanley, 2014).

46. Randall, T. Tesla's battery grabbed $800 million in its first week. Bloomberg Business (8 May 2015); http://go.nature.com/GWWUMf

47. Ibikunle, G. & Steffen, T. European green mutual fund performance: a comparative analysis with their conventional and black peers. J. Bus. Ethics http://doi.org/bbtm (2015).10.1007/s10551-015-2850-7 ↗

48. Non-traditional Business Models: Supporting Transformative Change in the Energy Market (Ofgem, 2015); http://go.nature.com/cwzv4s

49. Mason, P. Post Capitalism: A Guide to Our Future. (Allen Lane, 2015).

50. Tomlinson, C., Cainey, J., Price, A. & Handford, J. Local Energy Markets (LEMMA, 2013).

51. Dupuy, M. & Weston, F. Power Sector: Deepening Reform to Reduce Emissions, Improve Air Quality and Promote Economic Growth (Paulson Institute, 2015).

52. Report on India's Renewable Electricity Roadmap 2030: Towards Accelerated Renewable Electricity Deployment (Government of India, 2015); http://go.nature.com/dd48oU

53. Intended Nationally Determined Contribution Towards Achieving the Objective of the United Nations Framework Convention on Climate Change (Federal Republic of Brazil, 2015).

54. Goldenberg, S. & Roberts, D. Brazil announces massive reforestation and renewable energy plan with US. The Guardian (30 June 2015).

55. Power People Planet: Seizing Africa's Energy and Climate Opportunities (Africa Progress Panel, 2015).

56. Power Shifts: Emerging Clean Energy Markets (The Pew Charitable Trusts, 2015).

57. Carvalho, A. The Pope's encyclical as a call for democratic social change. Nature Clim. Change. 5, 905–907 (2015).10.1038/nclimate2799 ↗

58. Encyclical Letter on Care for our Common Home. (The Holy See, 2015); http://go.nature.com/g2dKbY

59. McGrath, M. Islamic call on rich countries to end fossil fuel use. BBC News (18 August 2015).

60. Toward a Sustainable Energy Future for all: Directions for the World Bank Group's Energy Sector (World Bank, 2009).

61. Coady, D., Parry, I., Sears, L. & Shang, B. How Large are Global Energy Subsidies? (International Monetary Fund, 2015).10.5089/9781513532196.001 ↗

62. Magrath, J. Africa's renewable future — the coming energy revolution. Oxfam Blogs (5 June 2015); http://go.nature.com/Oaw93Q

63. Where Next for the Smart Energy Consumer? Findings on Consumer Impacts from the Low Carbon Networks Fund So Far (Citizens Advice, 2015).

64. Hanks, K. & Richards, J.-A. Let Them Eat Coal: Why the G7 Must Stop Burning Coal to Tackle Climate Change and Fight Hunger (Oxfam, 2015).

65. Unburnable Carbon — Are the World's Financial Markets Carrying a Carbon Bubble? (Carbon Tracker Initiative, 2014).

66. Clark, P. Mark Carney warns investors face ‘huge’ climate change losses. Financial Times (29 September 2015); http://go.nature.com/9dCead

67. Keep it in the Ground Campaign. Guardian http://www.theguardian.com/environment/series/keep-it-in-the-ground (accessed 15 December 2015).

68. Darghouth, N. R., Wiser, R., Barbose, G. & Mills, A. Net Metering and Market Feedback Loops: Exploring the Impact of Retail Rate Design on Distributed PV Deployment (Ernest Orlando Lawrence Berkeley National Laboratory, 2015).10.2172/1234539 ↗

69. Lacey, S. Morgan Stanley: fixed charges on solar may cause ‘tipping point’ for grid defection. Greentech Media (4 August 2014); http://go.nature.com/lXsDwQ

70. The Economics of Grid Defection (Rocky Mountain Institute, 2015).

71. Stirling, A. Alternative energy pathways: making democratic choices. University of Sussex http://go.nature.com/PMQwlV (2014).

72. Conference of Parties 21: Adoption of the Paris Agreement (UNFCCC, 2015); http://go.nature.com/wVVP7T

73. Clean Power Plan for Existing Power Plants (United States Environmental Protection Agency, 2015).

74. Proceeding on motion of the commission in regard to reforming the energy vision. New York State Department of Public Service http://go.nature.com/T6NReO (2015).

75. Mitchell, C. New thinking: NY reforming the energy vision — an update. IGov (19 August 2015); http://go.nature.com/XgPFj4

76. Kungl, G. The Incumbent German Power Companies in a Changing Environment. A Comparison of E. ON, RWE, EnBW and Vattenfall from 1998 to 2013 (University of Stuttgart, 2014).

77. A Different Energy Future: Where Energy Transformation is Leading Us (PricewaterhouseCoopers, 2015).

78. The Road Ahead — Gaining Momentum from Energy Transformation (PricewaterhouseCoopers, 2015).

79. http://www.buerger-energie-berlin.de/

80. Technology Roadmap: Solar Photovoltaic Energy (International Energy Agency, 2014).

81. Pescia, D., Graichen, P. & Jacobs, D. Understanding the Energiewende. FAQ on the Ongoing Transition of the German Power System (Agora Energiewende, 2015).

82. REthinking Energy: Towards a New Power System (International Renewable Energy Agency, 2014); http://go.nature.com/YGBj9E

83. Renewable Energy Capacity Statistics 2015 (International Renewable Energy Agency, 2015); http://go.nature.com/sGF7iV