There is a well-known saying that nuclear fusion is always 30 years away. Since that saying was first coined, many 'commercial' fusion companies have been founded. These companies hope to generate electricity from nuclear fusion much sooner. This graph illustrates that General Fusion keeps making predictions that nuclear fusion is only 10 years away, and that they have failed to deliver on their early promises. The datapoints are sourced from the following locations (which are clearly attributable to the company itself):

[1] https://web.archive.org/web/20030902054635/http://www.generalfusion.com/investor.html [2] https://www.popsci.com/scitech/article/2008-12/machine-might-save-world/ [3] https://bc.ctvnews.ca/fusion-power-only-years-away-b-c-company-1.363536 [4] https://www.technologyreview.com/2009/07/31/30440/a-new-approach-to-fusion/, https://www.nextbigfuture.com/2009/07/general-fusion-technical-challenge-of.html, https://web.archive.org/web/20090803184307/http://www.technologyreview.com/business/23102/page2 [5] https://web.archive.org/web/20110128113542/http://generalfusion.com/ [6] https://web.archive.org/web/20110515155444/http://www.generalfusion.com/downloads/gf_pr_series_b.pdf [7] https://www.nextbigfuture.com/2011/05/general-fusion-raises-more-money-and.html [8] https://fire.pppl.gov/fpa11_laberge_GF.pdf [9] https://fire.pppl.gov/FPA12_Richardson_GF.pdf [10] https://www.corporateknights.com/clean-technology/a-path-forward-for-nuclear/ [11] https://time.com/4082939/inside-the-quest-for-fusion-clean-energys-holy-grail/, https://time.com/magazine/south-pacific/4083150/november-2nd-2015-vol-186-no-18-asia-europe-middle-east-and-africa-south-pacific/ [12] https://www.cbc.ca/news/canada/british-columbia/canada-nuclear-fusion-2030-1.3953187 [13] https://mashable.com/article/nuclear-fusion-company-plans-to-make-carbon-free-energy [14] https://www.bbc.com/news/business-46219656 [15] https://www.cbc.ca/news/business/green-power-fusion-1.4981885 [16] https://podcasters.spotify.com/pod/show/fusionindustry/episodes/Fusion-News-Extra-In-conversation-with----Jay-Brister-e157p67 [17] https://gridforward.podbean.com/e/fusion-energy-in-the-era-of-reneewables-with-jay-brister-wal-van-lierop/ [18] https://committees.parliament.uk/writtenevidence/111966/pdf/ [19] https://generalfusion.com/post/general-fusion-exceeds-core-technology-performance-targets-with-plasma-and-compression-prototypes/ [20] https://etfthinktank.tidalfinancialgroup.com/2023/02/21/get-think-tanked-distilled-with-klaas-de-boer/ [21] https://web.archive.org/web/20030902054635/http://www.generalfusion.com/investor.html [22] https://web.archive.org/web/20070517202358/http://www.generalfusion.com/investor.php [23] https://web.archive.org/web/20081204072155/http://www.generalfusion.com/investor.php [24] https://bc.ctvnews.ca/fusion-power-only-years-away-b-c-company-1.363536 [25] https://www.technologyreview.com/2009/07/31/30440/a-new-approach-to-fusion/ [26] https://newatlas.com/general-fusion-nuclear-prototype/12420/ [27] https://web.archive.org/web/20110128113542/http://generalfusion.com/ [28] https://www.bcbusiness.ca/the-audacity-of-general-fusion [29] https://fire.pppl.gov/fpa11_laberge_GF.pdf [30] https://fire.pppl.gov/FPA12_Richardson_GF.pdf [31] https://fire.pppl.gov/FPA13_Richardson_Gen_Fusion.pdf

[32] https://www.fusionindustryassociation.org/wp-content/uploads/2023/07/FIA%E2%80%932023-FINAL.pdf