Federal regulations

Use Gooogle. Google is your friend. When you fashion your inquiry, indicate which country and which STATE or province you're needing the info for - Canada, US, UK, Australia, etc.?

The National Electrical Code -
http://www.neca-neis.org/safetyNEC/?fa=nec-and-neca

You do realize how IMPOSSIBLE your question is right? Given that (assuming you're talking about the US) there are 50 separate states with 50 separate departments of energy not including the federal department of energy, there isn't a single way to summarize or describe such large topic.

What exactly are you asking for specifically?

US, Virginia.. Describe major federal government laws and regulations that related to the power plant industry ( electric power industry), and how those regulations impacted the industry?

Did you go to this link? http://www.neca-neis.org/safetyNEC/?fa=nec-and-neca