• NaturalGas.org provides an overview of the natural gas industry.
  
  
• The 'national' wholesale price for natural gas is set on the New York Mercantile Exchange. Prices for futures contracts change every minute of every business day. The latest price charts and historical data and are published on their site.
  
  
• Get breaking energy news at Bloomberg Energy.

Weather Predictions

• Weather determines your energy usage to a great extent. The National Weather Service publishes seasonal outlooks.
  
  
• Accuweather and The Weather Channel also publish forecasts.

Major California Local Distribution Companies, also called 'DisCos'.

• Pacific Gas & Electric Company (PG&E), delivers natural gas and electricity in Northern California. Records of their bankruptcy case can be found here.
  
  
• Southern California Edison (Edison), delivers electricity in Southern California outside of Los Angeles and San Diego.
  
  
• Southern California Gas Company (SoCal Gas), delivers natural gas in Southern California.
  
  
• San Diego Gas & Electric Company (SDG&E), delivers natural gas and electricity in San Diego. SDG&E is owned by the same company as SoCal Gas.
  
  
• Los Angeles District of Water & Power (LADWP), municipal provider of electricity and water in Los Angeles. No customer choice available.
  
  
• Sacramento Municipal Utilities District (SMUD), municipal provider of electricity in Sacramento. No customer choice available.

Government Resources

• Have a complaint about your local utility? The California Public Utilities Commission regulates monopoly investor-owned utilities, e.g., PG&E, SCE, SoCal Gas, and SDG&E, but not municipal utilities, such as SMUD and LADWP. 
  
  
• The US Department of Energy publishes, among many other things, a Natural Gas Weekly Update.
  
  
• The DOE also publishes an overview of the electric power industry.
  
  
• The California Energy Commission deals with a wide variety of topics.
  
  
• The California Independent System Operator runs the 'grid' in California. Check out the current system status here.
  
  
• For those with an academic bent, the University of California Energy Institute publishes numerous papers.