To what extent should the independent system operator (ISO) and the spot market (Power Exchange) remain separate? Thinking about how the ISO must operate leads to certain conclusions.

Of necessity, the ISO will operate a noncontract market. That is, the ISO will match some supply and some demand that are not covered by generator-customer contracts.

The Gas Storage Market: What Does it Tell Us?

The authors asked pipelines

and LDCs how they used storage.

Leasing activity proved a surprise.

Since deregulation, the natural gas industry has seen tremendous changes in every sector. Competitive pressures have reorganized business strategies so much that only those firms that adapt will survive. One area that stands ripe for change is the natural gas storage market.

Why build gas storage fields?

California DSM: A Pyrrhic Victory for Energy Efficiency?

California has led the nation in utility expenditures for ratepayer-subsidized energy conservation, also called

demand-side management (DSM).1

With broad-based support from utilities, consumer representatives, environmentalists, the California Public Utilities Commission (CPUC), and the California Energy Commission (CEC), some $1.8 billion has been spent since 1990 (and $