Day-Ahead and Real-Time Pricing in NYISO

We recently looked at the Day-Ahead and Real-Time electricity markets in PJM. The New York Independent System Operator (NYISO) also operates a two settlement process with Day-Ahead (DA) and Real-Time (RT) markets, which are the subjects of this article. First some background. The NYISO, like only two other ISOs (CalISO and ERCOT), serves only one…

Read More

Day-Ahead and Real-Time Pricing During a Heat Wave

PJM operates two markets for energy, the Day-Ahead (DA) Market and the Real-Time (RT) Market. PJM’s Day-Ahead Market is a forward market in which hourly LMPs (locational marginal prices) are calculated for the next operating day based on generation offers, demand bids, and scheduled bilateral transactions. PJM’s Real-Time Market is a spot market in which…

Read More

Energy Prices Always Go Up (Part 4)

As discussed several times previously on this blog, there is a common perception that energy prices always go up. We have examined both natural gas prices (read hereand here) and electricity prices (read here). In this post, we look again at electricity prices–specifically, how they behaved in PJM last year. PJM zonal day-ahead load weighted…

Read More

Avalon Energy Services Completes New Energy Supply Contracts on behalf of Donohoe Real Estate Services

BETHESDA, Md., May 14, 2013 – Avalon Energy Services, the Mid-Atlantic’s leading energy consulting firm, announced today that they successfully completed an electricity procurement for 19 commercial real estate properties managed by Donohoe Real Estate Services. The properties are located in Maryland and the District of Columbia. Under the new contracts, the properties will save…

Read More

What Does a Superstorm Look Like?

In previous blog posts, we have examined how weather and other events affect electricity prices. What Does a Derecho Look Like? What Does a Warm Day Look Like? What Does an Earthquake Look Like? We continue this series by looking at how Superstorm Sandy impacted electricity prices in the PJM service area. After marching northward…

Read More

What Does a Derecho Look Like?

Late Friday, June 29, 2012 a destructive set of thunderstorms swept through the Mid-Atlantic region. With winds of up to 80 mph, the storms produced extensive damage and left several million utility customers without electricity. The National Weather Service (NWS) refers to this kind of fast-moving, long-lived, large, and violent thunderstorm complex as a “derecho.”…

Read More

What does a warm day look like?

What does a warm day look like? Here are several ways of looking at one particularly warm day – June 21, 2012. The blue line on the graph below shows instantaneous electricity demand in PJM (see note 1). Electricity demand ebbed to 88,367 megawatts at 4:25 AM and then began to rise as temperatures in…

Read More

Long Tailed Fish Swimming East

Markets adjust. There are perhaps few better examples of that adage than the crude oil and natural gas markets. One way of looking at how these two markets adjust is through the rotary rig count. Baker Hughes keeps track of the number of active drilling rigs in the US (and also internationally). Since July 1987,…

Read More