| Geography |
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States covered: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont
Reliability region: ISO New England (ISO-NE) sub-region of the Northeast Power Coordinating Council (NPCC) [NERC regions map
]Balancing authority: ISO New England (ISO-NE)
Load zones: Connecticut, Maine, New Hampshire, Rhode Island, Vermont, Northeastern Massachusetts/Boston (NEMA), Southeastern Massachusetts (SEMA) and Western/Central Massachusetts (WCMA).
Hub: Mass Hub
| RTO/ISO |
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ISO New England (ISO-NE) (established 1999) operates the region's power grid and wholesale electric markets:
- Energy market: two-settlement (day ahead and real-time) spot market with locational marginal pricing (an internal hub, eight load zones and more than 500 nodes),
- Interim mechanism for acquiring installed capacity,
- Forward reserves market,
- Regulation market, and
- Financial transmission rights market.
ISO-NE 2006 State of the Markets Report
Market Monitor: Hung-Po Chao – Internal Market Monitor
| Generation/Supply |
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Marginal fuel type: natural gas
Generating capacity (summer 2006): 30,895 MW
Very little new generation has been brought on line recently in New England. The ISO states that if this trend continues the region could begin to experience reliability issues as early as 2007-2008.
Capacity reserve (summer 2006): 2,768 MW (declining)
Reserve margin (summer 2006): 10% (declining)
| Demand |
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All time peak demand: 28,127 MW (set August 2, 2006)
In summer of 2006, demand reached record levels on several occasions due to extremely hot weather.
Peak demand growth: 4.6% (2006-2005)
| 2004 | 2005 | 2006 | |
|---|---|---|---|
| Summer Peak Demand (MW) | 24,116 | 26,885 | 28,127 |
| Source: Derived from ISO-NE Data | |||
Load pockets: Southwest Connecticut, Southeastern Massachusetts (SEMA), and Northeastern Massachusetts/Boston (NEMA).
| Prices |
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Annual Average Price (RTO Day-Ahead Mass Hub)
2004: $53.74/MWh
2005: $78.63/MWh
2006: $60.88/MWh
2007: $67.86/MWh