Long Island's big six powerhouses

Here are the powerhouses of Long Island. Nearly every volt of power that comes into our homes comes from one of these six plants. But they are antiques. Some of them will need to be retrofitted for this century and the others will be retired.

Northport Power Station

Opened: 1967-77
Capacity: 1,540 megawatts
Fuel types: Oil and natural gas
Plan: Fix it. Upgrade to modern, efficient plant. Needs to be made more efficient, etc.
Cost: $1.6 billion to $1.9 billion.

Port Jefferson Power Station

Opened: 1948-58 (several upgrades)
Capacity: 362 megawatts
Fuel types: Oil and natural
Plan: Fix it. Upgrade to modern, efficient plant.
Cost: $614 million to $685 million
Plan B: Electric cable receiving/converter station

E.F. Barrett Power Station -- Island Park

Opened: 1956
Capacity: 380 megawatts
Fuel types: Oil and natural gas
Plan: Fix it. Upgrade to modern, efficient plant.
Cost: $940 million

Glenwood Generating Station -- Glenwood Landing

Opened: 1930-1954
Capacity: 210 megawatts. Used primarily to meet demand during consumption spikes.
Plan: Close it? Possible retirement

Far Rockaway

Opened: 1953
Fuel: Natural gas
Capacity: 108 megawatts
Plan: Close it? Possible retirement

Caithness Long Island Energy Center

Opened: 2009
Capacity: Combined cycle plant produces 285 megawatts
Fuel types: natural gas, oil
Plan: Expand it. Caithness has proposed building a second on the property, doubling its capacity.
Cost: $1.59 billion