Freeport Generating Project Project Description

• Modernization projects at Power Plant #2• Developers – Freeport Electric and Selected Development

Company• Adjoining Facilities – (2) General Electric LM-6000s, simple

cycle design represents state of the art efficient and clean power generation technology

• Output – Freeport Electric 45-50 MW– Development Company 45-50 MW

• Fuel – Natural Gas with a back up of Low Sulfur distillate oil• Decommission diesel units 1&2 • Retention of existing combustion turbine for backup, emergency

use only

Freeport Generating Project Village Project Purpose

• Meet Freeport Electric’s Installed Capacity Requirements for Long Island-based generation set by NY Independent System Operator (NYISO)

• Replace older diesel generation at PP#2 • Reduce Emissions • Moderate energy costs during peak load periods • Eliminate deficiency payments for Capacity • Improve Operating Capability • Provide capacity for future load and economic

growth

Freeport Generating Project Developer Project Purpose

• Supply power utilizing environmentally competitive technology

• Produce power at market competitive prices

• Develop project with high level of reliability and operating flexibility to meet regional Long Island demand

• Create generation resource base to support market objectives

Freeport Generating ProjectKey Environmental Permits and

Approvals• New York State Environmental Quality

Review (SEQR)

• New York State Department of Environmental Conservation Air Permit

• Natural Gas Pipeline Route (New York State Public Service Commission – Article VII Review)

Freeport Generating ProjectOther Environmental Areas of Concern

• Threatened and Endangered Species

• Wetlands

• Stormwater and Seasonal Storms

• New York State Office of Parks, Recreation, and Historic Preservation

Freeport Generating Project

Freeport Generating Project

Freeport Generating ProjectAir Quality Improvements

• Retirement of two existing, older, Fiat diesel generators

• Installation of two efficient and clean firing GE LM6000 combustion turbines

• Use of clean burning fuels to minimize emissions of sulfur dioxide (SO2) and particulate (PM10)

– Natural gas as primary fuel

– Low sulfur (0.05%) distillate oil as backup fuel if gas supply is interrupted

• Use of state-of-the art emissions control systems

– Selective Catalyst Reduction (SCR) to control nitrogen oxides (NOx)

– Oxidation catalyst to control carbon monoxide (CO)

Freeport Generating ProjectAir Quality Improvements

• Use of higher stacks (170 feet above local ground level) near Good Engineering Practice stack height defined by U.S. Environmental Protection Agency (EPA) will minimize local impacts of emissions

• Maximum predicted impacts of proposed LM6000 combustion turbines considered insignificant under EPA criteria

• Potential to improve existing air quality on Long island through the displacement of power generation from existing, older technology and less efficient power plants

Freeport Generating ProjectEmissions Controls

• New combustion turbines at Power Plant #2 will use state-of-the-art emissions control technology, good combustion practices, and clean burning fuel

• New combustion turbines will achieve significantly lower emission rates relative to existing, older technology power plants

• Advanced technologies (Selective Catalytic Reduction and water injection) will be used to control nitrogen oxide (NOx) emissions

• SCR control technology injects aqueous ammonia (solution of 81% water and 19% ammonia) to control NOx emissions

• Aqueous ammonia has been transported to and used safely for more than a decade for a wide variety of purposes (e.g., agricultural uses, power plants)

• An oxidation catalyst will be used to control emissions of carbon monoxide (CO)

• Clean fuels (natural gas with very low sulfur distillate oil backup) will minimize emissions of sulfur dioxide (SO2) and fine particulate matter (PM10)

• Continuous emissions monitors (CEMS) will be used to continuously monitor emissions of NOx

Freeport Generating ProjectNoise

• NYSDEC noise guidance document recommends increase in noise be limited to no more than 6 dba over existing levels

• Village ordinance limits commercial industrial sources at neighboring residential-zoned uses, locations where people congregate, and other industrial zoned uses

Freeport Generating ProjectProject Infrastructure Requirements

• Water Supply: 160,000 gallons / day (Peak Use)• Process Wastewater Discharge: 750 gallons / day• Solid Wastes (Non-Hazardous): No net change Above

existing conditions• Traffic

– Construction Phase• Impacts from Construction Traffic will be short term effects.

Construction is scheduled for a maximum of 5-6 months.• During the peak construction period there will be a maximum

of 150 workers per shift.

– Operation Phase• No net change above existing conditions