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Contact Information:

Department of Ecology
PO Box 47600
Olympia, WA 98504-7600

(360) 407-6875

Or view the Department's
Website

Relevant State
Sites:

Washington Utilities and Transportation Commission

Washington Energy Facility Site Evaluation Council

Washington Air Emissions Regulations

Major Utilities:

Avista Corporation

PacifiCorp

Puget Sound Energy

Select Another State

Specific Issues:

EMISSIONS REGULATIONS

GUIDE TO FEDERAL REGULATIONS

STATE ENVIRONMENTAL REGULATIONS

SITING REGULATIONS

EXIT FEES

STANDBY RATES

BUILDING, ZONING
AND FIRE CODES


AMMONIA ISSUES

REPORTING REQUIREMENTS

ECONOMIC INCENTIVES

WASHINGTON

Air Emissions Regulations | Siting Regulations | Regulatory Codes | Standby Rates

AIR EMISSIONS REGULATIONS:


Washington's General Regulations for Air Pollution Sources, last updated on September 6, 2007 can be found here.

Air Quality Status One area is in serious nonattainment for CO. For PM-10, one area is in moderate nonattainment and one area is in severe nonattainment.
EPA's Nonattainment Areas
Major Source Threshold A potential to emit 250 tons per year of any criteria pollutant in attainment areas. A potential to emit 70 tons per year of PM-10 and 50 tpy in serious nonattainment areas. A potential to emit 100 tons per year of all other criteria pollutants in nonattainment areas
Minor Source Permitting Exemption Based on PTE
Minor Source Treatment State BACT
Emergency Generating Limits None

CARBON DIOXIDE STANDARD:

Washington is the second state in the nation, after Oregon to enact a law specifically requiring CO2 emissions offsets from new power plants. On March 09, 2004 the Washington legislature approved House Bill 3141, which requires fossil-fueled power plants with a generating capacity of 25 megawatts or more to mitigate 20% of the CO2 emissions the plant produces over 30 years. This requirement also applies to new power plants seeking site certification and existing plants that increase production of CO2 emissions by 15%.

Washington's regulations implementing the CO2 offset requirements from new power plants are Chapter 173-407 WAC – “Carbon Dioxide Mitigation Program for Fossil-Fueled Thermal Electric Generating Facilities.” The Washington State Department of Ecology (DEC) is currently working on amending this regulation to include an emissions performance standards required by SB 6001, which requires the adoption of California's emissions performance standard of 1,100 lbs of CO2/MWh for all new, long-term baseload electric power generation contracts.

Washington also has set statewide greenhouse gas reduction targets with SB6001 and HB2815. Then the state is a member of the Western Climate Initiative, a regional initiative with greenhouse gas targets of 15% below 2005 levels by 2020.

DE MINIMIS EXEMPTIONS:

Sources with a potential to emit less than the thresholds listed below are exempt from permitting. State notification is required for these sources:
  • PM-10: 1.25 tpy

  • NOx, SO2 and VOCs: 2.0 tpy

  • CO: 5.0 tpy

  • Lead 0.005 tpy

  • Ozone Depleting Substances: 1.0 tpy
  • The owner/operator may begin actual construction on the project thirty-one days after the permitting agency receives the summary, unless the permitting agency notifies the owner/operator within thirty days that the proposed new source requires a notice of construction application.

    MINOR SOURCE PERMITTING:

    A state BACT analysis for the appropriate pollutant will be required for all minor sources with a potential to emit more than the de minimus levels listed above. However, sources may take permit limits to avoid BACT. The cost threshold for state BACT is approximately $2,000 per ton, however officials are more concerned with NOx so the threshold may be a little higher for this pollutant. A unique analysis must be completed for each permit.

    A permit requires a 30 day public comment. The whole permitting process usually takes around 120 days.

    MAJOR NSR/PSD PERMITTING:

    If the unit is located in an attainment area then a potential to emit 250 tons of any criteria pollutant triggers PSD. A potential to emit 70 tons of PM in the serious nonattainment and 100 tons in the moderate nonattainment areas triggers NSR. 50 tons per year of CO triggers NSR in the serious nonattainment area.
    All sources with combined aggregate heat inputs of combustion units equal or less than the following are exempt from NSR in attainment areas:
  • less than or equal to 500,000 Btu/hr using oil

  • less than or equal to 1MMBtu/hr using kerosene, #1 or #2 fule oil and with less than or equal to 0.05% sulfur

  • less than or equal to 4 MMBtu/hr using natural gas, propane, or LPG


  • TREATMENT OF EMERGENCY ENGINES:

    There is no special treatment or provision for emergency units.

    SITING REQUIREMENTS FOR NON-UTILITY GENERATORS:

    Electric power generating facilities that are 350 MW or greater must obtain the approval of the Washington Energy Facility Site Evaluation Council.

    Chapter 80.50 of the Revised Code of Washington (RCW) is the law which the Energy Facility Site Evaluation Council must follow in siting and regulating major energy facilities. Title 463 of the Washington Administrative Code (WAC) are the regulations by which the Energy Facility Site Evaluation Council functions under state and federal law.

    BUILDING, ZONING AND FIRE CODES:

    Washington State Building Code Council

    The State Building Code Council was created to provide independent analysis and objective advice to the legislature and the Governor's Office on state building code issues. The Council establishes the minimum building, mechanical, fire, plumbing and energy code requirements necessary to promote the health, safety and welfare of the people of the state of Washington, by reviewing, developing and adopting the state building code.

    The most recently adopted state codes can be viewed by clicking on the name below:
    Washington State Building Code:

    Washington State Mechanical Code:

    Washington State Fire Code:

    Washington State Fire Standards:

    Washington State Plumbing Code:

    Washington State Plumbing Standards:

    Washington State Energy Code:

    Washington State Ventilation and Indoor Air Quality Code:
    Rules for the storage and handling of anhydrous ammonia

    International Code Council State Adoption Information Page

    Provides an easy to use US map to locate state and local adoption of the International Code Council's model codes.

    US DOE's Office of Building Technology, State and Community Programs, Building Codes Database

    The US DOE's database provides a comprehensive look at a state's building code implementation and enforcement process.

    UTILITY STANDBY RATES:

    Puget Sound Energy


    Schedule 25, Small Demand General Service prices as of 6/2008
    Load Size >50kW but <= 350 kW
    Basic Charge $27.20/month
    Demand Charge no charge for the first 50kW of billing demand
    Metering Service n/a
    Back-up/Standby/Emergency Demand Charge, Monthly Rate: no charge for the first 50 kW

    Oct-Mar: $8.31/kWh
    Apr-Sept: $5.54/kWh

    Energy Charge Base Rate, Oct-Mar

    $0.082/kWh for the 1st 20,000 kWh
    $0.055/kWh for all over 20,000 kWh

    Energy Charge Base Rate, Apr-Sept

    $0.074/kWh for the 1st 20,000 kWh
    $0.0604/kWh for all over 20,000 kWh

    Reactive Power Charge 0.0265 cents per reactive kilovolt ampere-hour (KVARH)

    The reactive power charge applies to those electric loads with a maximum demand of 100 kW or higher.

    Net-Metering n/a
    Company Power Purchase n/a


    Schedule 91, Cogeneration and Small Power Production
    Load Size 2 MW or less
    Basic Charge varies according to the applicable schedule - schedule 24, 25, 26 & 31 all outline basic charges depending on the size of the cogen or small power production facility
    Metering Service n/a
    Rates for the Purchase of Energy The monthly rate per kWh which the company will pay with be either:

    a) the Production Proxy Price
    b) the Market Price, whichever is lower, less 5.0% for balancing costs

    INTERCONNECTION STANDARDS:

    The State has the following requirements:

    Applicable Technologies: Solar Thermal Electric, Photovoltaics, Landfill Gas, Wind, Biomass, Hydroelectric, Geothermal Electric, Fuel Cells, Municipal Solid Waste, CHP/Cogeneration, Anaerobic Digestion, Small Hydroelectric, Tidal Energy, Wave Energy, Microturbines, Other Distributed Generation Technologies

    Net Metering Rules: Yes

    Size Requirements:20 MW, no overall enrollment limit

    Interconnection Agreement: No

    Additional Insurance: not required for systems eligible for net metering

    External Disconnect Necessary: Yes (waiver possible)

    * Information on Washington's recent interconnection amendments adopted in October 2007 can be found here.





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