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Contact Information:

Idaho Department of Environmental Quality
1410 N. Hilton
Boise, ID 83706

(208) 373-0437.

Or view the Department's
Website

Relevant State
Sites:

Idaho Public Service Commission

Idaho Air Quality Regulations

Major Utilities:

Idaho Power Company

Avista Utilities

Utah Power and Light Company (PacifiCorp)

Idaho Falls Power

Kootenai Electric Cooperative

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

IDAHO

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

AIR EMISSIONS REGULATIONS:

Air Quality Status 5 areas are in moderate nonattainment for PM-10.
EPA's Nonattainment Areas
Major Source Threshold PTE 250 tons of any criteria pollutant in attainment areas. 100 tons in nonattainment areas.
Minor Source Permitting Exemption See list below
Minor Source Treatment Modeling required, controls unlikely
Emergency Generating Limits 200 hrs per year

DE MINIMIS EXEMPTIONS:

Units are exempted from permitting based on the following sizes and operating limits:

Size Operating Limit
100 hp or smaller unlimited operation
101-200 hp less than 450 hrs/month
201-400 hp less than 225 hrs/month
401-600 hp less than 150 hrs/month


No state notification is required, but a letter is recommended and owners must keep operating records.

MINOR SOURCE PERMITTING:

Sources with a potential to emit less than 250 tons per year of all criteria pollutants in attainment areas and 100 tons per year in nonattainment areas will not be subject to controls of any kind. A unit may be subject to modeling if any HAPs are released by the unit. If modeling shows the emissions unit contributes to a violation of the NAAQS, then controls are required. Controls would most likely be restriction on the hours of operation, or perhaps a limit on the type (i.e. fuel sulfur content) of fuel combusted.

There is a 30-day public comment period and the entire permitting process takes about 135-150 days.

MAJOR NSR/PSD PERMITTING:

A potential to emit 250 tons per year of a criteria pollutant triggers PSD in attainment areas. 100 tons per year triggers NSR in nonattainment areas.

TREATMENT OF EMERGENCY ENGINES:

Stationary internal combustion engines used exclusively for emergency purposes, which are operated less than 500 hours per year and are fueled by natural gas, propane gas, liquefied petroleum gas, distillate fuel oils, residual fuel oils and diesel fuel are exempt from the permitting process. Waste oil, gasoline, or refined gasoline cannot be used.

SITING REQUIREMENTS FOR NON-UTILITY GENERATORS:

The Idaho Public Utilities Commission only issues Certificates of Public Convenience and Necessity for new regulated utility plants. Unregulated (merchant) plants do not require the commission's approval, but they must have the approval of the Idaho Department of Environmental Quality for their proposed air and/or water emissions. Local planning and zoning officials deal with the actual site development. However, the PUC acts as the mediator of disputes between a developer and local planning and zoning officials.

BUILDING, ZONING AND FIRE CODES:

Idaho Division of Building Safety

The division of building safety is responsible for enforcing the statewide adoption of building codes mandated by the Idaho legislature.

2003 survey of local building codes

Idaho State Fire Marshal

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:

Utah Power and Light Company (PacifiCorp)

Standby rates, effective as of 7/15/2006, can be found here.

Standby Service
Load Size < 2300 volts > 2300 volts
Basic Charge $75.25 $104.57
Metering Service n/a n/a
Back-up/
Standby/Emergency
May - Oct Power Rate: $11.35/kW
Nov - Apr Power Rate: $8.58/kW
May - Oct Energy Charge: 2.5504 cents/kWh
Nov - Apr Energy Charge: 2.5504 cents/kWh
May - Oct Power Rate: $9.48/kW
Nov - Apr Power Rate: $7.14/kW
May - Oct Energy Charge: 2.4806 cents/kWh
Nov - Apr Energy Charge: 2.4806 cents/kWh
Net-Metering N/A

N/A

Company Power Purchase N/A

N/A





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