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Renewable Energy in the Northwest ~ A Utility Perspective. Thomas MacLean, Manager Customer Renewable Energy Programs. August 27, 2008. Renewable Energy in the Northwest. Opportunities by Size Utility Scale Distributed Commercial Distributed Residential Opportunities by Technology.

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renewable energy in the northwest a utility perspective

Renewable Energy in the Northwest~ A Utility Perspective

Thomas MacLean, Manager

Customer Renewable Energy Programs

August 27, 2008

renewable energy in the northwest
Renewable Energy in the Northwest
  • Opportunities by Size
    • Utility Scale
    • Distributed Commercial
    • Distributed Residential
  • Opportunities by Technology
wild horse solar demonstration project
Wild Horse Solar Demonstration Project
  • Located at Wild Horse Wind Farm near Ellensburg, WA
    • First utility-scale wind-solar facility in nation
    • Excellent sun - same solar resource as Houston
    • Already disturbed land
    • Existing transmission and operational synergies
    • Added tax benefits from co-location
  • 500 kW Project – 300 homes at peak
    • Largest in the Pacific Northwest by a factor of three
  • ~5 Acre footprint
  • $4-5 million in capital costs
  • 90% of facility now operational;
  • final completion spring 2008

Primary Solar Site – Former quarry, too high for wind turbines (FAA airspace concerns)

Wind Farm Layout – 127 Turbines

pse renewable acquisition strategy

≈240 aMW

≈85 aMW

10%

PSE 10% Goal

RPS Requirement

Future Renewable Acquisitions

Under Active Consideration

Existing PSE Renewables

PSE Renewable Acquisition Strategy
pacific nw renewable projects
Pacific NW Renewable Projects

Renewable Northwest Project

levelized resource cost comparison
Levelized Resource Cost Comparison

20-year Levelized Cost $/MWh

$104-155

$102-174

$42-74

$79-164

$74-118

$76-106

$44-62

$70-129

$64-67

$61-101

$60-85

$58-100

2004

2006

2008

2004

2006

2008

2004

2006

2008

2004

2006

2008

Wind

Natural Gas

Hydro

System PPAs

Notes:

2004 prices represent Mid-C delivery.

2006 and 2008 prices represent deliveries to PSE’s system

System PPAs are offers that are shorter term in nature and not tied to a specific resource.

rising wind turbine costs
Rising Wind Turbine Costs

Wind turbines comprise 60% of total project costs.

Source: Berkeley Lab database.Thorndike Landing analysis.

distributed commercial
Distributed Commercial

Renewable Energy in the Northwest

biomass active opportunities
Dairy Digesters

Wood Waste

Waste Water Treatment Plants

Landfill

Biomass -- Active Opportunities
distributed commercial renewables
Distributed Commercial Renewables
  • Green Power Program
    • Support for new, regional, small renewables
    • REC-based program
    • Primary supplier is Bonneville Environmental Foundation
    • Provides customer choice
dairy digester project lynden washington
Dairy Digester ProjectLynden, Washington
  • Single Farm- Anaerobic Digester
  • First in Washington State
  • Number of units -1 Reciprocating engine
  • Nominal output 300 kW (potential to 450 kW)
    • Project output ~2,000 MWh
    • Project costs ~$1M ($4,000/kW)
    • 1,500 Cows
  • PSE Involvement
    • Power Purchase
    • RECs
    • Interconnection
  • Construction completed fall 2004
distributed residential
Distributed Residential

Renewable Energy in the Northwest

pse solar demonstration projects
PSE Solar Demonstration Projects
  • Schools
  • Environmental Centers
  • Other Buildings
pse green tariffs
PSE “Green” Tariffs
  • Net Metering Services for Customer-Generator Systems (Schedule 150)
    • Net metering up to 100 KW
    • Surplus energy credited to customer bill
    • Eligible resources: wind, solar, anaerobic digester, hydro
  • Renewable Energy Production Incentive Payment Program (Schedule 151 works with either Schedule 150 or Schedule 91)
    • Production payments, meters AC energy before load
    • Eligible resources: wind, solar, anaerobic digester
  • Cogeneration and Small Power Production (Schedule 91)
    • Renewable production up to 2 MW
    • Current payment ~ $.077/kWh
proposed nw geothermal
Proposed NW Geothermal

Willow Springs

Baker

Neal Hot Springs

Raft River

China Cap

Newberry Crater

Crump Geyser

Currently Operating: ~14 MW (Raft River)

In Development: ~ 150 MW

In Consideration: ~ 250 MW

wave tidal power in the northwest
Wave & Tidal Power in the Northwest

Wave Projects

Makah Bay

(Finavera)

OPT Reedsport

(Ocean Power Tech.)

Douglas County

(Wavegen)

OPT Coos County

(Ocean Power Tech.)

Humboldt County

(Finavera)

Tidal Projects

Race Rocks

(Pilot)

Snohomish PUD

(Planning)

Tacoma Power

(Halted)

Willapa Bay

(Planning)

technology development
Technology Development

Early Commercial

Favorable High Market Economics

Favorable Mass Market Economics

Concept

Pilot

Wave

Tidal

Algae

CPV

CSP Solar Thermal Electric

PHEV

Biomass Gasification

Batteries

Solar PV

Dairy Digester

Fuel Cells

Wind

Traditional Biomass

Geothermal

technology development and financial support
Technology Development and Financial Support

Early Commercial

Favorable High Market Economics

Favorable Mass Market Economics

Concept

Pilot

Founder Financing

Venture Capital

Private

Commercial Financing

  • Government as Customer
  • Tax Credits for Investment (ITC)
  • Tax Credits for Production (PTC)
  • Tax Credits for Manufacturing RE (OR)
  • Promote export market
  • Reduce regulatory barriers.
  • Basic research: UW/WSU
  • Identify Washington advantages.
  • Grants & partnerships with
  • private entities.
  • Establish legal frameworks

State

&

Federal

basic research funding
Basic Research Funding

Source: Gallagher, K.S., "DOE Budget Authority for Energy Research, Development, and Demonstration Database," Energy Technology Innovation Policy, John F. Kennedy School of Government, Harvard University, February 2008.