Summer 2004 and Beyond Lon W. House, Ph.D. 530.676.8956 www.waterandenergyconsulting.com ACWA/Edison Joint Presentation June 24, 2004.

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Presentation transcript:

Summer 2004 and Beyond Lon W. House, Ph.D ACWA/Edison Joint Presentation June 24, 2004

State of the State Utilities financially stable Electricity rates 20% higher than prior to deregulation Long term electricity contracts through 2013 Exit fees, Customer Responsibility Surcharges Increasing demand, increasing generation retirements, slow new generation construction Opportunities/incentives for self generation, demand curtailment Natural gas $5-7/MMBTU New LNG facilities in permitting stage, most withdrawn

This Summer Warm spring - early snowmelt. 1 in 5 hydro years Higher demand %. 1/2 of the increase is due to due to economic recovery and a/c in new homes in the Central Valley and Southern California Not much new generation Continued intra- zonal congestion Increased retirements Import limitations Pacific- DC Intertie limitation (estimated 750 MW decrease in imports April to September 2004, then out of service until end of year) Already had one generation related blackout and several Stage 1 emergencies Experts - if everything works according to expectations - we’ll make it If not – a hot summer, a large power plant or transmission line go down - we won’t make it

Electricity Use Depends Upon Temperature

Historic Demands

New Generation

Gone Generation

ISO Summer 2004

CEC Forecast

The Future

Electricity Use Becoming More Peaked

New Demand Side Options CPP - Critical Peak Pricing. >200kW. TOU-8- CPP, Gs-2-TOU-CPP, TOU-PA-CPP 12 summer (June-Oct) weekdays/year max, notification the day before (by 3 pm) Non-CPP days - energy costs discounted Bill protection available - never pay more than under old tariff 10 day rolling average energy baseline can also participate in Scheduled Load Reduction Program (SLRP), Demand Bidding Program (DBP), Demand Reserves Program (CPA DRP) DBP - Demand Biding Program You offer amount (MW) and hours you’re willing to curtail. Via Internet. Between noon and 8pm weekdays Day-ahead -triggered when energy price >15¢/kWh. Notified by 3pm day before Day-of - triggered when ISO declares warning of system emergency ($.50/kWh). 3-8pm. Notified by noon. Emergency test trigger twice a year for less than 4 hours, will pay you 50¢/kWh Technical Assistance Available –$50/kW. Can be either equipment or behavior. $25/kW when expected load drop certified by registered engineer, $25/kW when 50% of estimated load is dropped –Has to have advanced meter ( interval meter, communication pathway, and internet-based access to usage information) –Reduction = load drop from average of same hour in 3 highest use days during the past two weeks

Summary of Curtailment Programs

Can Still Add Self Generation Self-Generation - CPUC D Departing Load Obligation - exemptions Generating before February 1, 2001 Biogas digestors <1 MW and subject to net metering (solar) Eligible for CPUC/CEC self-generation programs: photovoltaics; wind turbines; fuel cells; microturbines, small gas turbines and internal combustion engines with waste heat recovery. No diesel or back-up >1 MW “ultra-clean and low emissions” do not pay DWR ongoing charges or HPC 3,000 MW cumulative total - do not have to pay DWR ongoing charges: 1500 MW renewable, nonrenewable generation amounts caps: MW 7/1/ MW MW CEC has adopted a set of regulations governing the process for determining which departing load customers are eligible for an exemption from Cost Responsibility Surcharges. Fill out CEC Form 03-CRS-01.

Conclusions/Recommendations High electricity prices (through 2011) as we pay off our 2000/2001 hangover High natural gas prices ($5-$7) around for awhile Changes are coming Traditional tariffs (I-6) disappearing Real-time pricing for everyone is coming Some form of direct access (core/noncore) someday Even more rate options will be available (e.g., 2-part RTP) Recommendations - know your system and what you can do Take advantage of technical assistance $$ now, figure out what you can do before you have to do it Look into demand reduction pilot programs (e.g. CPP or DBP) to test your operational changes while you are still protected on the down side Look into summer curtailment programs Look into self generation options Look into more storage Figure out what will happen to your budget when you go to real time pricing Flexibility is the key - the more flexible your operations are the more opportunities you can take advantage of This summer - make sure your backup generation is working, and you have operation plans for electrical blackouts