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Advancing Renewables in the Midwest March 28, 2007 2005 Energy Policy Act Provisions By Warren Wood, PE Director, Utility Operations Division Missouri.

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Presentation on theme: "Advancing Renewables in the Midwest March 28, 2007 2005 Energy Policy Act Provisions By Warren Wood, PE Director, Utility Operations Division Missouri."— Presentation transcript:

1 Advancing Renewables in the Midwest March 28, Energy Policy Act Provisions By Warren Wood, PE Director, Utility Operations Division Missouri Public Service Commission - Staff

2 Energy Policy Act 2005 (EPAct 05) Provisions I Will Cover: Net Metering Interconnection Fuel Diversity Fuel Efficiency Smart Metering Topics

3 Net Metering Equipment House Power Panel To Utility Meter for Power in Both Directions Isolation Switch Optional Meter Inverter

4 EPAct Net Metering Provision Section 1251 – PURPA Section 111(d) Amendment (11) NET METERING – Each electric utility shall make available upon request net metering service to any electric consumer that the electric utility serves. For purposes of this paragraph, the term ‘net metering service’ means service to an electric consumer under which electric energy generated by that electric consumer from an eligible on-site generating facility and delivered to the local distribution facilities may be used to offset electric energy provided by the electric utility to the electric consumer during the applicable billing period.

5 Legislation: Following the legislative session, the governor signed into law Section (RSMo 2002 Supp) – the “Consumer Clean Energy Act”. The provisions of this legislation (HB 1402) were hotly debated by numerous parties due to the limitations that this legislation contained that largely mimic the Public Utility Regulatory Policy Act (PURPA) regarding interconnection of alternative energy sources and appropriate compensation for excess generation. Net Metering Legislation - MO

6 Section “Consumer Clean Energy Act” Permits interconnection of customer-generators with systems below 100 kW in size that are a hydrogen fuel cell or powered by sun, wind or biomass. Permits interconnection with all “retail electric suppliers” including IOUs, munis and coops. Requires measurement of power delivered to grid by customer generator and delivered to customer- generator by supplier separately. Applies retail rates (~0.08 $/kWh) to customer generator supplied power and avoided rates (~0.02 $/kWh) to customer generator delivered power. Net Metering Legislation - MO

7 “Consumer Clean Energy Act” – continued Limits participation to the lesser of 0.1% of previous year peak or 10,000 kW. Requires adherence to safety standards established by PSC, NESC, IEEE, UL and all reasonable standards and requirements established by retail electric supplier. Requires customer-generator to obtain liability insurance in amount set by PSC. Requires PSC development of a contract for transactions between the customer-generator and retail electric supplier. Net Metering Legislation - MO

8 Rule 4 CSR : RSMO Section required that the PSC develop rules for interconnection related to safety, contracts, certification and liability insurance. Technical conferences including representatives from a broad array of interest were active in these working meetings. The final outcome of these meetings was rule 4 CSR Missouri PSC Rules

9 4 CSR “Net Metering” Duplicates much of RSMo in PSC rules. Implements $100,000 liability insurance requirement. Creates contract for transactions between retail electric supplier and consumer generator. Contract Provisions Include: Installation/Hardware Compliance Operation/Disconnection/Termination Rights Transfer of Ownership Dispute Resolution Missouri PSC Rules

10 “Net Metering” – continued Contract Provisions – continued Inspection and Certification Testing Recording & Reporting Requirements Missouri PSC Rules

11 EPAct Interconnection Provisions Section 1254 – PURPA Section 111(d) Amendment (15) INTERCONNECTION – Each electric utility shall make available, upon request, interconnection service to any electric consumer that the electric utility serves. For purposes of this paragraph, the term ‘interconnection service’ means service to an electric consumer under which an on-site generating facility on the consumer’s premises shall be connected to the local distribution facilities. Interconnection services shall be offered based upon the standards developed by the Institute of Electrical and Electronics Engineers: IEEE Standard 1547 for Interconnecting Distributed Resources with Electric Power Systems, as they may be amended from time to time.

12 EPAct Interconnection Provisions Section 1254 – PURPA Section 111(d) Amendment (15) INTERCONNECTION – continued In addition, agreements and procedures shall be established whereby the services offered shall promote current best practices of interconnection for distributed generation, including but not limited to practices stipulated in model codes adopted by associations of state regulatory agencies. All such agreements and procedures shall be just and reasonable, and not unduly discriminatory or preferential.

13 EPAct Interconnection Provisions Note difference in IEEE Standards: EPAct Refers to IEEE Standard 1547 for Interconnecting Distributed Resources with Electric Power Systems Current PSC Rule Refers to IEEE Standard and UL 1741.

14 Interconnection Equipment: Energy source and conversion to electricity. Inverter for alternating current conversion, synchronization, isolation, and safety. Isolation switch for disconnect from power panel. Optional meter for measuring power generated. Optional batteries for energy storage and backup power. Optional alternative energy source for backup power. Interconnection Equipment

15

16 Example Projects: Governor Office Building Interconnection Equipment

17 Inverter

18 Interconnection Equipment Isolation Switch

19 Section 1251 – PURPA Section 111(d) Amendment (12) FUEL SOURCES – Each electric utility shall develop a plan to minimize dependence on 1 fuel source and to ensure that the electric energy it sells to consumers is generated using a diverse range of fuels and technologies, including renewable technologies. EPAct Fuel Diversity Provisions

20 Missouri’s Electric Generation Resources  Regulated Investor Owned Utilities (IOUs) – AmerenUE, Kansas City Power & Light, Aquila MPS and L&P, Empire District Electric  Cooperatives  Municipals  Independent Power Producers  Out of State Generation Under Contract – (SWPA, GRDA, etc…)

21 Which Resource Is “Best”?

22 Generation Fuel Diversity  MO Public Service Commission Rule 4 CSR “Integrated Resource Planning” (IRP) Rule  IRP rule includes provisions for assessment of diverse fuel sources, including renewable resources.

23 Generation Fuel Diversity  Parties to IRP proceedings before our Commission are very familiar with renewable energy technology options and the costs and benefits of each.  Delivered cost of energy, environmental impacts and reliability are all of great importance to the Commission.

24 Generation Fuel Diversity  Renewable energy sources are continuing to receive greater attention. Currently 3 to 4 percent of energy in Missouri is from renewable sources. –Wind (fastest growing sector) –Landfill & Biomass Gas Projects –Ethanol (& related power generation) –Existing Hydro (no new dams)

25  Shows sources for plants in Missouri in 2001  Coal – almost 2/3  Gas – 14%  Other sources: oil, nuclear, and hydro. Missouri Generating Capability (MW) By Primary Energy Source

26 Missouri Generation (MWh) By Energy Source  MO plants only  Proportion of energy generated by coal (83.5%) exceeds coal capacity (65.1%) because coal plants have lower variable cost (except for nuclear) so are dispatched first.

27 Source: Energy Information Administration, Form EIA-860, "Annual Electric Generator Report."

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29 Section 1251 – PURPA Section 111(d) Amendment (13) FOSSIL FUEL GENERATION EFFICIENCY – Each electric utility shall develop and implement a 10-year plan to increase the efficiency of its fossil fuel generation. EPAct Fuel Efficiency Provisions

30  MO Public Service Commission Rule 4 CSR “Integrated Resource Planning” (IRP) Rule  IRP rule includes provisions for assessment of generation unit efficiency. EPAct Fuel Efficiency Provisions

31  Generation unit efficiency is of great importance to utilities and customers. As emissions regulations continue to tighten, this will only be more true.  Electric Fuel Adjustment Clauses heighten the need to have regulatory provisions in place to assure continued generation unit efficiency. EPAct Fuel Efficiency Provisions

32 PURPA Section 111(d) Amendment (14) TIME-BASED METERING AND COMMUNICATIONS – (A) Not later than 18 months after the date of enactment of this paragraph, each electric utility shall offer each of its customer classes, and provide individual customers upon customer request, a time-based rate schedule under which the rate charged by the electric utility varies during different time periods and reflects the variance, if any, in the utility’s costs of generating and purchasing electricity at the wholesale level. The time-based rate schedule shall enable the electric consumer to manage energy use and cost through advanced metering and communications technology. EPAct Smart Metering Provisions

33 Smart Metering System Example

34 Smart Metering  All of Missouri’s Investor Owned Electric Utilities have optional time of use rates. –These tariff provisions may not be available to residential customers. –These tariff provisions may not provide an option for variable rates on an hour-by-hour basis.  Our Commission is very interested in this topic and smart metering is the subject of a current EPAct case with our agency.

35 Smart Metering  A pilot program is currently ongoing in Missouri. A number of issues come up in smart metering discussions. –Metering Costs –Rate Differentials –Customer Communications Portals –Levels of Demand Response –Customer Interest and Retention Rates –Automatic vs Manual Response Schemes

36 EPAct Prior State Action Provision Prior State Action (for section to not apply): (1)The State has implemented for such utility the standard concerned (or a comparable standard); (2)The State regulatory authority for such State or relevant nonregulated electric utility has conducted a proceeding to consider implementation of the standards concerned (or a comparable standard); or (3) the State Legislature has voted on the implementation of such standard (or a comparable standard).

37 Net Metering: Commence Consideration by August ’07 Determination by August ‘08 Interconnection:Commence Consideration by August ‘06 Determination by August ‘07 Fuel Diversity:Commence Consideration by August ‘07 Determination by August ‘08 Fuel Efficiency:Commence Consideration by August ‘07 Determination by August ‘08 Smart Metering:Commence Consideration by August ‘06 Determination by August ‘07 EPAct ‘05 Timeline Requirements

38 Warren Wood MO Public Service Commission PO Box 360 Jefferson City, MO Phone: (573) Cell: (573) Fax: (573) Contact Information:


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