Missouri Administrative Code

Necessity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 20 CSR 4240-20.050 Individual Electric Meters—When Required . . . . . . . . . . . . . . . . . . . . . . . . 5 20 CSR 4240-20.060 Cogeneration . . . . . . . . …

ing trust agreement and any other agreement entered into PURPOSE: This rule is promulgated pursuant to section 393.292, between the utility, trustee, and investment manager(s) for RSMo to—1) govern the review and authorization of changes to approval by the commission. The listing…

Adjustment Mechanisms mission since the last adjustment to the FAR; 4. Interest; and PURPOSE: This rule sets forth the definitions, structure, operation, 5. Any other adjustment amount(s) ordered by the com- and procedures relevant to the filing and processing of applica- mission…

Investment Mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 20 CSR 4240-20.093 Demand-Side Programs Investment Mechanisms . . . . . . . . . . . . . . . . . . . 40 20 CSR 4240-20.094 Demand-Side Programs . . . . . . . . . . . . . . . . …

Mechanisms supporting information as part of, or in addition to, direct testimony. Supporting workpapers shall be submitted with all PURPOSE: This rule allows the establishment and operation of models and spreadsheets provided as executable versions in Demand-Side Programs Invest…

poration issuing the PSC No., the number of the schedule and Rate Schedules the number of the page or sheet. At the bottom of the sheet in the marginal space must be shown, the date of issue and PURPOSE: This rule updates language and streamlines provisions effective date, and th…

discovery, if any, to determine if the proposed adjustment to tory adjustment to its ECRM in each true-up year coinciding the ECRM is in accordance with the provisions of this rule, with the true-up of its ECRM. It may also file one (1) additional section 386.266, RSMo, and the E…

and (5) Coincident demand means the hourly PURPOSE: This rule states the public policy 3. Rate increases associated with alter- demand of a component of system load at the goal that this chapter is designed to achieve native resource plans. hour of system peak demand within a spe…

Analysis costs of ancillary and/or back-up sources of analysis shall be to ensure that the transmis- supply required to achieve necessary reliabil- sion network is capable of reliably supporting PURPOSE: This rule establishes minimum ity levels in connection with intermittent the…

source Analysis document market research studies, customer and distribution technologies that may be rea- surveys, pilot demand-side programs, pilot sonably anticipated to occur during the plan- PURPOSE: This rule specifies the principles demand-side rates, test marketing program…

Plan and Risk Analysis (B) All present worth and levelization cal- the other energy resources, up to the maxi- culations shall use the utility discount rate mum potential capability of the other energy PURPOSE: This rule requires the utility to and all costs and benefits shall be…

Strategy Selection be appropriate and explain how these limits building programs on the electric utility’s were determined. The utility shall also summer and winter peak demands and ener- PURPOSE: This rule requires the utility to describe and document its assessment of gy usage;…

Submission Requirements ................................................................3 20 CSR 4240-23.020 Electrical Corporation Infrastructure Standards .......................................4

tion Infrastructure Standards circuit mile; calendar year. The report shall identify the (H) Underground network means an elec- number of facilities, by type, which have PURPOSE: This rule establishes the mini- trical distribution system typically located in been inspected during…

Reporting Requirements ..................................................................7 JOHN R. ASHCROFT (9/30/19) CODE OF STATE REGULATIONS 1 Secretary of State Chapter 23—Electric Utility Operational Standards 20 CSR 4240-23 Title 20—DEPARTMENT OF storm events per IEEE Stand…

(A) Notice may be in the form of a letter (11) Payphone service—Service providing signed by a company official submitted into PURPOSE: This rule defines various terms Electronic Filing and Information System two- (2-) way voice service for a fee to the used in this chapter, which…

(7) Interconnected voice over internet proto- Authority and/or Registration (5) Any company granted a certificate or reg- col service (IVoIP)—A communications ser- istration by the commission shall maintain an vice as defined by section 386.020, RSMo. updated list of company cont…

1939, amended 1963, 1967, 1977, 1980, 1987, 1988, 1991, 1993, 1995, 1996; 386.310, RSMo 1939, amended PURPOSE: The commission has certain 1979, 1989, 1996; 392.450, RSMo 1987, amended 1996, authority over telephone numbering resources 2008; and 392.461, RSMo 2011, amended 2013, 2…

mechanized call detail record. The first two (2) digits in this PURPOSE: This rule describes the LEC-to-LEC network and adopts record are “11.” This type of call record is identical to a category restrictions for use of that network. 11-01-XX record except that it contains an ori…

study records. EMI documents are published by Alliance for PURPOSE: This rule defines various terms that are used in this Telecommunications Industry Solutions (ATIS). chapter. (10) An end office is a building or space within a building that (1) A 1,000-Number Block (NPA-NXX-X) i…

LEC-to-LEC Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Telecommunications Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Originating Telephone Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Telecommunications Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

LEC-to-LEC Network Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 20 CSR 4240-29.100 Objections to Payment Invoices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

by Transiting Carriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Block Traffic of Originating Carriers and/or Traffic Aggregators . . . . . . 9 20 CSR 4240-29.140 Blocking Traffic of Transiting Carriers by Terminating Carriers . . . . . . 10 20 CSR 4240-29.150 Confidentiality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . …

the telecommunications companies involved in the audit PURPOSE: This rule ensures the confidentiality of customer propri- shall agree upon the scope of the audit, the documents and etary network information. processes to be reviewed, and the time, place and manner in which the au…

PURPOSE: This rule sets forth the definitions of certain terms (14) Municipality means a city, village, or town. used in rules 4 CSR 240-3.015 through 4 CSR 240-3.030, and also includes the definitions of general terms used within this chapter (15) Person means any individual, fi…

Increase Requests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 20 CSR 4240-3.100 Definitions Pertaining Specifically to Electric Utility Rules . . . . . . . . . . . . 4

Approval of Electric Service Territorial Agreements and Petitions for Designation of Electric Service Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

for Post-Annexation Assignment of Exclusive Service Territories and Determination of Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

of Electrical Suppliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 20 CSR 4240-3.150 Filing Requirements for Electric Utility Promotional Practices . . . . . . . . . 7 20 CSR 4240-3.155 Requirements for Electric Utility Cogeneratio…

Cogeneration Tariff Filings (C) The estimated capacity costs at completion of the planned capacity additions and planned capacity firm pur- PURPOSE: This rule defines the requirements of electric utilities chases, on the basis of dollars per kilowatt and the associated pertaining…

Standard Filing Requirements Recovery Mechanisms Filing and Submission Requirements PURPOSE: This rule provides a reference to the commission’s elec- PURPOSE: This rule implements the provisions of Senate Bill 179, tric utilities rule regarding this subject. codified at section 3…

Requests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

and Submission Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 20 CSR 4240-3.175 Submission Requirements for Electric Utility Depreciation Studies . . . . 20

Utility Depreciation Studies *Original authority: 386.250, RSMo 1939, amended 1963, 1967, 1977, 1980, 1987, 1988, 1991, 1993, 1995, 1996. PURPOSE: This rule sets forth the requirements regarding the sub- mission of depreciation studies by electric utilities. 20 CSR 4240-3.190 Rep…

Cooperatives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 20 CSR 4240-3.200 Definitions Pertaining Specifically to Gas Utility Rules . . . . . . . . . . . . . . . 22 Denny Hoskins (4/30/25) CODE OF STATE REGULATIONS 1 …

Utility Rules effort by a utility to persuade energy-related decision makers to choose the form of energy supplied by that utility instead of PURPOSE: This rule sets forth the definitions of certain terms used other forms of energy for the provision of energy service or to in rul…

Convenience and Necessity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Authority to Acquire Property Through Eminent Domain Proceedings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 20 CSR 4240-3.255 Filing Requirements for Gas Utility Promotional Practices . . . . . . . . . . . . 24…

Surcharges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 20 CSR 4240-3.285 Filing Requirements Regarding Certification of Gas Sellers . . . . . . . . . . . 27 20 CSR 4240-3.300 Definitions Pertaining Specifically to…

Sewer Utility Rules dance with this commission’s Form No. 13 and shall be plainly printed or typewritten on good quality paper of eight and PURPOSE: This rule sets forth the definitions of certain terms used one-half inches by eleven inches (8 1/2" × 11") in book, sheet or in rul…

Convenience and Necessity (Rescinded May 30, 2025) . . . . . . . . . . . . . . . 28 20 CSR 4240-3.340 Filing Requirements for Sewer Utility Tariff Schedules . . . . . . . . . . . . . . . 28

Certificates of Convenience and Necessity . . . . . . . . . . . . . . . . . . . . . . . . . 30 20 CSR 4240-3.425 Filing Requirements for Steam Heating Utility Rate Schedules . . . . . . . . 30

Convenience and Necessity (Rescinded May 30, 2025) . . . . . . . . . . . . . . . . 31