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Sierra Electric Cooperative, Inc. interconnection application

Sierra Electric Cooperative, Inc. is an electric cooperative serving 4,469 customers in New Mexico (EIA-861, 2025). Gridpol files Sierra Electric Cooperative, Inc. interconnection applications for licensed installers – solar, storage and EV chargers – with single-line diagram and site plan, unlimited for $500 a month.

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New Mexico’s interconnection rule (17.9.568 NMAC (Interconnection of Generating Facilities with a Rated Capacity up to and including 10 MW); >10 MW: 17.9.569 NMAC) applies to Sierra Electric Cooperative, Inc.. Levels, timelines and documents below come from that rule; Sierra Electric Cooperative, Inc.’s own form and portal are confirmed on the first project.

Sierra Electric Cooperative, Inc. at a glance

Utility

Sierra Electric Coop, Inc

Type

Electric cooperative

EIA utility ID

23326

Customers

4,469 (EIA-861, 2025, short form: all customer classes)

Net-metered residential customers

none reported

Service territory

4 counties in New Mexico

Wholesale supplier / association

Basin Electric Power Cooperative
Tri-State Generation and Transmission Association, Inc. · Board Policy for Member System Distributed Resource (Board Policy 115, FERC rate schedule) and BYOR Program

Documents Sierra Electric Cooperative, Inc. asks for

  • Interconnection application formRequired by the state rule Gridpol prepares this.
  • Net metering / net billing agreementRequired by the state rule
  • Interconnection agreementRequired by the state rule
  • Customer signatureRequired by the state rule
  • Final inspection sign-offRequired by the state rule
  • Inverter spec sheetRequired by the state rule
  • Single-line diagram (one-line)Required by the state rule Gridpol prepares this.

Documents required by the New Mexico rule. Sierra Electric Cooperative, Inc. may ask for more on its own form; we confirm on the first project.

New Mexico interconnection rule

Commission

New Mexico Public Regulation Commission (PRC)

Interconnection rule

17.9.568 NMAC (Interconnection of Generating Facilities with a Rated Capacity up to and including 10 MW); >10 MW: 17.9.569 NMAC – Interconnection of generating facilities up to 10 MW · source

Applies to

Every electric utility under PRC jurisdiction, including investor-owned utilities (PNM, El Paso Electric, SPS/Xcel) and rural electric cooperatives (17.9.568.2.A); municipal utilities not named.

Application form

Standard application per utility with form interconnection agreement signed with the application for simplified process (17.9.568.20.A); net energy metering application.

Timelines

Receipt 3 BD, completeness 10 BD; simplified screens 7 BD; fast track 15 BD; supplemental 20 BD. Customer gives 10 BD notice of start; utility may inspect within 10 BD; PTO normally within 10 BD after required documents (simplified/fast track) (17.9.568.21). Pre-application report $300/$500, 20/30 BD.

Fees

Application (17.9.568.23.A): $150 up to 25 kW; $300 >25-100 kW; $300 + $1/kW >100 kW; non-export $150 (<100 kW) / $300; supplemental review $2,500.

Insurance

<=250 kW: general liability insurance only if commission orders it on utility petition showing good cause; >250 kW: utility may require insurance up to $1,000,000 or other evidence of financial responsibility (17.9.568.25.B).

External disconnect

Visible-open, lockable, load-break disconnect labeled 'generating facility generation disconnect' required, except systems <=10 kW with certified inverter and self-contained meter that have a utility-accessible AC load-break disconnect (or DC disconnect if no other source) (17.9.568.29.D).

Export compensation

NEM – 17.9.570 NMAC (eff. 2022-05-24), 17.9.570.14 and .15
<=10 kW: net metering - excess credited next bill at energy rate or as kWh, carried forward; >10 kW-10 MW: standard metering and billing agreement with net metering option (17.9.570.15). Applies to every PRC-jurisdictional utility incl. coops and munis.

Not bound by the rule

Rural electric cooperatives are bound by 17.9.568 and 17.9.570 (distribution coop service also per own bylaws/tariffs). Municipal utilities are within 17.9.570 scope for QF/net metering; their interconnection coverage under 17.9.568 not stated.

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