Owatonna Public Utilities

Minnesota Utility Interconnection & net metering rules

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Net Metering AllowedYes

NEM TypeMonthly

Line Taps AllowedNo

Load Taps AllowedNo

AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed: Yes

NEM Type: Monthly

TOU Utility: No

Post Solar Billing Method: Net Metering

Net Excess Generation Notes: Net metering is done on the billing cycle. The average retail rate that we pay during a bill that a customer net-exports, for 2024, is $0.12487/kWh

Rebates Offered: Yes

Deregulated: No

Allows Standby: No

Interconnection & taps

Approval Req To Install: Yes

Line Taps Allowed: No

Load Taps Allowed: No

Automatic Transformer Upgrade Size: 0

Meter Aggregation Allowed: No

System size & offset

System Size Restrictions: 40

System Size Restriction Type: AC kW

System Size Battery Included: No

System Size Includes Existing Systems: No

Offset Value: 0

Offset Calculation Period: 0

Industry Standard Watts Sqft: 2

System Offset Notes

Systems below 40 kW AC doesn't have any offset requirement.

If the system is over 40 kW AC, then it must be sized to not go over 120% offset of their historical usage.

Offset Calc Tool: Historical Usage

Metering & disconnect

Production Meter Required: Yes

Production Meter Position: Inv-Disco-PM-POI

AC Disconnect Required: Yes

AC Disconnect Labeling: Visible Lockable Labeled Disconnect

Plans & docs

Site Plan Reqs: AC disconnect verbiage: "24/7, unescorted and readily accessible"

SLD Reqs

Wiring of the production meter must be shown: (wires from solar to line side of production meter - load side to POI)

AC disconnect verbiage: "24/7, unescorted and readily accessible"

Install Reqs

Production Meter must have a lever bypass

Utility Meter must have a lever bypass, if it doesn't it'll be the customer/contractor's responsibility to upgrade the meter socket.

Placards

If installing multiple AC disconnect, install placard with (1 of x, 2 of x and etc).

For variance request - must install Site Map placard

Equipment Approvals: California Energy Commission

Meter Num Req SLD 3LD: Yes

ESID Num Req SLD 3LD: No

Website: link

Phone: (507) 451-2480

Other details

Revision Required: Yes

Mod Swap Requires Planset: Yes