Authority: IC 8-1-1-3; IC 8-1-40-12

Affected: IC 8-1-2-34.5; IC 8-1-37-4; IC 8-1-40

Sec. 4. (a) An investor-owned electric utility shall offer net metering to a customer that installs a net metering facility prior to the earlier of the following:

1. (1) January 1 of the first calendar year after the calendar year in which the aggregate amount of net metering facility nameplate capacity under the investor-owned electric utility's net metering tariff equals at least one and one-half percent (1.5%) of the most recent summer peak load of the investor-owned electric utility; or
2. (2) July 1, 2022.

(b) The investor-owned electric utility may limit the aggregate amount of net metering facility nameplate capacity under the net metering tariff to one and one-half percent (1.5%) of the most recent summer peak load of the utility, with::

1. (1) forty percent (40%) of the capacity reserved solely for participation by residential customers; and
2. (2) fifteen percent (15%) of the capacity reserved solely for participation by customers that install a net metering facility that uses a renewable energy resource described in IC 8-1-37-4(a)(5).

However, the investor-owned electric utility may increase the limit on the aggregate amount of net metering facility nameplate capacity at the investor-owned electric utility's sole discretion.

(Indiana Utility Regulatory Commission; 170 IAC 4-4.2-4; filed Oct 22, 2004, 11:00 a.m.: 28 IR 786; readopted filed Nov 12, 2010, 2:53 p.m.: 20101208-IR-170100605RFA; filed Jun 16, 2011, 8:44 a.m.: 20110713-IR-170100662FRA; readopted filed Aug 2, 2013, 2:16 p.m.: 20130828-IR-170130227RFA; emergency rule filed Nov 8, 2017, 4:31 p.m.: 20171122-IR-170170492ERA, eff Dec 1, 2017; readopted filed Apr 11, 2019, 9:04 a.m.: 20190508-IR-170190136RFA; readopted filed Sep 12, 2025, 11:43 a.m.: 20251001-IR-170240381RFA)