Iowa Incentives/Policies for Renewables & Efficiency |
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Last DSIRE Review: 02/01/2013
Program Overview:
| State: |
Iowa |
| Incentive Type: |
Net Metering |
| Eligible Renewable/Other Technologies: |
Photovoltaics, Wind, Biomass, Hydroelectric, Municipal Solid Waste, Small Hydroelectric |
| Applicable Sectors: |
Commercial, Industrial, Residential |
| Applicable Utilities: | Investor-owned utilities |
| System Capacity Limit: | 500 kW |
| Aggregate Capacity Limit: | No limit specified |
| Net Excess Generation: | Credited to customer's next bill at retail rate; carries over indefinitely |
| REC Ownership: | Not addressed |
| Meter Aggregation: | Not addressed |
Authority 1:
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Iowa Code § 476.41 et seq.
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Authority 2:
Date Enacted:
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IAC § 199-15.11(5)
07/27/1984
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Summary:
Iowa's statutes do not explicitly authorize the Iowa Utilities Board (IUB) to mandate net metering, but this authority is implicit through the board's enforcement of PURPA and Iowa Code § 476.41 et seq. Iowa's net-metering subrule, adopted by the IUB in July 1984, applies to customers that generate electricity using alternate energy production facilities (AEPs). Net metering is available to all customer classes of Iowa's two investor-owned utilities -- MidAmerican Energy and Interstate Power and Light (IPL).
There is no explicit limit on either the size of a net-metered system or on total enrollment in the IUB's subrule. However, separate rule waivers have allowed MidAmerican Energy and IPL to limit individual systems to 500 kilowatts (kW). Although Iowa's net-metering subrule requires utilities to purchase customers' net excess generation (NEG) at the utility's avoided-cost rate, subsequent rule waivers allow MidAmerican Energy and IPL customers to carry NEG forward for use in future months as a kilowatt-hour (kWh) credit. The net metering kWh offset effectively provides a credit at the customer's retail electricity rate. A detailed description of the Iowa net metering policy background is available here. |
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Disclaimer: The information presented on the DSIRE web site provides an unofficial overview of financial incentives and other policies. It does not constitute professional tax advice or other professional financial guidance, and it should not be used as the only source of information when making purchasing decisions, investment decisions or tax decisions, or when executing other binding agreements. Please refer to the individual contact provided below each summary to verify that a specific financial incentive or other policy applies to your project.
While the DSIRE staff strives to provide the best information possible, the DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. make no representations or warranties, either express or implied, concerning the accuracy, completeness, reliability or suitability of the information. The DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. disclaim all liability of any kind arising out of your use or misuse of the information contained or referenced on DSIRE Web pages.
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