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Information sourced from NREL and DOE.
The amount of kWh produced by solar panels is dependent on factors such as shading, direction of solar panels, and weather. A general solar production estimate for a rooftop solar system in Indiana (with a 15% capacity factor) is approximately 1,300 kilowatt hours ("kWh") per year for every kW. Therefore, an average of 108 kWh per month, per kW installed. There is more solar production in summer months than winter. However, a solar installer should provide production expectations in a quote.
There are several factors that determine the payback period for solar panels. In order to better understand specific project economics, there are tools like Project Sunroof that you can reference.
Factors include shading of the location, overall system size, installation (self install or contractor) costs, inverter costs, utility rate tariffs, pitch of the roof (if rooftop solar), and financing options.
AES Indiana customers may be eligible for credits for self-generation. Please see additional information at rates-tariffs
AES Indiana commercial and industrial customers should consider whether their electric service rate includes a charge for demand (kW). Solar panels may have no impact on monthly demand, since there are periods of darkness, storms, or otherwise low production from solar panels. In addition, solar power can have a negative impact on the overall Power Factor for that service. More information can be found under "Billing Impact, Customer Generation Eligibility and Other Information" at rates-tariffs
Yes. Southern facing panels will receive the most amount of sunlight for stationary panels. Single axis and two axis sun tracking follow a SE to SW motion.
Not typically without advanced equipment. Solar inverters shut down when connection to the grid is lost. There are commercially available inverters that include battery backups, and these may be used in backup power mode to help keep power on during an outage.
Yes, for 24/7 reliability, typical renewable generation systems still require grid connectivity. Wind and solar vary in their output during the day and matching generation with energy consumption is not possible without special equipment. Customers with systems up to 1 MW in size may qualify for AES Indiana''s net metering rate, which is approved by the Indiana Utility Regulatory Commission (IURC).
No, AES Indiana does not currently sell or market energy systems door to door. AES Indiana employees do not sell solar installations door to door. AES Indiana employees may visit your home to perform maintenance, turn a meter on or off or perform home energy audits; however, those visits are preceded by a phone call, door hanger or other communication. AES Indiana employees will arrive in a company vehicle clearly marked with an AES Indiana logo. If someone claims to work for the company, ask to see their employee badge. If you are uncomfortable, do not let the person in your home. Contact AES Indiana to confirm the person is a legitimate company representative there to perform expected work.
AES Indiana offers net metering to eligible customers who have installed eligible net metering energy resources up to 1 MW in size, or other emerging renewable energy technologies the Indiana Utility Regulatory Commission determines appropriate with an approved interconnection agreement.
All UL 1741 listed inverter-based generation that is renewable energy resource as defined in Indiana Code (IC 8-1-37-4(a)(1) through IC 8-1-37-4(a)(8)). Typically, this is solar or wind generation.
A customer-owned generating facility should be used primarily to offset all or part of the net metering customer''s own annual electricity requirements.
AES Indiana customers with applicable generating systems can participate in Rate EDG.
To connect a generating facility to the AES Indiana system, you must first submit an interconnection application.
Wind and solar sites generate power through an inverter. Inverters connecting to the AES Indiana system must be compliant with IEEE 1547-2018 and UL 1741 certified. For these installations, after receiving an interconnection application approved by AES Indiana and an interconnection agreement signed by the customer, AES Indiana will install a bi-directional meter.
Level 1 applications have no fees. A Level 1 generator facility is 10 kW or less. Level 2 applications have a fee of $50 + $1/kW. A Level 2 generator facility is greater than 10 kW and less than 2 MW.
You can submit an application at any time. If you are working with a solar installation company, they typically will assist in completing and submitting an application on your behalf. Applications are processed on a first come first serve basis, so AES Indiana encourages applications are submitted as early as possible. For more information on interconnection review processes, see 170 IAC 4-4.3-6 and 170 IAC 4-4.3-7.
If you are upgrading your system, you will need to submit a new application.
Rate EDG allows customers to offset their billed usage by receiving a financial credit for any excess generation from their distributed generation resource. Customers can self-supply their load and receive a credit for any excess under this program. The credit rate is updated annually and is currently set at 3.935 cents per kWh sent back to AES Indiana. In a given month, a customer taking service under Rate EDG would be billed at standard tariff rates for any usage and would receive a credit at the stated rate that would be applied to the billed usage.
The EDG credit balance is carried forward indefinitely, for as long as a customer elects to participate in Rate EDG and receives retail electric service from AES Indiana at the premises. If a customer ends service at the premises, all unused credits shall revert back to AES Indiana. EDG credit balances are not transferable to another account or service. For customers under AES Indiana''s Rate EDG rate, the net kWh will be multiplied by the Rate EDG and credited on the bill cost summary of the bill.
As a new solar customer, you may consider un-enrolling from Budget Billing for the first 6 to 12 months after installing your solar system. Your Budget Bill amount is based off the previous 12 months of usage, which is your usage data prior to installing solar. As a solar customer, it is anticipated your grid usage will decrease, and therefore your monthly bill amount similarly will decrease. Once there are consecutive months of usage data including solar system impacts, then it may make sense to re-enroll in Budget Billing for a more accurate monthly bill amount. If you''d like to un-enroll or re-enroll in Budget Billing, log into your aesindiana account or call AES Indiana Customer Service at 317-261-8222.
As defined in IC 8-1-40 et seq, net metering eligible systems installed before 1/1/2018 may receive net metering credits until 7/1/2047. Net metering systems installed after 12/31/2017 and before 7/1/2022 may receive net metering credits until 7/1/2032. Eligible distributed generation systems after 6/30/2022 will not be eligible for net metering but will be eligible for Rate EDG).
As of December 31, 2021, AES Indiana''s total installed net metered private generation capacity was 8.5 MW. Click here to review the full 2021 YE report.
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