PA Supplier Workshop Net Metering September 10, 2019

PA Supplier Workshop Net Metering September 10, 2019 Agenda Overview of Smart Meter Overview of Net Metering Changes Customer Invoicing (Bill Print presentation changes) Settlements Banking EDI Changes (Differences between Delivered and Received) 867s (MU, IU, HU) 810 (Rate Ready) PA Supplier Workshop September 10, 2019 2 Change Controls The changes we will discuss are being implemented as a result of PA EDEWG Change Controls 150 and 151

Change Control 150 was approved on April 11th, 2019 Change Control 151 was approved on May 9th, 2019 These change controls are part of accommodating Rider D to increase solar usage by PA customers. Rider D encourages customers to use solar and other alternative sources by receiving a larger discount than what they would pay if they didnt have it. PA Supplier Workshop September 10, 2019 3 PA Smart Meter Implementation Timeline Completed Filed Plan PLUS Approved P Automated Billing In Penn Power P Benefits Realization Begins PInterval Data available; Automated Billing Available to all OpCos PPilot Voluntary Remote Connect / Disconnect (Penn Power)

P Voluntary Remote Connect / Disconnect (All OpCos) Meters New Business Network 50K (PP) Connected Grid Routers Range Extenders Smart Meter Operations Center (SMOC) Year 120K (PP) Installed 116 502 500K

Range Extenders SMOC Set Up 2013 2014 P 500K Connected Grid Routers PInitiate Hourly Pricing Billing PEnable Net Metering Billing 500K ~1.5% Remaining 300K Installed 1,617 Remaining 0

7,131 376 Data as of 8/23/19 SMOC Monitoring and Reporting 2015 Solution Validation Phase Penn Power Only 2016 2017 2018 Full Scale Deployment PA Supplier Workshop 2019 2020+ Original plan as of June 2014

September 10, 2019 4 About Net Metering Net Metering is a rate tariff rider available to customers that install renewable generators such as solar, wind, or hydro power. These customers operate the generator in conjunction with usage from the electric companys electrical system. A meter with bi-directional functionality, such as a smart meter, is required. Bi-directional meters measure: Delivered Electricity supplied by an electric utility to the customer Received Electricity produced by a customer-generator and supplied to the electric utility for purchase by either the utility or the customers supplier PA Supplier Workshop September 10, 2019 5 Net Metering | What is it? Per PA Act 213 of 2004 Alternative Energy Portfolio Standards Act Net Metering is measuring the difference between electricity supplied by an electric utility, and electricity generated by a customergenerator when any portion of the electricity generated by the alternative energy generating system is used to offset part or all of the customergenerators requirements for electricity. Buy from from Grid Grid == Utility

Utility Delivered Delivered kWh kWh Buy Sell to to the the Grid Grid == Utility Utility Received Received kWh kWh Sell Net == Delivered Delivered minus minus Received Received Net PA Supplier Workshop September 10, 2019 6 Net Metering | PA Utility Tariff Perspective, Rider D Net Metering Rider Utility is required to offer Net Metering Rider per statute PURPOSE

Applicable to Customers with installed renewable customer-owned generation APPLICABILITY Rider available to Residential as well as Commercial & Industrial Rates Generation capacity of not greater than 50 kilowatts for residential service or not greater than 3,000 kilowatts at other customer service locations Customer facility shall be equipped with a single bi-directional meter that can measure and record the flow of electricity in both directions BILLING PROVISIONS The customer-generator will receive a credit for each kilowatt-hour received up to the total amount of electricity delivered to the Customer during the billing period If the Company delivers more kWh than received from the customer-generator facility during

the billing period, the resultant bill for a full service customer is as if the billing determinant was based on the NET kWh consumption, the generation value of received kWh being full retail value PA Supplier Workshop September 10, 2019 7 Net Metering Example 1 Solar Power Example With Sunshine over an hour 5.00kWh 5.00kWh 2.50kWh 2.50kWh Example: Customer usage is 2.50 kWh while solar generation is 5.00 kWh. Utility Delivered = EDI 867 REF*6W*1 will portray 0 kWh Utility Received = EDI 867 REF*6W*2 will portray 2.50 kWh Excess = 2.50 kWh PA Supplier Workshop September 10, 2019 8

Net Metering Example 2 Solar Power Example With limited Sunshine over an hour 1.00kWh 1.00kWh 2.50kWh 2.50kWh Example: Customer usage is 2.50kWh while solar generation is 1.00kWh. Utility Delivered = EDI 867 REF*6W*1 will portray 1.50 kWh Utility Received = EDI 867 REF*6W*2 will portray 0.00 kWh Excess = 0.00 kWh PA Supplier Workshop September 10, 2019 9 Changes in Net Metered Invoicing Old Method New Method Net of delivered and received kWh used for billing

Bill based on delivered kWh Credit based on received kWh up to the delivered kWh value Example Delivered = 350 kWh Received = 200 kWh Net Delivered = 150 kWh *150 kWh is used for ALL billing determinants Example Delivered = 350 kWh Received = 200 kWh *Customer billed for 350 kWh (delivered) and receives a credit on 200 kWh (received) For full service customers, the purchase power credit for the 200kWh is such that the resultant total bill is the same as if net kWh were used as the billing determinant For shopping customers, rate ready supply charges are now based on delivered kwh versus net; any generation credit for the received kwh are the responsibility of the supplier; utility provides credit on distribution PA Supplier Workshop September 10, 2019 10

Net Metering | Changes in Settlement Smart Meter Interval Metering vs Monthly Metering Smart meters enable all accounts to be hourly metered accounts and settlement with PJM becomes more accurate of physical flow for customers on Rider D Settlements provides actual hourly data to PJM for reconciliation of scheduled vs actual hourly energy consumption AND production Previously, the NET kWh used for billing determinant in retail billing was simply profiled to an hourly schedule using applicable class profiles With this change, actual hourly usage for delivered kWh will be reported as consumption, while actual hourly generation received will be reported in a second schedule as production For a full service customer, this production is reported against the POLR schedule For a shopping customer, this production is reported for the load serving entity PA Supplier Workshop September 10, 2019 11

Net Metering | Banking Mechanism The customer-generator will receive a credit for each kilowatt-hour received UP TO the total amount of electricity delivered to the Customer during the service period For service periods where received kWh exceeds delivered kWh, the excess will be banked for use in the next billing cycle If a non-hourly default customer, the valuation of this banked kWh in the next billing cycle is full retail value as billed in that next cycle If an hourly priced default customer, the excess if valued at the hourly prices in which is was produced and a dollar value is assigned upon deposit and used for credit in the next billing cycle The bank is trued up annually or at any time status changes in shopping, at which time any balance is a true up credit and the bank value is reset to zero PA Supplier Workshop September 10, 2019 12 Changes in Net Metered Invoicing KWH

KWH Out Out is is now now Kilowatt Kilowatt Hours Hours Delivered Delivered KWH KWH Metered Metered is is now now Kilowatt Kilowatt Hours Hours Received Received PA Supplier Workshop September 10, 2019 13 Net Metering Credits Credit Credit Calculation Calculation The Net Metering Credit is the excess kilowatt kilowatt hours received

up to the delivered delivered kWh kWh value value Banked Usage Info Banked Banked usage is now now shown shown on on the invoice Delivered Delivered usage usage is is now now used used as as the the billing billing determinant, determinant, while while received received usage has a separate line usage has a separate line item

item for for the credit. the credit. Recall, Recall, for for shopping shopping customers, customers, the the Net Metering Credit is a discount Net Metering Credit is a discount on on the distribution portion only and does the distribution portion only and does not not include include any any crediting

crediting for for generation. generation. PA Supplier Workshop September 10, 2019 14 Net Meter 867 Customer generates LESS than delivered consumption PA Supplier Workshop September 10, 2019 15 Net Meter 867 Customer generates MORE than delivered consumption The supplier will receive the credit for their customer's

excess generation via their PJM bill and is responsible for providing that credit back to their customer. PA Supplier Workshop September 10, 2019 16 Net Meter 810 (Rate Ready) Rate Ready 810 charges will be calculated based on: Delivered kWh usage Rate Ready 810 will not be calculated based on: Net kWh usage The EDI SAC*C line will show delivered kWh: PA Supplier Workshop September 10, 2019 17 Net Meter 867 IU Delivered

Received PA Supplier Workshop September 10, 2019 18 Net Meter 867 HU Delivered Received Other units of measure will NOT be affected, such as K1 or K2 PA Supplier Workshop September 10, 2019 19 Process Net metered customer that bills after 8/16/19 PTD*SU loop will have the new changes with the REF*6W lines in the PTD*PM loops to report Delivered & Received usage PTD*BB loop will report the Delivered usage instead of net usage as approved in Change Control 150

867 MU 867 IU 867 HU 867 HIU Net metered customer that bills service period start date prior to 8/16/19 the utility will continue to bill on net for any customer that has a bill period with a service period start date prior to 8/16/19 Rate Ready will bill on net until the first cycle with a service period start date commencing 8/16/19 Bill Ready / Dual Bill will have the 867 changes applied and the EGS needs to bill as appropriate Changes will take place on any bill with a service period start date commencing 8/16/19 (First cycle to be billed with a service period start commencing 8/16/19 is expected on or after 9/18/19) Any request sent after 8/16/19: PTD*SU loops will have the new changes for kWh with the REF*6W lines to report the delivered and received usage instead of net usage as approved in Change Control 151 Changes will not take place until the customer has 12 months of bill certified interval data Changes will not take place for a customer that moves into a bill certified premise that only has interval meter data available PA Supplier Workshop September 10, 2019 20

Questions ? ? ? ? ? PA Supplier Workshop September 10, 2019 21 Questions with Responses Can FirstEnergy send sample files for EDI 867? Yes, please contact Ernie Mathie to request sample files. Can EDI sample files be requested via the supplier support e-mail? You may use the contact us form on our Supplier Services website. Will EDI samples be in the format of production or testing?

Samples will be a text file. All the intervals will be in the same transaction when the change occurs. Regarding EDI 867 MU on slide 20, have these changes already occurred? The EDI 867 MU changes are seen now for customers who billed after 08/16/2019. The slide also details other changes per EDI 867 type. Will the presentation be available? Yes, we will send the presentation as soon as we can, with an appendix of Q&A. We will also post to website. Will the minimum individual customer capacity be zero kwh? Yes. PA Supplier Workshop January 16, 2019 22

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