An investment account required to be opened by any participants choosing to use cash as collateral for their financial assurance obligations. Account holders may choose investment options from a pre-determined list, with ISO New England as the beneficiary of the account.
BlackRock Frequently Asked Questions
There may be times when increases to other forms of collateral cannot be effectuated in a timely manner. A BlackRock account provides a means of posting collateral quickly, which is helpful in meeting Financial Assurance cure deadlines.
Monthly account balances and interest are available via the following:
- Mutual Advantage
- Requires submittal of the Initial Setup Document and User Agreement
- Completed documents are to be sent to the ISO if concurrent with initial BlackRock account setup
- Contact BlackRock directly at 1-800-441-7764 or write to the following:
PFPC Wilmington Control Group
Attention: Tracy Mathews
760 Moore Road
King of Prussia, PA 19406
Withdraw and transfer requests must be submitted directly to the ISO Credit Department (CreditDepartment@iso-ne.com). BlackRock Withdraw & Deposit Instructions provides process and more.

