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Opportunities and Perils in Ubiquitous Data Availability for the Open Access Environment. Panel: Grand Challenges in Electric Power Engineering Christopher L. DeMarco University of Wisconsin-Madison IEEE Power Engineering Society Summer Meeting Wednesday, July 24, 2002.

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opportunities and perils in ubiquitous data availability for the open access environment
Opportunities and Perils in Ubiquitous Data Availability for the Open Access Environment

Panel: Grand Challenges in

Electric Power Engineering

Christopher L. DeMarco

University of Wisconsin-Madison

IEEE Power Engineering Society

Summer Meeting

Wednesday, July 24, 2002

history ferc orders 888 889
History: FERC Orders 888/889
  • Order 889’s title coined OASIS for “Open Access Same-time Information System.”
  • To many, OASIS goals seem far from fully realized today, raising natural questions:
  • Is it a technical challenge to be overcome, to efficiently communicate & efficiently compute summary of available transmission capability?
  • Or are there valid institutional/policy reasons to question timely release of relevant data?
today pose questions
Today: Pose Questions…
  • What if maximally feasible amount of transmission/distribution data were truly made universally available?
today pose questions4
Today: Pose Questions…
  • Would this create beneficial opportunities, and realize goals envisioned in OASIS?
  • Or would it be too perilous, endangering consumer privacy and infrastructure security?
specific scenario
Specific Scenario

Suppose: all control centers posted to universally accessible site the raw measurements typically fed to state estimator.

speculate potential benefits
Speculate - Potential Benefits
  • Create true competitive market for special purpose state estimators, culling useful information from data;
  • Decentralized & specialized ATC calculations;
  • Create more effective load management;
  • Open door to cost effective integration of micro-grids to large distribution/transmission system
  • Facilitate move to cost effective real time pricing.
  • General premise - observing example of GPS data - once useful data is made widely accessible, entrepreneurial opportunities to exploit data abound.
speculate potential perils
Speculate - Potential Perils
  • Unacceptably compromise privacy, proprietary data of customers;
  • Ability to extract detailed individual consumption production patterns seems inevitable (isn’t it?);
  • Broadcast knowledge of grid’s Achilles heels;
  • Aid ill-intentioned players in design of “maximal disturbances” & malicious controllers
details potential perils
Details - Potential Perils

Author’s previous work on malicious control:Given power flow network data, and “reasonably accurate” (±20%) knowledge of generator dynamic parameters, one can design local generator controls to intentionally destabilize other machines.

details potential perils9
Details - Potential Perils

Concern: earlier malicious control work postulated “only” over-aggressive, unethical competitor in the power market;

How much worse if agent implementing control is unconstrained by concerns of remaining in the market after the event?

is there a silver lining and a grand challenge
Is There a Silver Lining(and a Grand Challenge?)

(and a potential tie-in to state estimation grand challenges to follow… ?)

Hypothesis - hope for acceptable trade-off in data opportunity vs. privacy/security lies in distributed, scalable, monitoring & data query systems.

is there a silver lining and a grand challenge11
… Is There a Silver Lining(and a Grand Challenge?)
  • View extraction of raw data from power system as database queries;
  • Local “managers” of portions of the data-base perform automated negotiation for releases of data;
  • Queries could be legitimated by “tipping one’s own cards;” I get data only if I haveuseful data or computations to share.
conclusions
Conclusions
  • Strong reasons to believe that wide spread availability of transmission/distribution data could contribute to benefits of open access.
  • But … genuine security/privacy concerns make unfettered, universal release of data dangerous.
  • Challenge - can concepts from database security and query protocols be adapted to offer relatively open data, with decentralized verification and validation?