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RLC EXPERIENCE

AVANGRID (CMP)

MAINE POWER RELIABILITY PROGRAM

RLC provided system planning and engineering studies
– including report writing and presentation before ISO-
New England, Maine Public Utilities Commission and
other regulatory stakeholders – for more than 550 miles
of preliminary, alternate and selected transmission line
routes. We assisted in the preparation of the permit
applications for the Maine Department of Environmental
Protection as well as other local and state permitting
bodies. RLC also played a significant role in the
construction sequence and planning for the MPRP
proposed substation and transmission improvements.
RLC has performed numerous analyses of MPRP’s
potential impact on existing CMP substation facilities,
including these studies:
S
 teady State Impacts on existing station equipment
bus, breaker and switch configurations;
F
 ault Current Impacts on circuit breaker duty ratings,
circuit breaker transient recovery voltage (TRV), bus
support insulators, disconnect switches, grounding
switches, line traps, capacitor banks, and shunt
capacitors;
S
 ystem Impacts on protection relays, shunt capacitor
settings, line relay applications, SPS systems, series
capacitor, ground relay polarization and out-of-step
stability.
EVERSOURCE ENERGY

NEW ENGLAND EAST WEST SOLUTION

RLC provided reliability assessment of steady state
and stability performance, including report writing and
presentation before ISO-New England on the NEEWS
Projects. We prepared the study reports and played a
significant role in the I.3.9 review and approval process
with the Transmission and Stability Task Force Groups.

12 STATEMENT OF QUALIFICATIONS STATEMENT OF QUALIFICATIONS 13