Dominion Energy, Inc. · NYSE:D
Dominion Energy — Corporate Update (January 2015)
37 slides from Dominion Energy's corporate update, Jan 28, 2015
Slide 1: Idylwood Substation Open House Presentation
Idylwood Substation Open House Presentation January 28, 2015 © 2003 Dominion
Slide 2: © 2003 Dominion
© 2003 Dominion
Slide 3: Idylwood Substation…Critical Hub
Idylwood Substation…Critical Hub The Idylwood Substation is a 60-year old facility located at the intersection of two major transmission corridors. It is an electrical transmission hub and major distribution substation that is critical to Dominion for providing reliable power to the Holly Crest Comm
Slide 4: Updated Plans
Updated Plans Fact remains: Substation must be updated and remodeled Following last open house, Dominion removed rear expansion proposal Dominion will proceed with remodeling substation at front portion of property Along with removing Phase 2, other improvements to proposal were made © 2003
Slide 5: Community requests that have been implemented
Community requests that have been implemented: • Lowered Backbones • Brick Architectural Wall • Increased Landscaping • Extra Street Lighting • Removal of Entrance from Holly Crest • Off-Site Landscaping • Phase 2 removed • Substation shifted approximately 30’ away from Holly Manor Drive properties
Slide 6: Aerial View of Existing Substation
Aerial View of Existing © 2003 Dominion 6 Substation
Slide 7: Previous Buffer & Landscaping
Previous Buffer & Landscaping Approximate 20’ buffers
Slide 8: Enhanced Buffer & Landscaping
Enhanced Buffer & Landscaping Phase 2 Removed Buffer increased to 50’ Buffer increased to 35’
Slide 9: Equipment
EQUIPMENT • Existing equipment footprint: 3.99 acres Existing equipment is wider and bulkier It has more steel and metal throughout property • Proposed equipment footprint: 2.27 acres New footprint is 1.72 acres smaller than what exists today New equipment is less bulky Majority of equipme
Slide 10: Side-by-Side Comparison of Various Footprints
Side-by-Side Comparison of Various Footprints Existing Previously Proposed Currently Proposed 3.99 Acres 4.69 Acres 2.27 Acres © 2003 Dominion 10
Slide 11: Wall
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Slide 12: Profile View of Wall
Profile View of Wall © 2003 Dominion 12
Slide 13: Visual Simulations
Visual Simulations © 2003 Dominion 13
Slide 14: Front Entrance – Existing View
Front Entrance – Existing View
Slide 15: Front Entrance – 2 Year Growth
Front Entrance – 2 Year Growth
Slide 16: Front Entrance – 10 Year Growth
Front Entrance – 10 Year Growth
Slide 17: View from Shreve Road - Existing
View from Shreve Road - Existing
Slide 18: View from Shreve Road – 2 Year Growth
View from Shreve Road – 2 Year Growth
Slide 19: View from Shreve Road – 10 Year Growth
View from Shreve Road – 10 Year Growth
Slide 20: 7715 Marthas Lane - Existing
7715 Marthas Lane - Existing
Slide 21: 7715 Marthas Lane – 2 Year Growth
7715 Marthas Lane – 2 Year Growth
Slide 22: 7715 Marthas Lane – 10 Year Growth
7715 Marthas Lane – 10 Year Growth
Slide 23: 7715 Marthas Lane – Off Site Landscaping
7715 Marthas Lane – Off Site Landscaping
Slide 24: 2554 Holly Manor Drive
2554 Holly Manor Drive Viewpoint 01 - Residence at 2554 Holly Manor Drive - Looking West Southwest - Proposed View
Slide 25: 2564 Holly Manor Drive
2564 Holly Manor Drive 2 aces see eee) Viewpoint 04 - Residence at 2564 Holly Manor Drive - Looking West - Existing View IM | TRUESCAPE orrr fit ei be 453 i i ergurerert conaitants Viewpoint 04 - Residence at 2564 Holly Manor Drive - Looking West - Proposed View
Slide 26: Benefits of Application
Benefits of Application • After 60 years, site gets brought back under County review • Opportunity for improved equipment that is quieter and less bulky looking • An improved, architectural brick wall that hides the industrial look of the property • Landscaping – on and off-site • County development
Slide 27: Location of Transmission & Distribution Lines
Location of Transmission & Distribution Lines Existing Proposed Transmission: • Distribution Lines Along Holly Manor Being Undergrounded Substation: • Transmission Lines now go further to front of property, but are 45’ inside property line Distribution: • Substation Equipment 50’ inside property lin
Slide 28: Electromagnetic Fields (EMF)
Electromagnetic Fields (“EMF”) • EMF, at various frequencies, is naturally present everywhere in the environment • It is also created whenever an electrical current is used • It is not only found near transmission and distribution lines, but also in homes, workplaces, schools, etc. • EMF “falls off”
Slide 29: Sample household items that generate EMF
Sample household items that generate EMF Distances from Source EMF Source (mG) 6 inches 1 Foot 2 Feet 4 Feet Fluorescent Lights 40 6 2 - PCs (with color monitors) 14 5 2 - Copy Machines 90 20 7 1 Color TVs Not measured 7 2 - Digital Clock Not Measured 1 - - Microwave Oven 200 4 10 2 Vacuum Cleaner 3
Slide 30: Imagery Date: 10/12/2012 38°53'08.33"N__77°12'31.46"W elev 01ft eye alt 1464 ft ©
Imagery Date: 10/12/2012 38°53'08.33"N__77°12'31.46"W elev 301ft eye alt 1464 ft ©
Slide 31: ok as
4 ok as %. ©2014 Google ti. olc r- Ai > — te . ~ a - ‘ ¥ ha she eee 4 Imagery Date: 10/12/2012 38°53'02.60" NW77°12'39.49" W elev 366 ft eye alt 1199 ft
Slide 32: Sound Study
Sound Study • Fairfax County requires 55 dba at property line • Proposed equipment is newer and quieter • Levels shown are without proposed wall • 14’ wall will mitigate sound even further
Slide 33: Status of Application
Status of Application • Planning Commission Hearing Date: February 11, 2015 • County has been drafting development conditions and staff report • Staff Report will be posted on the County website tomorrow © 2003 Dominion 33
Slide 34: Community Contact
Community Contact Dominion will maintain a point of contact for citizens’ concerns Tiffany Taylor-Minor with Dominion is the main point of contact Email: powerline@dom.com or call 1-888-291-0190 © 2003 Dominion 34
Slide 35: Questions?
QUESTIONS? © 2003 Dominion 35
Slide 36: Landscaping legend
@ medium evergeen tree 6’ ht @ medium evergreen shrub © small evergreen shrub ©) seman deciduous tree © large deciduous shrub > existing tree line ] 20° tall red brick walt
Slide 37: Existing, Future and Revised Substation Profile
Existing Substation Profile Future Substation Profile Revised SE Proposal © 2003 Dominion 37