be-april 2011 presentation

8/6/2019 BE-April 2011 Presentation

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Brendon Energy

Presented byGareth Hoskins Chair


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Brendon Energy Project

10 Parishes plus

Renewable Energy

100% Community owned

www.brendonenergy.org


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Part of the Transition Initiative W orking to reduce the affects of Climate

Change and Peak OilCore group of 5/6

W ider group of 15/20 L iving and working in the area around

W iveliscombe and its Environs


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W HAT IT IS A LL ABOUT


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W HAT IT IS A LL ABOUT


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Brendon Energy Project unincorporated association.

10PTI Energy L td L imited Company (reg no 07187565

formed to hold contracts, open bank account, receivegrants.

Brendon Energy community owned company formed

as an Industrial and Provident society (BenCom) andregistered with the Financial Services Authority. Sharesowned by the Community of W iveliscombe and itsEnvirons.


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W orked on producing a community ownedrenewable energy organisation withinW

iveliscombe and its Environs.

W e had ideas and some expertise andexperience.

Grant from W estern Somerset L ARC


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Feasibility study professionally writtenstudy of the resources available, thetechnology and the output possible.

Information public meetings, website andwritten material to explain feasibility study.


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Anaerobic digestion


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Anaerobic Digestion Anaerobic digestion is a series of

processes in which micro-organisms breakdown bio-degradable material in the

absence of oxygen, used for industrial or domestic purposes to manage waste

and/or to release energy.


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Anaerobic digestion reduces the emission of landfill gas into the atmosphere.

Anaerobic digestion is widely used as arenewable energy source because the processproduces a methane and carbon dioxide rich

biogas suitable for energy production, helping toreplace fossil fuels. The nutrient-rich digestatewhich is also produced can be used as fertilizer.


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The digestion process begins with bacterial hydrolysis of the inputmaterials in order to break down insoluble organic polymers such ascarbohydrates and make them available for other bacteria.

Acidogenic bacteria then convert the sugars and amino acids into

carbon dioxide, hydrogen, ammonia, and organic acids. Acetogenicbacteria then convert these resulting organic acids into acetic acid,along with additional ammonia, hydrogen, and carbon dioxide.Finally, methanogens convert these products to methane andcarbon dioxide.

Anaerobic digestion facilities are recognized by the United NationsDevelopment Programme as one of the most useful decentralizedsources of energy supply, as they are less capital intensive thanlarge power plants.


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Technology

Scale


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Gas Yield

Yield


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Revenue


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Feedstock Tonnes per annum Costs per tonne toProject (gross

excludes transport)

Comments

Meat Processing Category 2 - 3,127 tpa

Category 3 936 tpa

Effluent TreatmentSludge 3,978 tpa (477tonnes actual) ETPsludge at 12% solids

40 +ve (Excluded)

5 ve

7 +ve

Balance from items 2and 3 - 0.94 ve per tonne

Cat 2 Requiresrendering, Asian marketsincreasing demand,testicles, stomach etcmay not be availablemedium to long term(Excluded)

CommercialWastes with inWiveliscombe

730 tpa from breweries,pubs inc oil

5 +ve (average) Some wastes arecurrently collected for free

Domestic foodwastes

912 tpa localcollection

neutral Waste not owned bylocal community, part of SWP collection remit

Farm Slurries None required neutral

Forage Crops 1000 tpa 24.74 ve Forage may be requiredto balance C:N ratios,assumed greater than10% mix

Operating Buffer:

The amount assumed to be onsite at any onetime is for 20 days storage equating to:

585 tonnes of feedstock required

Forage supplies are assumed to be from farmbased enterprises no clamp area has been costedin the CAPEX costs

Commercial AD - Feedstocks


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S ite 1

Issues

Boreho le

C losestpub licres idence

S ite 2

Commercial AD - Location


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Commercial AD - Prospects

1.1 Option A Commercial AD Unit 115kWe

Criteria CriticalWei gh ting

Stat u s Comme n ts

G A

Feeds tock %

Cons tra in ts - Env ironmen ta l 15 % Cons idera tion mus t be given to Diges ter pos ition ing

Cons tra in ts Pl ann ing 15 % Cons idera tion mus t be given to Diges ter pos ition ing

Cons tra in ts r id Connec tion 15 % r id Connec tion is good exac t upgrade requ iremen ts rema in unknown

Financ ia l 35 % Feas ibility econom ics need add itiona l work to see if

cap ita l cos ts can be reduced to improve viab ility or expor tva lues increased

P ower ing 4 h omes


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Commercial AD - Numbers


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Farm based AD - Feedstocks


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Farm based AD - Prospects

1.1 Option B Farm Based Unit 90kWe Generic for 200 Cows

Criteria CriticalWei gh ting

Stat u s Comme n ts

G A

Feeds tock %

Cons tra in ts - Env ironmen ta l 15 % Cons idera tion mus t be given to Diges ter pos ition ing

Cons tra in ts Pl ann ing 15 % Cons idera tion mus t be given to Diges ter pos ition ing

Cons tra in ts r id Connec tion 15 % r id Connec tion exac tupgrade requ iremen ts rema in unknown

Financ ia l 35 % Feas ibility econom ics need add itiona l work to see if cap ita l cos ts can be reduced to improve viab ility or expor tva lues increased

P ower ing 16 h omes


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Farm based AD - Numbers


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AD Conclusion

Not to be proceeded with at this stage

Insufficient feedstock to make the Commercial optionviable.

Economics of farm-based option need more work but

shows promise.


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Biomass


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Biomass

Organic matter such as timber and crops grown to be specificallyburnt to generate heat and power

Biomass is sustainable and generally carbon neutral because the carbon

released in the combustion process is offset by the carbon trapped in theorganic matter by photosynthesis during its growth

- A continuous and virtuous cycle


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The most popular UK biomass crops areshort rotation coppice willow and poplar,

Miscanthus, Reed Canary grass and OilSeed Rape.

. Straw, grain husks, forest products, wastewood and some animal slurry can also beused.


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Biomass Options

Two Options- 100 k W electrical plant to provide power and heat147 homes

- 35 k W heat only 12 homes

Taking the advantage of the proposed Renewable Heat

Incentive


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Biomass Numbers 100k e


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Biomass Conclusion

Proceed-able

recommended basis as community based operationsutilising the Renewable Heat Incentive and paybackthrough shared savings


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Wind


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Identified sites with wind speeds above 5.8m/s at 45m AG L

W i

M

HFz

BR

C

HC

W r

Ch

Ba

As Ap

BR = BromptonRalph

C = Clatworthy

HC = HuishChampflower

Fz = Fitzhead

W i = W iveliscombe

H = Halse

Ch = Chipstable

W r = W aterrow

M = Milverton

Ba = Bathealton

As = Ashbrittle

Ap = Appley


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Sites with wind speeds above 5.8m/s at45m AG L

@ 10m @ 25m @ 45m

a 311 6500 30350 6.1 6.7 7.2

b 294 06730 28730 5.8 6.5 7

c 206 08700 30560 4.8 5.5 6.1

d 308 05125 31625 6 6.7 7.3

e 312 03900 30200 5.3 6.1 6.7

f 326 02450 28618 6.7 7.4 7.8

g 333 02475 30535 6 6.8 7.3

h 377 02550 32633 7 7.7 8.2

i 370 03763 33310 8.3 8.8 9.1

j 370 01800 32550 7 7.7 8.2

k 394 07000 33825 6.9 7.6 8

l 282 07500 26100 5.5 6.2 6.6

m 280 07000 26200 5.5 6.2 6.6

n 269 06600 27400 6 6.6 7.1

o 282 06800 26900 6 6.6 7.1

p 280 06450 25800 5.5 6.2 6.6

q 311 07500 30800 5.4 6.1 6.6

r 309 06655 30720 6 6.7 7.2

s 202 09000 31400 4.3 5.1 5.8

t 307 06120 28250 5.8 6.5 7

Wind Spee d Data (m/s)

Gr id Refere nc eHe igh t (m)Map Co d e


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Western Power Distribution 33kV-400kVsystem map (Source: WP D


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Exmoor National Park boundary (red line)

Clatworthy


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Radar locations from 10

Parishes

RNASYeovilton

RNASMerryfield

Taunton

Brompton Ralph

W iveliscombe

Clatworthy


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Best wind sites & constraints


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Conclusions Summary

W ind

Small scale in selected sites and incoming vertical-axisturbines could be pursued;

- L arge scale cannot proceed until Yeovilton radar sotware patch is fixed in 2012/3

.


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Criteria Critical Weighting Status Comments

G A R

Radar 50% RNAS Yeovilton

Constraints - Environmental 15% W ind Speed

Constraints Planning 30%-70% L andscape, Visual Impacts, Archaeology,

Ecology

Constraints Grid Connection 20%-70% Three wires on grid pole for > 7.4k W p

Financial 10%-50% Green with PP & low grid connection costs;

otherwise Red

Wind >15m - Prospects


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Solar PV(photo voltaic)


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Solar PV

Example Project

Farm-based project


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Consideration Proposed New Farm Building

Installation Speed No limitations once site leveled and prepared

System Orientation South

Roof pitch/angle of PV frames Can be built to optimum 35 o

Roof penetrations Standard fixings required

Roof loading To be constructed to conform

ind loading Low profile required

Visual impact Some, yet mitigation should make insignificant

50ft South-facing roof 40ft South-facing roof

Ground Area (m2

) 158.0 Ground Area (m2

) 126.0Roof Area (m 2) 189.6 Roof Area (m 2) 151.2

Height Width Height WidthApex to Gutter 7.62 20.73 Apex to Gutter 6.10 20.734 panels 6.24 3 panels 4.6819 panels 19.87 19 panels 19.87Excess: 1.38 0.86 Excess: 1.42 0.86

Total South Facing roof area (m 2) = 340.8


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Roof No. of panels

Lengthmm

Widthmm Area m 2

Total

Surface m 2String xmodule

No. of inverters

SunnyBoyinverter

Max AC ActivePower kW

AnnualkWh

50ft 66 2 of 11 3

Mini Central

SMC 7000HV 21 18,364

10 2 of 5 1 SB 2000HF-30 3 2,775

76 1559 1046 1.631 100.4 24 21,139

40ft 48 3 of 8 2

Mini Central

SMC 7000HV 14 13,478

8 1 of 8 1 SB 2500HF-30 2.5 2,233

56 1559 1046 1.631 89.4 16.5 15,711

Size of unit kWe 40.50 De livered Capital Costs 146,750 Client BEP

Area m2 500 OPEX & Finance Costs 165 ,035 Project PV barnsEquity 36,688 25% System 40.50kWp AC insta lled 36,852kWh export

AC Power out 36,852 kWh Tax 20 % Version 25/01/11Own PV Energy Use 0 kWh Inflation 3 % f lat rate ChangeCost per unit 0.090 /kWh E Drivers 0 % f lat Notes Insurance, O&M 5%

Total Energy 0 Debt Interest 5.5 %

% own energy use 0 % Time 10 years Bank loan 110,063Export kWh 36,852 kWh Depreciation 10 years

Yes/No Yes Stats Cumulative Cash Balance Yr 25 = 132,354

Export Value 3 p/kWh Installed costs 3,623.46 /kWeFit Generator Value 31.4 p/kWh Postive Cash Flow 18 years

IRR 6%

SUMMARY Unit Specification and Criteria - Aardvark Model V3.2


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Criteria Critical Weighting Status Comments

G A R

Solar Insolation 20% Orientation

Constraints - Environmental 10% Shading, pitch

Constraints Planning 10%-40% L isted Buildings, Ground Mounted -

Archaeology, Ecology,L

andscape, VisualImpacts, Flood Zones (>1ha)

Constraints Grid Connection 10%-70% Three wires on grid pole for > 7.4k W p

Financial 10%-50% Guaranteed Feed-in-Tariff

Solar PV - Prospects


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Conclusions Summary

GO, GO, GO.Solar Community buildings with south-facing roofs

Farm/factory roof

5 acre fields with 3 wire overhead lines should beinvestigated but see FIT review.


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Brendon Energy

PV Project No. 1

W iveliscombe Childrens Centre

- operated by the Childrens Society on behalf of Somerset CountyCouncils Children and Young Persons Directorate.


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Brendon Energy


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Brendon Energy


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Brendon Energy

THE DEAL

W e would like to use your roof for the installation of Solar Photo Voltaic British-made panels.

Brendon Energy will pay for the panels and their installation no cost to you.

W hen you are using electricity and the panels are generating, you will get FREE electricity andyour electricity bill will go down your building will powered by the Sun.

The community owners of Brendon Energy will earn 41.3p 36.1p per kilowatt/hour from theFeed-In Tariff paid by electricity companies. Earning will increase by 3p per unit of electricityfrom unused (exported) electricity while the panels are generating.

The panels will need insuring and cleaning/maintenance once a year Brendon Energy will payfor this.

www.brendonenergy.org


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Brendon Energy

S AMPLE AGREEMENT FOR THE INST ALLATION OF SOL AR P ANELS(PHOTO VOLT AIC) ON COMMUNITY BUIL DINGS

AGREEMENT P ARTNERSThis agreement is between the installing organisation, Brendon Energy, henceforth referred to asBRESOC (see Note 1) and the building owners and occupiers, Somerset County Council and theChildrens Society together with their sponsors, the Children & Young Persons Directorate,

henceforth referred to as SCC (see Note 2).AGREEMENT PURPOSEThe purpose of this agreement is to enable BRESOC to install solar panels (photo voltaic) on theroof of the Childrens Centre for the purpose of creating a renewable energy supply for the benefitof SCC and the community BRESOC serves.AGREEMENT SITEThis agreement refers to the Childrens Centre, Croft W ay, W iveliscombe, Somerset TA4 2BF

AGREEMENT TERMSBRESOC OB L IGATIONSBRESOC agrees to commission the necessary pre-contract survey and design of a solar panelinstallation and associated electrical works.BRESOC agrees to contract with the MCS accredited installer for the supply and construction of the solar panel installation and associated electrical works.


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BE example project in Porlock


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BE interior of village hall


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BE system meter/safety switch


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BE Interior of Library


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W HERE E L SE IN OUR AREA ?


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Factories


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Industrial premises


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Housing Association


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Terraced houses


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DOMESTIC INSTA LL ATION


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DOMESTIC INSTA LL ATION


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Brendon Energy

Domestic installation example

3.60k W system

Cost fully installed 13,000

Average annual output 3,551K W h(one K W h is the same as one unit)

-


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WE ARE YOU !100% COMMUNITY O W NED

SHARES ON SA L E JU LY/SEPTEMBERINDUSTRIA L & PROVIDENT SOCIETY (FSA REG.) 10 - 20,000 ONE VOTE PER PERSON

WWW.BRENDONENERGY.ORG


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L AUNCH DATE

JU L Y 9 th

ARE YOU READY ?


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