Latest News May 2022

PV Modelling

LHW undertook 8 PV models on existing town centreleading brand  supermarkets to offset energy imports. The models in 3D will help determine feasibility and layouts..

Wind & Solar PV  Modellling

LHW have undertaken a number of PV - Wind Hybrid generator models in the South of England. As a licenced owner of Windpro and PVSyst software, LHW can produce synthetic hybrid generartion  profiles with more granularity than many off the shelf software programs. This will be important in adding complementary technology to existing generation plant.

ASHP Expert Witness

LHW has acted as Joint Expert in determining the reasons behind a potentially underperforming heat pump. The work involved U value determination buy thermography, heat loss calculations, and radiator ratings at various flow temperatures, along with degree day analysis. 

Latest News April 2022

Energy Feasibility

Working with Sinclair & sons , LHW has undertaken a detailed feasibility stidy for decarbomnising a large independant school in Berkshire. The work involved review of PV, wind turbines, energy storage, decentralised and centralised heat pumps, and utility scale solar.

Technical Advisory 

LHW have been advising an island client in the Seychelles area on a large MW scale PV/Battery/Generator solution to significantly reduce the diesel fuel requirement. 

Expert Witness

LHW continue to secure Expert Witness work, including new assignments for residential Heat Pump , Wind Turbine, as well as  PV and Battery storage.   LHW are the only IET Presidents llist  recommneded PV Expert Witness.


LHW have additionally been invited to assist with the rewrite of the 2015 IET PV Code of Practice for Grid Connected PV Systems.

Latest News March 2022

British Film Institute

LHW has undertaken an energy review for the BFI in Berkamsted, to look at ways to reduce energy consumption. The BFI has 3 major environmentally controlled vaults to house historic film industry  origonals, and the energy consumption is significant.  The work involved IR and other methodologies to determine a strategy for the future.


LHW has continued its offering to the Energy Institute & IET in providing mentoring and CEng interviews to help accelerate the development of professionals the future in a key market sector.

Technical Advisory services

ILHW continue to provide TA services on 2 new PV farms being constructed in the UK. The use of UAVs facilitates the large areas that need to be covered on order to determine progress on these large sites.

Latest News Feb 2022

Bivalent / GSHP Expert Witness

In January LHW provided an Expert Witness Report on a Bivalent Borehole GSHP/ Gas boiler heating system for a large residental block of housing comprising 82 flats. The report covered heating generation and distribution/emission.

PV Site Inspections

As part of Due Diligence & Staged construction inspection LHW visited 2 PV farms in Oxfordshire & Somerset to undertake site review and appraisals on a toral of 43MWp of capacity.

Grid Connection applications

Since December LHW are undertaking a range of grid connection apppications from rooftop PV , large PV farms and energy strorage applications - 300MW in total for a total of 25 projects.

Latest News January 2022

Local Authority Solar projects

2022 sees 3 PV Farm construction projects on behalf of Local Authorities exceeding 50MWp where LHW will be acting as Clients Engineer. 

Training & Development

LHW are will be providing technical training services to some of UKs leading EPC contractors younger engineers in early 2022

Addition of PV - Batteries to AD plant

LHW will be acting as clients engineer for the addtion of a 1.3MWp/1MWh PV/Battery system to provide onsite power to an existing AD plant that exports gas to the National Grid in Berkshire.

Latest News December 2021

Recommendations for fire safety with photovoltaic panel installations

LHW has subitted the draft PV & Fire guidelines to update and harmonise the document published by the Fire Protection Association and RISC Authority - "RC62 Recommendations for fire safety with photovoltaic panel installations". The update was funded by MCS & RISC Authority. 

Volume Building Heat loss indentification

LHW has develped stabilised image solutions for vehicle gimbal mounted building heat loss thermographic imagery, as well as remotely operated EL & IR imagery for roof top PV analysis.

Seasons wishes

After an extermely busy year, It is time to chill, and look forward to 2022, as lots to do. 

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