166 pieces published

Author

Harry Parker

Energy Consultant, Seenra Inc

Energy Consultant at Seenra Inc. Harry advises US commercial buyers and households on supplier procurement, multi-site aggregation, and the operator-level math behind locked-rate contracts. Eight years on the buy side across PJM and ERCOT zones — he has run the load profile, the reverse auction, and the renewal calendar for portfolios from 50 kW restaurants to 18 MW manufacturing campuses.

Commercial procurement
PJM markets
Multi-site aggregation
Operator math

LinkedIn ↗

Guides (9)

Guides written by Harry

switching · 6 min

How to switch your energy supplier in 5 minutes

The full switching workflow in plain English: ZIP, current utility, current rate, then pick a fixed-rate offer. Same wires, no service interruption.

lock in · 7 min

When to lock in: pricing windows by season

Wholesale futures front-load the winter spike. The best lock-in window is typically Aug–Oct ahead of the December–February ramp.

lock in · 8 min

12-month vs 24-month vs 36-month: which lock-term wins

Term length is the single biggest lever after rate. We compare the math, the renewal risk, and the breakage cost across all three.

reading the-bill · 11 min

Anatomy of a commercial electricity bill

Demand charges, time-of-use, capacity tags, ratchet clauses. The line items that matter most on a $4k–$60k/mo invoice.

state by-state · 8 min

Switching energy supplier in Ohio

Ohio's PUCO Apples-to-Apples and the deregulated PJM zones. AEP Ohio, FirstEnergy, Duke, AES — what each utility's supplier choice rules look like.

state by-state · 9 min

Switching energy supplier in Texas

Texas ERCOT zones, Power-to-Choose, and the Retail Electric Provider (REP) market. Why Texas is the most competitive supplier market in the US.

commercial · 12 min

Running an electricity RFP for a commercial portfolio

Single-site SMB up to multi-site retail and Class-A office. How to scope the RFP, who to invite, and how to score offers apples-to-apples.

commercial · 7 min

Multi-site aggregation: when bundles beat individual shopping

Aggregating 8 storefronts under one supplier contract often clears 1.5–2.5% better than each site shopping alone. Here is why, and when it does not.

renewables · 6 min

How much extra does green electricity actually cost?

The premium on certified-renewable supply ranges from 0.3¢ to 1.2¢/kWh in 2026. Here is the breakdown.

Blog posts (157)

Editorial by Harry

residential-savings · 9 min

Why your electric bill jumps every July

Why is your electric bill so high in summer? July runs 30 to 40 percent above June across PJM and ERCOT. Here is the 5-step flatten playbook.

residential-savings · 8 min

The hidden cost of variable-rate electricity in 2026

Variable rates re-price every month with the wholesale market. In 2025 they ran 18 percent above fixed. Here is the math and when variable still wins.

residential-savings · 8 min

How a smart thermostat actually saves you $172 a year

ENERGY STAR certified smart thermostats cut HVAC kWh by 8 to 12 percent. On an $1,800 annual electric bill that is roughly $172. Here is the math by climate zone.

residential-savings · 9 min

ENERGY STAR appliances ranked by real-world payback

Not every ENERGY STAR sticker pays back equally. Heat-pump water heaters lead at 4 years; clothes washers trail at 12. The full ranked table.

residential-savings · 7 min

Phantom loads: the 11 devices stealing power right now

Phantom or vampire load drains 5 to 10 percent of household electricity. Cable boxes, game consoles, and chargers lead. Here is the audit checklist.

electrification · 10 min

Heat pump vs gas furnace: 5-year cost breakdown

A cold-climate heat pump costs $4,200 more upfront than a gas furnace but recoups it in years 4 to 6. The 5-year operating cost by state.

rate-literacy · 6 min

The kWh math every homeowner should know

A kilowatt-hour is one 1,000-watt appliance running for one hour. The average US home uses 877 kWh a month. Here is the math, with examples.

rate-literacy · 8 min

Time-of-use rates: do they save money in 2026?

TOU plans charge 3 to 5x more during 4 to 9 pm. EV owners and remote workers save 12 to 18 percent. Stay-at-home families lose. The decision tree.

residential-savings · 9 min

Average electric bill in America by ZIP code (2026)

The US average is $148 a month, but Hawaii hits $186 and Utah $98. Bills by ZIP type — urban, suburban, rural — with the gap explained.

residential-savings · 8 min

Fixed vs variable: which electricity rate wins this winter?

Variable rates ran 22 percent above fixed during the December 2025 cold snap. The case for locking now, with the 12-month math by state.

rate-literacy · 8 min

How to read your utility rate-class summary

Rate class decides supply, delivery, and capacity charges. Residential R is one tier; small commercial GS-1 is another. The plain-English decoder.

switching-101 · 8 min

The truth about cheap supplier teaser rates

Teaser rates dangle 3-month introductory pricing then re-rate. The cancellation fee math and the 4 red flags every shopper should spot.

seasonal · 8 min

Why your electric bill is highest in February (it is not AC)

February runs longer-darker hours plus electric heat resistance load. In all-electric homes the peak month is February, not August. Why.

electrification · 8 min

How induction cooktops compare to gas ranges on the bill

Induction is 85 percent efficient vs gas at 40 percent. Per-meal cost is $0.18 induction vs $0.31 gas at current rates. The 5-year math by state.

residential-savings · 8 min

Window AC vs central AC: which costs less per cooling-hour?

Window units run $0.08 per hour per 8,000 BTU; central AC runs $0.32 per hour at 36,000 BTU. Apartment-vs-home break-even and SEER math.

residential-savings · 10 min

The 7-day audit that uncovered $43 a month of waste in our home

We ran a 7-day home audit with a Sense monitor and a Kill-A-Watt. The 12 specific findings, the $43 a month savings, and the 1-hour fixes.

rate-literacy · 8 min

Demand charges on a residential bill — when they apply

Most homes do not see demand charges, but EV chargers, hot tubs, and central AC can trip them. The 6 utilities that bill demand on residential.

rate-literacy · 8 min

What supply vs delivery really means on your bill

Supply is the energy itself; delivery is the wires + meter + outage response. Only supply changes when you switch suppliers. The line-by-line decoder.

switching-101 · 9 min

The case for locking your electric rate before September

PJM capacity auction results hit retail rates in September. Locking in July-August catches the pre-rise window. The seasonal lock playbook.

solar-renewables · 10 min

Net metering changes that hit residential solar in 2026

NEM 3.0 in California, 1 to 1 still in Ohio, time-of-export in Massachusetts. State-by-state net metering changes and what they do to payback.

natural-gas · 9 min

Why is my gas bill so high in January?

January is the coldest month statistically, plus pipeline capacity charges spike. The anatomy of a winter gas bill, line by line.

natural-gas · 6 min

Therm vs CCF: decoding your natural gas bill

A therm is 100,000 BTU. A CCF is 100 cubic feet, ~1.025 therms. Why two units, how the conversion works, and which one your utility bills.

natural-gas · 9 min

Natural gas vs propane: cost, safety, conversion math

Natural gas runs $1.20 per therm; propane runs $2.40-equivalent. But propane has 2.5x the BTU per cubic foot. The full comparison and conversion guide.

switching-101 · 8 min

How to switch your natural gas supplier in 5 steps

Same pipes, same meter, same emergency response. Only the supply line changes. The 5-step switch + what to verify before signing.

natural-gas · 8 min

Gas furnace AFUE ratings explained for homeowners

AFUE is annual fuel utilization efficiency. 80 percent is standard; 95 percent+ is high-efficiency condensing. The replacement decision tree by climate zone.

natural-gas · 7 min

The 9 signs of a natural gas leak every household should recognize

Rotten-egg smell, hissing near appliances, dead vegetation outside, sudden bill spike. The 9 signs and the exact 911-or-utility decision rule.

natural-gas · 8 min

Why fixed-rate gas wins during a polar-vortex week

During the December 2025 polar vortex, variable gas re-priced 47 percent higher in week 1. Locked-rate customers paid the November contract price. The math.

natural-gas · 8 min

Tankless vs traditional gas water heater: 10-year math

Tankless costs $1,800 more upfront, saves $90 a year on gas, lasts 20 years vs 10. The 10-year and 20-year cost-of-ownership comparison.

markets · 8 min

The Henry Hub price — what it means for your winter bill

Henry Hub is the US benchmark price for natural gas. When it hits $5 per MMBtu, retail bills follow within 60 days. The 5-year chart and forecast.

natural-gas · 8 min

Pipeline capacity charges that hit your gas bill in winter

Capacity charges reserve pipeline space for winter peaks. They show up as $7 to $22 per dekatherm on January bills. Why utilities pass them on.

natural-gas · 7 min

Natural gas safety: what to do if you smell rotten eggs

Mercaptan is added to natural gas to make leaks smellable. If you smell rotten eggs, leave first, call from outside. The 7-step protocol.

electrification · 11 min

Whole-home gas conversion vs heat-pump retrofit

Adding gas service costs $4 to $8k. Heat-pump retrofit costs $12 to $22k but earns IRA tax credits and zero combustion. The 20-year ownership math.

switching-101 · 8 min

How utility gas rates differ from supplier gas rates

Utility default service is the price-to-compare. Supplier rates lock for 12 to 36 months. The difference, and when each one wins.

markets · 7 min

Natural gas storage levels and your January bill

EIA storage data drops every Thursday. When inventory falls below 5-year average, retail prices rise within 30 days. How to read the chart.

natural-gas · 10 min

Top 7 ways to lower your natural gas bill before December

Lock the rate, weatherize, set water-heater to 120F, swap to LEDs, tune the furnace, use a smart vent, switch supplier. Step-by-step.

state-spotlight · 9 min

Ohio electricity rates 2026: AEP, Duke, FirstEnergy compared

AEP Ohio sits at 12.4 cents per kWh standard service. Duke at 11.9. FirstEnergy at 13.1. Why the spread, and how to switch on each utility.

state-spotlight · 8 min

PUCO standard offer vs CRES suppliers — what changed

PUCO sets the price-to-compare; CRES suppliers compete below it. The 2026 reforms, the certification list, and how to read a CRES disclosure.

state-spotlight · 8 min

Cleveland natural gas: who delivers, who supplies, who charges

Dominion Energy Ohio delivers gas to Cleveland. Suppliers compete on the supply line. The local-rate-class breakdown and how to switch.

state-spotlight · 8 min

Cincinnati electricity: switch suppliers in 5 minutes

Duke Energy Ohio territory residents have 30+ certified suppliers. The fastest 5-minute switch path, with the 3 disclosure questions to ask first.

state-spotlight · 9 min

Columbus electric rates and the new PJM capacity auction

PJM 2025 capacity auction cleared at $269 per MW-day. Columbus AEP customers see this in supply rates from June. Here is the math.

state-spotlight · 8 min

Ohio aggregation: opt-in vs opt-out programs explained

NOPEC, SOPEC, and county aggregation buy power for thousands of households at once. The opt-out window, opt-in alternatives, and why both can exit.

state-spotlight · 7 min

Akron and Canton energy comparison guide for renters

FirstEnergy serves Akron and Canton. Renters can switch suppliers without landlord approval. The renter-friendly 4-step path.

commercial · 9 min

Toledo small-business electricity rates: 2026 outlook

Toledo GS-1 rate runs 11.8 cents per kWh. With supplier choice plus aggregation, small businesses can lock at 9.4 to 10.2 cents per kWh through 2027.

seasonal · 10 min

Ohio winter heating costs by county — full breakdown

Cuyahoga, Hamilton, Franklin counties run $185 to $220 a month gas heat in January. Rural counties hit $260+. The heating-degree-day map and savings tiers.

state-spotlight · 8 min

AEP Ohio price-to-compare history (5-year chart)

From 6.1 cents per kWh in 2021 to 12.4 cents per kWh in 2026, AEP Ohio PTC has more than doubled. The driver mix and where it likely heads next.

state-spotlight · 8 min

PA Power Switch 2026: how it actually works

PaPowerSwitch.com is the PUC free comparison tool. Why filtering by 12-month rate alone is the wrong move, and the 5 fields that matter.

state-spotlight · 9 min

PECO vs PPL vs Duquesne — supplier choice by territory

PECO covers Philly. PPL covers central PA. Duquesne covers Pittsburgh. Each territory has a different supplier list, default rate, and lock window.

state-spotlight · 8 min

Philadelphia electricity rates and switching guide

PECO PTC sits at 11.6 cents per kWh. With 50+ certified suppliers, Philly residents can lock at 9.5 cents per kWh for 18 months. The 5-step switch.

state-spotlight · 9 min

Pittsburgh winter heating: gas + electric strategy

Duquesne Light delivers electricity. Peoples Natural Gas + Columbia Gas split the gas market. The dual-fuel lock strategy that beats both defaults.

state-spotlight · 7 min

Pennsylvania price-to-compare and the PUC supplier list

The PUC publishes the PTC every quarter. It is the rate to beat. The 4 fields on the supplier list every shopper should sort by — and which to ignore.

state-spotlight · 8 min

Erie energy rates: the lakeshore weather effect on bills

Lake-effect snow drives Erie heating-degree-days 12 percent above central PA. The bill premium and how Erie residents can offset with the right lock.

state-spotlight · 7 min

Allentown PPL rate class C and your monthly delivery cost

PPL rate class C is residential — but the delivery line on Allentown bills runs $42 to $58 a month. Why, and how to verify your class is correct.

state-spotlight · 9 min

PA gas suppliers — Columbia, UGI, Peoples — who you pick

Pennsylvania has 7 gas utilities. Columbia, UGI, and Peoples cover 68 percent of homes. Each has a different default rate and supplier-choice list.

commercial · 9 min

Reading and Lancaster small-business energy guide

Met-Ed serves Reading; PPL serves Lancaster. Both have GS-1 rates around 11.5 cents per kWh. The 6-month lock window most operators ignore.

state-spotlight · 8 min

The PA capacity charge spike: why winter 2025-26 was costly

PJM 2025 capacity clear at $269 per MW-day hit Pennsylvania bills hard in winter 2025-26. The component breakdown and what the 2026 auction will do next.

state-spotlight · 9 min

ERCOT 2026: how grid stability shapes your electric bill

ERCOT added 11 GW of new generation in 2025 plus 6 GW of battery storage. The 2026 reliability outlook and what it means for retail rates.

state-spotlight · 9 min

Power to Choose explained — without the marketing fog

PowerToChoose.org lists 200+ Texas REPs. Sort by 1,000-kWh price. Read the EFL. Avoid bill credits below 1,000 kWh. The shopper playbook.

state-spotlight · 9 min

Houston electricity rates and the hot-weather load curve

Houston electricity demand peaks at 5 to 7 pm in August. Time-of-use plans punish that window. The load-shift strategy plus the 2026 rate outlook.

state-spotlight · 9 min

Dallas vs Austin vs San Antonio: who pays more per kWh

Dallas Oncor TDU runs 4.4 cents per kWh. Austin Energy is municipal at 11.0 cents per kWh all-in. San Antonio CPS is municipal at 10.2 cents per kWh. Why the spread.

state-spotlight · 9 min

Texas free nights and weekends plans: do they really save?

Free-nights plans charge 22 cents per kWh during day to offset free off-peak. Only households using 38 percent+ of kWh after 8 pm save. The math by household type.

state-spotlight · 9 min

Indexed vs fixed Texas rates after Winter Storm Uri

Winter Storm Uri pushed indexed-rate customers to $9,000 monthly bills. Fixed-rate customers paid normal. The 2021 lesson and the 2026 stance.

state-spotlight · 8 min

ERCOT vs Oncor vs Centerpoint: supplier vs T&D fees

ERCOT runs the grid. Oncor and Centerpoint own the wires (TDU). REPs sell the energy. The fee bucket each one collects on a Texas bill.

natural-gas · 8 min

Texas natural gas heating in zone 8 (Panhandle) homes

Amarillo and Lubbock Panhandle homes hit -10F nights. Atmos Energy gas service costs $190 to $260 in January. The supplier-choice options in the Panhandle.

state-spotlight · 8 min

The truth about free electricity promotional plans

Free promotional plans charge 18 to 26 cents per kWh during paid hours, well above market. Most households break even at best. The math behind the marketing.

state-spotlight · 8 min

How to read an EFL (Electricity Facts Label) line by line

The EFL is a one-page nutrition label for a Texas REP plan. Average price at 500/1000/2000 kWh, fees, term, cancellation. The decoder.

state-spotlight · 9 min

New Jersey BPU energy choice: 2026 supplier list

NJ BPU certifies 50+ Third Party Suppliers. PSE&G, JCP&L, Atlantic City Electric, Orange & Rockland are the four utilities. The 4-step switch.

natural-gas · 8 min

NJ natural gas: PSE&G, NJNG, Elizabethtown supplier choice

NJ has four gas utilities. Each has different default rates. Supplier choice runs through the BPU. The cross-utility comparison and switch path.

state-spotlight · 9 min

Maryland PSC and the BGE / Pepco supplier shopping guide

BGE serves central Maryland; Pepco serves DC suburbs. The PSC shopping site lists all 30+ certified suppliers. The 5-step Maryland switch.

state-spotlight · 9 min

Illinois ICC standard offer vs ARES suppliers — 2026

ComEd standard offer reset June 2026. With ARES (Alternative Retail Electric Suppliers) certified by the ICC, the savings window is real but small.

state-spotlight · 9 min

Connecticut Eversource standard service: switch or stay?

Eversource standard service in CT runs 14.6 cents per kWh — among the highest in the lower 48. The 4 supplier classes ranked, plus when staying wins.

state-spotlight · 9 min

Massachusetts National Grid basic service vs competitive

National Grid basic service in Massachusetts adjusts every 6 months. Competitive suppliers can lock for 12 to 24. The Boston-area savings math.

state-spotlight · 9 min

New York ESCO 2026: NYS PSC reforms and what changed

NY PSC tightened ESCO marketing rules in 2024 and 2025. The 3 disclosures every NY supplier must show, and how to vet an ESCO offer in 2026.

state-spotlight · 7 min

Delaware Delmarva electric supplier choice in 2026

Delmarva Power covers Delaware. The PSC certifies a small but stable supplier list. The 5-step switch and the Sussex County beach-house exception.

state-spotlight · 7 min

Rhode Island energy choice: a small-state shopper guide

RI Energy serves the whole state. With a smaller supplier list than MA or CT, RI residents save 6 to 12 percent by locking. The 4-step switch.

state-spotlight · 10 min

Maine electricity supply rate spike — what to do now

Maine standard offer doubled in 2024 and stayed elevated. Versant + CMP territories see 16 to 19 cents per kWh defaults. The 6-supplier shortlist worth shopping.

state-spotlight · 8 min

New Hampshire CompetitiveElectricity.com explained

NH PUC official shopping site lists 25+ suppliers. Eversource, Unitil, NH Electric Co-op, and Liberty all participate. The site walk-through.

state-spotlight · 8 min

Washington DC Pepco supplier list and rate comparison

Pepco DC standard offer adjusts every six months. With 30+ certified suppliers, locking saves 8 to 14 percent. The 5-step switch for DC residents.

state-spotlight · 9 min

Michigan opt-out aggregation programs (the 10 percent rule)

Michigan MPSC capped retail choice at 10 percent of the load on each utility. The waitlist, the lottery, and the workaround paths for 2026.

state-spotlight · 8 min

Virginia Dominion and the new shopping window

SCC 2024 ruling reopened limited supplier choice for Dominion residential customers under the 100 percent renewable carve-out. Eligibility and switch path.

state-spotlight · 10 min

Why every deregulated state has a different shopping rule

PA opens 100 percent choice. NY caps marketing rules. MI caps load at 10 percent. The 14-state matrix of who can switch, when, and what is allowed.

commercial · 11 min

Commercial energy procurement 101 for facility managers

Demand vs energy charges, load factor, capacity tags, RFP timing. The full primer for facility managers writing their first commercial energy contract.

commercial · 10 min

Demand charges explained: kW vs kWh on a commercial bill

kW measures peak instantaneous load; kWh measures total energy. Demand charges hit your peak. The 4 strategies to lower demand without lowering output.

commercial · 9 min

Load factor: the metric that decides your supply rate

Load factor is avg-kW / peak-kW. Above 65 percent = a flat profile suppliers love. Below 35 percent = spiky and expensive. The math and how to improve it.

commercial · 9 min

TOU rates for small businesses — when they pay off

A 7am to 7pm retail shop loses on TOU. A 4pm to midnight kitchen wins. The decision tree by sector — restaurant, retail, office, light manufacturing.

commercial · 10 min

Real-time pricing (RTP) for industrial customers

RTP plans tie supply to wholesale hourly LMP. Industrial customers with shiftable load save 15 to 22 percent in normal years. The risk-reward analysis.

commercial · 11 min

Energy hedging strategies for multi-site retail

A 50-store retail chain hedges 60 percent of load on a 24-month fixed lock and 40 percent on RTP. The barbell strategy that protected margins through 2025.

commercial · 10 min

PJM capacity auction 2026 results — commercial impact

PJM cleared $269 per MW-day for 2025-26. The bill increase by load profile, by state, and the 90-day window to lock before Q3 retail rate updates.

commercial · 10 min

ERCOT 4CP charges and how to manage them

4CP is the four-coincident-peak charge that ERCOT uses for transmission. Big commercial customers can save 18 to 30 percent by curtailing on the 4 critical hours.

commercial · 11 min

Multi-site portfolio aggregation for energy procurement

Bundling 12 sites into a single supplier RFP earns rate concessions of 6 to 9 percent versus shopping each site solo. The aggregation playbook plus pitfalls.

commercial · 10 min

The case for 36-month vs 12-month commercial locks

A 12-month lock catches early dips; a 36-month lock weather-proofs through two PJM auctions. The historical hindsight calc, plus the right call for 2026.

commercial · 11 min

Renewable Energy Credits (RECs) for ESG-mandated buyers

A REC certifies one MWh of renewable generation. Voluntary vs compliance markets, bundled vs unbundled, Green-e certification — the buyer matrix.

commercial · 10 min

Demand response programs: $/kW back to your business

PJM, ERCOT, ISO-NE pay commercial customers $30 to $90 per kW reduced during emergency events. The enrollment path and the realistic earnings.

commercial · 11 min

How a manufacturing plant cut its kWh bill 18 percent in 90 days

A 380,000 sqft Ohio plant ran the audit + supplier switch + load shift. Result: 18 percent lower kWh bill, 14 percent lower demand. The full case study.

commercial · 10 min

Class-A office buildings: tenant energy pass-through guide

Class-A leases pass operating expenses to tenants pro-rata. Locking the building rate cuts the OPEX line by 8 to 14 percent. The owner-tenant playbook.

commercial · 10 min

Hospitality groups: energy procurement across 200+ rooms

A 240-room hotel runs 1,800,000 kWh per year. Locking 24 months at PJM low cleared $84,000 on the OPEX line. The full procurement playbook.

solar-renewables · 11 min

Community solar 2026: how subscriptions actually pay back

Community solar subscribers in NY, MA, IL save 5 to 12 percent on electricity without rooftop panels. The bill-credit math, eligibility, and 7 best-state list.

solar-renewables · 11 min

Rooftop solar in Ohio: net metering, ITC, and the new tariff

AEP Ohio still offers 1 to 1 net metering. The 30 percent federal ITC stacks. Average 6.5 kW system pays back in 8.4 years. The 2026 Ohio install playbook.

solar-renewables · 10 min

Pennsylvania solar incentives + AEPS programs explained

PA Alternative Energy Portfolio Standard mandates 8 percent Tier I renewables by 2027. SREC market plus federal ITC stacks for residential. The PA solar map.

solar-renewables · 11 min

Texas residential solar: ERCOT buyback rates by REP

Texas has no statewide net metering. Each REP sets buyback rates: TXU 9.7 c/kWh, Reliant 7.5, Octopus 14.0. The shopper solar-friendly REP shortlist.

solar-renewables · 11 min

Battery storage payback in 2026: when it pencils

A 13.5 kWh home battery costs $13,500 installed. With NEM 3.0 in CA, payback is 7.2 years. With 1 to 1 net metering elsewhere, 14+. The math by state.

solar-renewables · 11 min

Solar PPA vs solar lease vs solar loan — true cost

PPA = pay-per-kWh. Lease = fixed monthly. Loan = own + ITC. The 25-year ownership math by financing path, with the right call by household income.

solar-renewables · 10 min

REC retirement: what it actually does for your carbon claim

Retiring a REC pulls one MWh of renewable generation off the market for everyone else. Why this is real abatement, when it is not, and the ESG audit angle.

electrification · 11 min

Heat pumps + solar: the all-electric home math

A 7 kW solar array covers a heat-pump + induction + EV home in most climate zones. The full system cost, IRA credit stack, and operating savings.

electrification · 11 min

Geothermal heat pumps for cold-climate states

Ground temperature stays 50 F year-round. Geothermal beats air-source in MN, ND, MI heating. The $25 to $40k install cost vs the lifetime efficiency math.

solar-renewables · 12 min

Microgrids for hospitals, campuses, and industrial parks

A microgrid combines solar, storage, and CHP to ride through grid outages. Princeton, Nemours, and FedEx Memphis case studies, plus the cost-benefit math.

solar-renewables · 10 min

Why "100 percent green" supplier plans are not always greener

A 100 percent green plan often means RECs are bought to offset normal grid power. That is not new generation. The Green-e standard plus 4 vetting questions.

policy · 11 min

The IRA tax credit window: which incentives expire when

30 percent solar ITC runs through 2032. Heat pump credit caps $2,000/yr. EV charger 30C. Battery 30 percent. The full IRA credit-by-product timeline.

seasonal · 10 min

Polar vortex 2026: how to prep your bill before December

NOAA CPC outlook hints at a colder-than-average January. Lock the rate, weatherize, set water-heater 120 F, swap dryer to gas. The 8-step prep.

seasonal · 10 min

Heat dome electricity costs: data from summer 2024-25

The June 2025 heat dome pushed CAISO real-time prices to $1,000/MWh. Variable-rate residential bills rose 32 percent that month. The data, with maps.

seasonal · 11 min

Hurricane season and grid resilience in coastal states

2026 hurricane season runs June to November. FL, TX, LA see 70 percent of US power outages. The 5-step household resilience plan plus utility coordination.

seasonal · 9 min

Wildfire smoke and AC load: a Western US case study

2024 wildfire smoke pushed Phoenix AC load up 18 percent on indoor-air filtration. The MERV-13 + portable HEPA load model and the bill premium.

seasonal · 8 min

April and October — the cheapest months for energy

Mild temperatures, low capacity charges, and shoulder-season wholesale prices make April and October the cheapest energy months. The data, plus what to do.

seasonal · 10 min

Winter heating cost forecast for the 2026-27 season

EIA Short-Term Energy Outlook predicts gas heating up 8 percent, electric heating up 4 percent, and oil up 12 percent for winter 2026-27. State-by-state estimates.

seasonal · 9 min

Summer 2026 cooling outlook by NOAA region

NOAA CPC summer 2026 outlook leans hotter than average across South + West. Cooling-degree-day projections and bill estimates by region.

seasonal · 9 min

Drought conditions and hydropower bill impact

Western drought cut California Oregon hydropower 18 percent in 2024. Replacement gas-peaker generation lifted CAISO retail bills 6 percent. The 2026 outlook.

seasonal · 8 min

Spring shoulder season: why your bill drops 30 percent

April + May see HVAC off, longer daylight, and milder wholesale prices. Average residential bill drops $48 to $72 vs February. Lock window or not?

seasonal · 7 min

Holiday lighting electricity cost (LED vs incandescent)

Incandescent strands draw 40W per 100 lights; LED draws 4W. Over a 6-hour day December run, the difference is $34 vs $3.40. The full math.

seasonal · 9 min

Snowstorm power outages: who pays for the lost food

After a 24+ hour outage, fridge food spoils. Home insurance covers it under HO-3 with a $500 typical cap. Utility goodwill claims sometimes cover too.

seasonal · 9 min

Heat advisories: when running AC stops being optional

Above 95F + high humidity, indoor temps without AC pose health risks within 4 hours. The medical thresholds, plus the energy-cost vs health math.

electrification · 12 min

The 8-step home electrification plan for 2026

Audit, panel, water heater, heat pump, induction, EV, solar, battery — in that order. The full sequence with costs, IRA credits, and 5-year pacing.

electrification · 10 min

Heat pump water heaters: cost, install, payback

HPWHs cost $2,200 installed vs $1,400 for gas. They cut hot-water energy 60 percent. With IRA credit, payback drops to 4 years. The full setup guide.

electrification · 10 min

Induction range vs gas range: cost-of-cooking math

Induction at 85 percent efficiency boils water in 3:48 vs gas at 6:42. The per-meal cost, install cost, and the IRA $840 induction rebate breakdown.

electrification · 10 min

EV charging at home: Level 1 vs Level 2 vs no install

L1 = 120V trickle (4 mi/hr). L2 = 240V (25 mi/hr). The math on which fits a daily commute, plus the $1,000 30C tax credit window.

electrification · 10 min

Time-of-use rates for EV owners: real-world savings

An EV charged on TOU at midnight pays 2.4 c/kWh in some markets vs 14 c/kWh peak. Annual savings hit $620 on a Tesla M3. The state-by-state rates.

electrification · 11 min

Smart panel systems (SPAN, Lumin) — when they pay off

Smart panels manage circuits dynamically — pause the EV charger if the dryer kicks on. Cost: $4,500 installed. Payback: backup integration + amperage avoidance.

electrification · 10 min

Whole-home backup batteries vs portable generators

A 13.5 kWh battery runs essentials 18 hours. A 9 kW gas generator runs unlimited. The lifetime cost, fuel access, and noise comparison.

electrification · 10 min

Energy-monitoring apps that actually work (2026 review)

Sense, Emporia Vue, Wiser. The 3 home-energy monitors compared on accuracy, install difficulty, and per-circuit visibility. The $300-500 spend that actually pays.

electrification · 8 min

Smart plugs and the data that surprised us

We monitored 12 smart plugs for 30 days. Coffee maker, gaming PC, treadmill — the surprise top-3 phantom drains. Plus how scheduling cut $14 a month.

electrification · 10 min

The induction-cooking transition for gas-stove holdouts

Gas-stove holdouts have 4 valid concerns: temperature feel, cookware compatibility, cost, and re-wiring. The myth-bust + the 5-day kitchen test plan.

policy · 10 min

PJM capacity auction explained for residential customers

PJM auctions ahead-of-time generation capacity. The $269/MW-day clear hits residential bills three months later. The full explainer in plain English.

policy · 11 min

ERCOT vs PJM: how grid design shapes your bill

ERCOT is energy-only. PJM has capacity markets. This single design difference produces $20-60 a month bill divergence in extreme weeks. Why.

policy · 11 min

Inflation Reduction Act 2026: home-energy credit guide

25C: $3,200/yr for efficiency. 25D: 30 percent for solar/battery/geothermal. 30C: $1,000 for EV charger. The full credit-by-credit walkthrough.

policy · 10 min

Federal weatherization assistance program walk-through

WAP grants weatherize 35,000 homes a year at no cost to qualifying households. Insulation, air sealing, water heater, sometimes furnace. The eligibility + apply path.

policy · 10 min

ENERGY STAR rebate stacks for homeowners

ENERGY STAR rebates from utility + state + IRA can stack to cover 60 percent of an HPWH or heat pump. The rule book by state and the order to claim.

policy · 11 min

The DOE home electrification rebate (HEAR) for 2026

HEAR delivers up to $14,000 per low- or moderate-income household for full electrification. State-by-state rollout status + 2026 application path.

policy · 11 min

State-level energy efficiency programs ranked

ACEEE ranks all 50 states on efficiency policy and program funding. CA, MA, NY lead. SD, AK, WY trail. The 2026 ranking + what each best-state offers.

markets · 10 min

The 2026 Henry Hub natural gas price outlook

EIA STEO projects Henry Hub at $3.42/MMBtu in 2026, up 14 percent YoY. LNG export demand + cooler-than-average winter outlook. The bill-impact math.

switching-101 · 9 min

The 12-minute energy supplier audit anyone can run

Pull last 12 bills, find your effective rate, compare to today PTC, check 6 supplier offers. 12 minutes. Most homes find $300+ a year in savings.

rate-literacy · 8 min

Reading your bill rate-class line — by utility

AEP calls it "Rate Schedule." Duke calls it "Tariff Code." PSE&G calls it "Class." Same meaning, different label. The 8-utility decoder.

switching-101 · 10 min

Auto-renewal traps every locked-rate customer should know

Locked supplier contracts often re-rate to 30 percent+ above market on auto-renew. The 4 disclosure rules by state, plus how to set the renewal-window alarm.

rate-literacy · 9 min

Estimated bill vs actual meter read — what to dispute

Utilities estimate when meters cannot be read. Two estimates in a row should be disputed. The dispute path with PUC complaint timeline.

switching-101 · 9 min

The cancellation fee math: when leaving early still wins

A $150 cancellation fee plus locking 4 c/kWh lower beats riding out a $0.18/kWh contract on most homes. The break-even formula for any fee + rate-delta.

switching-101 · 9 min

How to spot a teaser rate before you sign

Teaser rates show 3-month intro pricing then re-rate. The 6 disclosures every offer must show + the math that exposes a teaser-disguised-as-fixed.

switching-101 · 10 min

Energy supplier reviews: red flags in the fine print

BBB rating, state PUC complaint count, indexed-rate hidden in "fixed" plan, monthly rate adjustments, base-charge sneak. The 7 red flags vetted shoppers spot.

rate-literacy · 8 min

Rate "expiration" vs "renewal" — they are not the same

Expiration drops to default service. Renewal locks again at the supplier posted rate. The 2-letter difference that costs $400+ on the wrong move.

switching-101 · 8 min

The 4 questions to ask before any energy contract

1) What is the all-in rate including base charge? 2) What is the term? 3) What is the cancellation fee? 4) What happens at end of term? Memorize these.

switching-101 · 8 min

How to compare two supplier offers in under 60 seconds

Effective rate at typical usage, term, ETF, end-of-term behavior. Four numbers, one ranked answer. The 60-second offer-comparison framework.

switching-101 · 8 min

Estimated savings: how to read the disclaimer correctly

"Up to 20 percent off" usually means a 7 percent average. The 4 disclaimer phrases that re-frame any savings claim, plus the FTC rule that backs them up.

rate-literacy · 8 min

The energy literacy quiz (10 questions, 5 minutes)

Test your kWh, supply-vs-delivery, capacity-charge, fixed-vs-variable, and ENERGY STAR knowledge. 10 questions, with the right answer + why.

switching-101 · 9 min

Why a "cheaper rate" is not always a cheaper bill

Base charges, demand charges, capacity tags, minimum-usage fees can flip a "cheaper" supplier into a more expensive bill. The all-in math.

commercial · 8 min

The Real Reason Your Commercial Electricity Bill Is So High (And the 60% You Can Actually Negotiate)

More than half of a U.S. commercial electricity bill is the supply portion - the one line item open to a competitive market in deregulated states. A breakdown, a 24-month rate-volatility chart, and a real case study where one industrial client cut their rate from $0.26 to $0.09/kWh, an estimated ~$675,000 a year saved.

deregulation · 8 min